The transmission of the Greek Classics to Latin Western Europe during the Middle Ages was a key factor in the development of intellectual life in Western Europe. [1] Interest in Greek texts and their availability was scarce in the Latin West during the Early Middle Ages, but as traffic to the East increased, so did Western scholarship.
Classical Greek philosophy consisted of various original works ranging from those from Ancient Greece (e.g. Aristotle) to those Greco-Roman scholars in the classical Roman Empire (e.g. Ptolemy). Though these works were originally written in Greek, for centuries the language of scholarship in the Mediterranean region, many were translated into Syriac, Arabic, and Persian during the Middle Ages and the original Greek versions were often unknown to the West. With increasing Western presence in the East due to the Crusades, and the gradual collapse of the Byzantine Empire during the Late Middle Ages, many Byzantine Greek scholars fled to Western Europe, bringing with them many original Greek manuscripts, and providing impetus for Greek-language education in the West and further translation efforts of Greek scholarship into Latin. [2]
The line between Greek scholarship and Arab scholarship in Western Europe was very blurred during the Middle Ages and the Early Modern Period. Sometimes the concept of the transmission of Greek Classics is often used to refer to the collective knowledge that was obtained from the Arab and Byzantine Empires, regardless of where the knowledge actually originated. However, being once and even twice removed from the original Greek, these Arabic versions were later supplanted by improved, direct translations by Moerbeke and others in the 13th century and after.
As knowledge of Greek declined in the West with the fall of the Western Roman Empire, so did knowledge of the Greek texts, many of which had remained without a Latin translation. [3] The fragile nature of papyrus as a writing medium meant that older texts not copied onto expensive parchment would eventually crumble and be lost.
After the Fourth Crusade (1202–1204) and the Sack of Constantinople (1204), scholars such as William of Moerbeke gained access to the original Greek texts of scientists and philosophers, including Aristotle, Archimedes, Hero of Alexandria and Proclus, that had been preserved in the Byzantine (Eastern Roman) Empire, and translated them directly into Latin. [4]
The final decline and collapse of the Byzantine empire in the fifteenth century heightened contact between its scholars and those of the west. Translation into Latin of the full range of Greek classics ensued, including the historians, poets, playwrights and non-Aristotelian philosophers. Manuel Chrysoloras (c. 1355–1415) translated portions of Homer and Plato. Guarino da Verona (1370–1460) translated Strabo and Plutarch. Poggio Bracciolini (1380–1459) translated Xenophon, Diodorus, and Lucian. Francesco Filelfo (1398–1481) translated portions of Plutarch, Xenophon and Lysias. Lorenzo Valla (1407–1457) translated Thucydides and Herodotus. Marsilio Ficino (1433–1499) and his Platonic Academy translated Plato. Poliziano (1454–1494) translated Herodian and portions of Epictetus and Plutarch. Regiomontanus and George of Trebizond translated Ptolemy's Almagest. [5] Important patrons were Basilios Bessarion (1403–1472) and Pope Nicholas V (1397–1455).
Armenia harbored libraries of Greek classical literature. An Armenian codex of Aristotle (†Δ) is one of the main sources in the text-critical apparatus of today's Greek text. [6]
Syriac plays an important role in modern textual criticism even today. The Oxford Classical issue of the Greek text of Aristotle's Organon uses the sigla Ρ, Ι, and Γ, which are texts dating from Christian possessions from the 6th to 8th century. [6]
Syriac translations played a major role for the later reception into Arabic. These translators from Syriac were mostly Nestorian and Jacobite Christians, working in the two hundred years following the establishment of the Abbasid caliphate. The most important translator of this group was the Syriac-speaking Christian Hunayn Ibn Ishaq (809-873), known to the Latins as Joannitius.
Classical Greek learning was firmly found in every metropolis of the Roman empire, including in Rome itself.
In the 4th century, the Roman grammarian Marius Victorinus translated two of Aristotle's books, about logic, into Latin: the Categories and On Interpretation ( De Interpretatione ). [7] A little over a century later, most of Aristotle's logical works, except perhaps for the Posterior Analytics , had been translated by Boethius, c. 510–512 [7] (see: Corpus Aristotelicum). However, only Boethius's translations of the Categories and On Interpretation had entered into general circulation before the 12th century. All in all, only a few major works of Aristotle were never translated into Arabic. [8] Of these, the fate of Politics in particular remains uncertain. [9]
The rest of Aristotle's books were eventually translated into Latin, but over 600 years later, from about the middle of the 12th century. First, the rest of the logical works were finished, [1] by using the translations of Boethius as the basis. [10] Then came the Physics , followed by the Metaphysics (12th century), and Averroes' Commentary on Aristotle's Metaphysics (13th century), [11] so that all works were translated by the mid-13th century. [7]
A text like On the Soul , for instance, was unavailable in Latin in Christian Europe before the middle of the twelfth century. [12] The first Latin translation is due to James of Venice (12th century), and has always been considered as the translatio vetus (ancient translation). [13] The second Latin translation (translatio nova, new translation) was made from the Arabic translation of the text around 1230, and it was accompanied by Averroes's commentary; the translator is generally thought to be Michael Scot. James's translatio vetus was then revised by William of Moerbeke in 1266–7, and became known as the "recensio nova" (new recension), which was the most widely read version. [14] On the Soul ended up becoming a component of the core curriculum of philosophical study in most medieval universities, giving birth to a very rich tradition of commentaries, especially c. 1260–1360. [15]
Although Plato had been Aristotle's teacher, most of Plato's writings were not translated into Latin until over 200 years after Aristotle. [7] In the Middle Ages, the only book of Plato in general circulation was the first part of the dialogue Timaeus (to 53c), as a translation, with commentary, by Calcidius (or Chalcidius). [7] The Timaeus describes Plato's cosmology, as his account of the origin of the universe. In the 12th century Henry Aristippus of Catania made translations of the Meno and the Phaedo , but those books were in limited circulation. [7] Some other translations of Plato's books disappeared during the Middle Ages. Finally, about 200 years after the rediscovery of Aristotle, in the wider Renaissance, Marsilio Ficino (1433–99) translated and commented on Plato's complete works. [7]
In Rome, Boethius propagated works of Greek classical learning. Boethius intended to pass on the great Greco-Roman culture to future generations by writing manuals on music and astronomy, geometry, and arithmetic. [16]
Several of Boethius' writings, which were largely influential during the Middle Ages, drew from the thinking of Porphyry and Iamblichus. [17] Boethius wrote a commentary on the Isagoge by Porphyry, [18] which highlighted the existence of the problem of universals: whether these concepts are subsistent entities which would exist whether anyone thought of them, or whether they only exist as ideas. This topic concerning the ontological nature of universal ideas was one of the most vocal controversies in medieval philosophy.
Besides these advanced philosophical works, Boethius is also reported to have translated important Greek texts for the topics of the quadrivium. His loose translation of Nicomachus's treatise on arithmetic (De institutione arithmetica libri duo) and his textbook on music (De institutione musica Libri quinque, unfinished) contributed to medieval education. [18] De arithmetica, begins with modular arithmetic, such as even and odd, evenly even, evenly odd, and oddly even. He then turns to unpredicted complexity by categorizing numbers and parts of numbers. [19]
His translations of Euclid on geometry and Ptolemy on astronomy, [20] if they were completed, no longer survive. Boethius made Latin translations of Aristotle's De interpretation and Categories with commentaries. These were widely used during the Middle Ages.
In the Western Provinces (what today is considered Western Europe's heartland), the collapsing Roman empire lost many Greek manuscripts which were not preserved by monasteries. However, due to the expense and dearth of writing materials, monastic scribes could recycle old parchments. The parchments could be reused after scraping off the ink of the old texts, and writing new books on the previously used parchment, creating what is called a palimpsest. [21] Fortunately for modern scholars, the old writing can still be retrieved, and many extremely valuable works, which would have otherwise been lost, have been recovered in this way. As the language of Roman aristocrats and scholars, Greek died off along with the Roman Empire in the West, and by 500 CE, almost no one in Western Europe was able to read (or translate) Greek texts, and with the rise of the Islamic Empire, the west was further cut off from the language. After a while, only a few monasteries in the west had Greek works, and even fewer of them copied these works (mainly the Irish). [22] Some Irish monks had been taught by Greek and Latin missionaries who probably had brought Greek texts with them. [23]
William of Moerbeke was one of the most prolific and influential translators of Greek philosophical texts in the middle half of the thirteenth century. Very little is known of William's life. [24] He was born probably in 1215 in the village of Moerbeke, now in Belgium, and probably entered the Dominican priory in Leuven as a young man. Most of his surviving work was done during 1259–72.
William's contribution to the "recovery" of Aristotle in the 13th century undoubtedly helped in forming a clearer picture of Greek philosophy, and particularly of Aristotle, than was given by the Arabic versions on which they had previously relied, and which had distorted or obscured the relation between Platonic and Aristotelian systems of philosophy. [25] William's translation of Proclus was also important, demonstrating that the influential book Liber de Causis , was not a genuine work of Aristotle, but rather derived from Proclus' Elementatio Theologica. [26]
According to a tradition originating in the later Middle Ages, William knew Thomas Aquinas and was commissioned by him to make some of the translations. But there is no contemporary record of the friendship or the commissions. If they did meet, it is most likely during the three or four years Aquinas was working at Orvieto, i.e. not before the election of Pope Urban IV in August 1261, who invited Aquinas to serve at the Papal court, and not after 1265, when Aquinas left for Rome. His translation of De motu animalium is cited by Thomas in Summa Contra Gentiles , probably completed in 1264. [25]
Arabic logicians had inherited Greek ideas after they had invaded and conquered Egypt and the Levant. Their translations and commentaries on these ideas worked their way through the Arab West into Spain and Sicily, which became important centers for this transmission of ideas. [1]
Western Arabic translations of Greek works (found in Iberia and Sicily) originates in the Greek sources preserved by the Byzantines. These transmissions to the Arab West took place in two main stages.
The first period of transmission during 8th and 9th centuries was preceded by a period of conquest, as Arabs took control of previously Hellenized areas such as Egypt and the Levant in the 7th century. [27] At this point they first began to encounter Greek ideas, though from the beginning, many Arabs were hostile to classical learning. [28] Because of this hostility, the religious Caliphs could not support scientific translations. Translators had to seek out wealthy business patrons rather than religious ones. [28] Until Abbasid rule in the 8th century, however, there was little work in translation. Most knowledge of Greek during Umayyad rule was gained from those scholars of Greek who remained from the Byzantine period, rather than through widespread translation and dissemination of texts. A few scholars argue that translation was more widespread than is thought during this period, but theirs remains the minority view. [28]
The main period of translation was during Abbasid rule. The 2nd Abbasid Caliph al-Mansur moved the capital from Damascus to Baghdad. [29] Here he founded a great library, The House of Wisdom, containing Greek Classical texts. Al-Mansur ordered this rich fund of world literature translated into Arabic. Under al-Mansur and by his orders, translations were made from Greek, Syriac, and Persian, the Syriac and Persian books being themselves translations from Greek or Sanskrit. [30]
The 6th-century King of Persia, Anushirvan (Chosroes I) the Just, had introduced many Greek ideas into his kingdom. [31] Aided by this knowledge and juxtaposition of beliefs, the Abbasids considered it valuable to look at Islam with Greek eyes, and to look at the Greeks with Islamic eyes. [28] Abbasid philosophers also pressed the idea that Islam had from the very beginning stressed the gathering of knowledge as important to the religion. These new lines of thought allowed the work of amassing and translating Greek ideas to expand as it never before had. [32]
The Caliph al-Mansur was the patron who did most to attract the Nestorian physicians to the city of Baghdad which he had founded, and he was also a prince who did much to encourage those who set themselves to prepare Arabic translations of Greek, Syriac, and Persian works. Still more important was the patronage given by the Caliph al-Ma'mun, who in A.H. 217 (= A.D. 832) founded a school at Baghdad, suggested no doubt by the Nestorians and Zoroastrian schools already existing, and this he called the Bayt al-Hikma or "House of Wisdom", and this he placed under the guidance of Yahya ibn Masawaih (d. A.H. 243 = A.D. 857), who was an author both in Syriac and Arabic, and learned also in the use of Greek. His medical treatise on "Fevers" was long in repute and was afterwards translated into Latin and into Hebrew.
The most important work of the academy however was done by Yahya's pupils and successors, especially Abu Zayd Hunayn ibn Ishaq al-Ibadi (d. 263 A.H. = A.D. 876), the Nestorian physician to whom we have already referred as translating into Syriac the chief medical authorities as well as parts of Aristotle's Organon. After studying at Baghdad under Yahya he visited Alexandria and returned, not only with the training given at what was then the first medical school, but with a good knowledge of Greek which he employed in making translations in Syriac and Arabic. [33]
Later the Caliph al-Mamun also sent emissaries to the Byzantines to gather Greek manuscripts for his new university, making it a center for Greek translation work in the Arab world. [31] At first only practical works, such as those on medicine and technology were sought after, but eventually works on philosophy became popular. [34] [35]
Most scholars agree that during this period rhetoric, poetry, histories, and dramas were not translated into Arabic, since they were viewed as serving political ends which were not to be sought after in Arab states. Instead, philosophical and scientific works were almost the entire focus of translation. This has been disputed by a minority of scholars, however, who argue that stories such as the Arabian Nights carry clear parallels to Greek literature—evidence that many Arabs were familiar with Greek humanities more than is thought. [36]
Al-Kindi (Alkindus), a famous logician and prominent figure in the House of Wisdom, is unanimously hailed as the "father of Islamic or Arabic philosophy". His synthesis of Greek philosophy with Islamic beliefs met with much opposition, and at one point he was flogged by those opposed to his ideas. He argued that one could accept the Koran and other sacred texts, and work from that point to determine truth. Whenever he ran into an impasse, he would abandon the Greek ideas in favor of the Islamic faith. [31] [37] He is considered to be largely responsible for pulling the Arab world out of a mystic and theological way of thinking into a more rationalistic mode. [37] Previous to al-Kindi, for example, on the question of how the immaterial God of the Koran could sit on a throne in the same book, one theologist had said, “The sitting is known, its modality is unknown. Belief in it is a necessity, and raising questions regarding it is a heresy.” Few of al-Kindi's writings have survived, making it difficult to judge his work directly, but it is clear from what exists that he carefully worked to present his ideas in a way acceptable to other Muslims. [37]
After Al-Kindi, several philosophers argued more radical views, some of whom even rejected revelation, most notably the Persian logician, Al-Razi or “Rhazes.” Considered one of the most original thinkers among the Persian philosophers[ by whom? ], he challenged both Islamic and Greek ideas in a rationalist manner. Also, where Al-Kindi had focused on Aristotle, Al-Rhazi focused on Plato, introducing his ideas as a contrast. [37]
After Al-Kindi, Al-Farabi (Alpharabius) introduced Neoplatonism through his knowledge of the Hellenistic culture of Alexandria. Unlike Al-Kindi or Al-Rhazi, Al-Farabi was hesitant to express his own feelings on issues of religion and philosophy, choosing rather to speak only through the words of the various philosophies he came across. [37]
Decades after Al-Farabi, Ibn Sina (Avicenna) compiled the ideas of many Muslim philosophers of the previous centuries and established a new school which is known as Avicennism. [31] [37] After this period, Greek philosophy went into a decline in the Islamic world. Theologians such as Al-Ghazali argued that many realms of logic only worked in theory, not in reality. [37] His ideas would later influence Western European religious ideas. [31] The Andalusian philosopher Ibn Rushd (Averroes) refuted Al-Ghazali's The Incoherence of the Philosophers with his treatise The Incoherence of the Incoherence . His works led to the philosophical school of Averroism.
By 1200, when philosophy was again revived in the Islamic world, Al-Kindi and Al-Farabi were no longer remembered, while Ibn Sina's compilation work still was. [38] Ibn Sina, otherwise known as Avicenna, would later heavily influence European philosophical, theological and scientific thought, becoming known as “the most famous scientist of Islam” to many Western historians. [31]
While Greek ideas gradually permeated the Islamic world, Muslims conquests extended to the European continent. Spain was conquered by the Arabs around 700 AD, even reaching as far as Poitiers, France by 732 (Battle of Tours). By 902 Sicily was conquered. With the aid of Greek and other ideas, Spain in particular quickly became the most heavily populated and thriving area in Europe. [38] One of the rulers of Muslim Spain, Al-Hakam II, made an effort to gather books from all over the Arab world, creating a library which would later become a center for translation into Latin. [39]
As books were gathered, so were many Arab scholars who had studied Greek ideas in the east. For example, Muhammud ibn 'Abdun and 'Abdu'l-Rahman ibn Ismail came to Spain and introduced many ideas about medicine as well as several of the works of Aristotle and Euclid. Ibn Bajjah (known as "Avempace") and Ibn Rushd (known as “Averroes”) were among the other famous philosophers of Spain who furthered the expansion of Greek ideas in medicine and philosophy. [40]
Prior to Averroes, many Arab philosophers had confused Aristotle with Plotinus, a Hellenized Egyptian who founded Neoplatonism and had mixed Aristotle's ideas with Plato's. Averroes rediscovered the “true” Aristotle by translating key texts reintroducing him to Arab Spain. He also challenged Al-Ghazali's largely anti-Greek philosophies and offered some of the best reconciliation of Islam and philosophy of the time. [41] Key to his arguments was the idea that although there was only one truth, that truth could be expressed in many ways, including both philosophy and religion. He even used the Qur'an to back up his arguments in favor of Greek philosophy and logic, especially the passage: “It is He, [O Muhammad] who has revealed the Book to you...some of its verses are unambiguous...and the others are ambiguous...only God and those confirmed in knowledge know its interpretation.” Averroes argued that “those confirmed in knowledge” were philosophers. [41]
The Scholastic philosophers and theologians of the Middle Ages such as Aquinas later called Averroes “The Commentator,” and Michael the Scot translated several of Averroes' works within fifty years of the Arab's death. However, Averroes' reception in Western Europe contrasted with his ultimate rejection by Arabs in Spain. [42] Soon after Averroes, Greek ideas in the Arab world were largely opposed by those who disliked anything not “truly Arab.” [43]
While Muslims were busy translating and adding their own ideas to Greek philosophies, the Latin West was still suspicious of pagan ideas. Leaders of the Orthodox Church in the Byzantine Empire also frowned upon philosophy, and the Empire had just gone through a period of plague, famine, and war. [44] Further west, several key figures in European history who came after Boethius had strengthened the overwhelming shift away from Greek ideas. For centuries, Greek ideas in Europe were all but non-existent, until the Eastern part of the Roman Empire – Byzantium – was sacked during the crusades unlocking numerous Greek texts. [45] Within Western Europe, only a few monasteries had Greek works, and even fewer of them copied these works. [22]
There was a brief period of revival, when the Anglo-Saxon monk Alcuin and others reintroduced some Greek ideas during the Carolingian Renaissance of the 8th century. [46] After Charlemagne's death, however, intellectual life again fell into decline. [47] By the 12th century, however, scholastic thought was beginning to develop, leading to the rise of universities throughout Europe. [48] These universities gathered what little Greek thought had been preserved over the centuries, including Boethius' commentaries on Aristotle. They also served as places of discussion for new ideas coming from new translations from Arabic throughout Europe. [48]
By the 12th century, European fear of Islam as a military threat had lessened somewhat. Toledo, in Spain, had fallen from Arab hands in 1085, Sicily in 1091, and Jerusalem in 1099. [49] [50] These linguistic borderlands proved fertile ground for translators. These areas had been conquered by Arab, Greek and Latin-speaking peoples over the centuries and contained linguistic abilities from all these cultures. The small and unscholarly population of the Crusader Kingdoms contributed very little to the translation efforts, until the Fourth Crusade took most of the Byzantine Empire. Sicily, still largely Greek-speaking was more productive; it had seen rule under Byzantines, Arabs, and Italians, and many were fluent in Greek, Arabic, and Latin. Sicilians, however, were less influenced by Arabs and instead are noted more for their translations directly from Greek to Latin. [50] Spain, on the other hand, was an ideal place for translation from Arabic to Latin because of a combination of rich Latin and Arab cultures living side by side. [50]
As early as the 10th century, scholars in Andalusia had begun to gather translated texts, and in the latter half of that century began transmitting them to the rest of Europe. [51] After the Reconquista of the 12th century, however, Spain opened even further for Christian scholars, who were now able to work in “friendly” religious territory. [52] As these Europeans encountered Islamic philosophy, their previously held fears turned to admiration, and from Spain came a wealth of Arab knowledge of mathematics and astronomy. [49] Foreigners came to Spain to translate from all over Europe, [52] and Toledo became a center for such travelers, since so many of its citizens wrote daily in both Arabic and Latin-based languages.
Although there was a huge amount of work being accomplished in Spain, there was no central school for translating and no real organized effort, as there had been at times among the Arabs. [52] Translators came from many different backgrounds and translated for many different reasons. For example, non-Christian Jewish scholars participated by translating Arabic works which had already been translated into Hebrew, into Latin and Vulgate languages. [53] [54] Some scholars, however, have suggested that Raymond de Sauvetât the Archbishop of Toledo, seems to have started an organized movement of support for translations, and many scholars who seem to be associated with him in documents may have translated two-by-two, working together. [49]
Whether Raimond actually started a truly central, organized effort at translation, later generalized as the Toledo School of Translators, remains unknown. What is known is that most translations coming out of Spain dealt with either medicine or astronomy. Hugo of Santalla, for example, translated a large selection of Arabic works all dealing with astronomy, as well as tracing the history of astronomic thought through history, underscoring the work of the Greeks, Persians, Hellenists, and Arabs in one large preface to his volume. [55]
By the 13th century, translation had declined in Spain, but it was on the rise in Italy and Sicily, and from there to all of Europe. [54] Adelard of Bath, an Englishman, traveled to Sicily and the Arab world, translating works on astronomy and mathematics, including the first complete translation of Euclid's Elements. [53] [52] [56] Powerful Norman kings gathered men of high knowledge from Italy, and other areas, into their courts, as signs of prestige. [57] Even the Byzantines experienced an Aristotelian revival in the mid-12th century, and gathered men from Italy[ who? ] as well. [57]
Because some of Aristotle's newly translated views discounted the notions of a personal God, immortal soul, or creation, various leaders of the Catholic Church were inclined to censor those views for decades, [1] such as lists of forbidden books in the Condemnations of 1210–1277 at the University of Paris. Meanwhile, Thomas Aquinas (c.1225–1274), at the end of that time period, was able to reconcile the viewpoints of Aristotelianism and Christianity, primarily in his work, Summa Theologica (1265–1274). [1] [7] [11]
Scholasticism was a medieval school of philosophy that employed a critical organic method of philosophical analysis predicated upon the Aristotelian 10 Categories. Christian scholasticism emerged within the monastic schools that translated scholastic Judeo-Islamic philosophies, and "rediscovered" the collected works of Aristotle. Endeavoring to harmonize his metaphysics and its account of a prime mover with the Latin Catholic dogmatic trinitarian theology, these monastic schools became the basis of the earliest European medieval universities, and thus became the bedrock for the development of modern science and philosophy in the Western world. Scholasticism dominated education in Europe from about 1100 to 1700. The rise of scholasticism was closely associated with these schools that flourished in Italy, France, Portugal, Spain and England.
Ibn Rushd, often Latinized as Averroes, was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psychology, mathematics, Islamic jurisprudence and law, and linguistics. The author of more than 100 books and treatises, his philosophical works include numerous commentaries on Aristotle, for which he was known in the Western world as The Commentator and Father of Rationalism.
Islamic philosophy is philosophy that emerges from the Islamic tradition. Two terms traditionally used in the Islamic world are sometimes translated as philosophy—falsafa, which refers to philosophy as well as logic, mathematics, and physics; and Kalam, which refers to a rationalist form of Scholastic Islamic theology which includes the schools of Maturidiyah, Ashaira and Mu'tazila.
Abu Nasr Muhammad al-Farabi, known in the Latin West as Alpharabius, was an early Islamic philosopher and music theorist. He has been designated as "Father of Islamic Neoplatonism", and the "Founder of Islamic Political Philosophy".
Averroism refers to a school of medieval philosophy based on the application of the works of 12th-century Andalusian philosopher Averroes, a commentator on Aristotle, in 13th-century Latin Christian scholasticism.
Abū Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī was an Arab Muslim polymath active as a philosopher, mathematician, physician, and music theorist. Al-Kindi was the first of the Islamic peripatetic philosophers, and is hailed as the "father of Arab philosophy".
Aristotelianism is a philosophical tradition inspired by the work of Aristotle, usually characterized by deductive logic and an analytic inductive method in the study of natural philosophy and metaphysics. It covers the treatment of the social sciences under a system of natural law. It answers why-questions by a scheme of four causes, including purpose or teleology, and emphasizes virtue ethics. Aristotle and his school wrote tractates on physics, biology, metaphysics, logic, ethics, aesthetics, poetry, theatre, music, rhetoric, psychology, linguistics, economics, politics, and government. Any school of thought that takes one of Aristotle's distinctive positions as its starting point can be considered "Aristotelian" in the widest sense. This means that different Aristotelian theories may not have much in common as far as their actual content is concerned besides their shared reference to Aristotle.
William of Moerbeke, O.P., was a prolific medieval translator of philosophical, medical, and scientific texts from Greek into Latin, enabled by the period of Latin rule of the Byzantine Empire. His translations were influential in his day, when few competing translations were available, and are still respected by modern scholars.
The House of Wisdom, also known as the Grand Library of Baghdad, was believed to be a major Abbasid-era public academy and intellectual center in Baghdad. In popular reference, it acted as one of the world's largest public libraries during the Islamic Golden Age, and was founded either as a library for the collections of the fifth Abbasid caliph Harun al-Rashid in the late 8th century or as a private collection of the second Abbasid caliph al-Mansur to house rare books and collections of poetry in the Arabic and Persian language. During the reign of the seventh Abbasid caliph al-Ma'mun, it was turned into a public academy and a library.
The Organon is the standard collection of Aristotle's six works on logical analysis and dialectic. The name Organon was given by Aristotle's followers, the Peripatetics, who maintained against the Stoics that Logic was "an instrument" of Philosophy.
Hunayn ibn Ishaq al-Ibadi (Arabic: أبو زيد حنين بن إسحاق العبادي; ʾAbū Zayd Ḥunayn ibn ʾIsḥāq al-ʿIbādī, known in Latin as Johannitius, was an influential Arab Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic Abbasid era, he worked with a group of translators, among whom were Abū 'Uthmān al-Dimashqi, Ibn Mūsā al-Nawbakhti, and Thābit ibn Qurra, to translate books of philosophy and classical Greek and Persian texts into Arabic and Syriac.
On the Heavens is Aristotle's chief cosmological treatise: written in 350 BC, it contains his astronomical theory and his ideas on the concrete workings of the terrestrial world. It should not be confused with the spurious work On the Universe.
Latin translations of the 12th century were spurred by a major search by European scholars for new learning unavailable in western Europe at the time; their search led them to areas of southern Europe, particularly in central Spain and Sicily, which recently had come under Christian rule following their reconquest in the late 11th century. These areas had been under Muslim rule for a considerable time, and still had substantial Arabic-speaking populations to support their search. The combination of this accumulated knowledge and the substantial numbers of Arabic-speaking scholars there made these areas intellectually attractive, as well as culturally and politically accessible to Latin scholars. A typical story is that of Gerard of Cremona, who is said to have made his way to Toledo, well after its reconquest by Christians in 1085, because he:
arrived at a knowledge of each part of [philosophy] according to the study of the Latins, nevertheless, because of his love for the Almagest, which he did not find at all amongst the Latins, he made his way to Toledo, where seeing an abundance of books in Arabic on every subject, and pitying the poverty he had experienced among the Latins concerning these subjects, out of his desire to translate he thoroughly learnt the Arabic language.
The Theology of Aristotle, also called Theologia Aristotelis is a paraphrase in Arabic of parts of Plotinus' Six Enneads along with Porphyry's commentary. It was traditionally attributed to Aristotle, but as this attribution is certainly untrue it is conventional to describe the author as "Pseudo-Aristotle". It had a significant effect on early Islamic philosophy, due to Islamic interest in Aristotle. Al-Kindi (Alkindus) and Avicenna, for example, were influenced by Plotinus' works as mediated through the Theology and similar works. The translator attempted to integrate Aristotle's ideas with those of Plotinus — while trying to make Plotinus compatible with Christianity and Islam, thus yielding a unique synthesis.
During the High Middle Ages, the Islamic world was at its cultural peak, supplying information and ideas to Europe, via Al-Andalus, Sicily and the Crusader kingdoms in the Levant. These included Latin translations of the Greek Classics and of Arabic texts in astronomy, mathematics, science, and medicine. Translation of Arabic philosophical texts into Latin "led to the transformation of almost all philosophical disciplines in the medieval Latin world", with a particularly strong influence of Muslim philosophers being felt in natural philosophy, psychology and metaphysics. Other contributions included technological and scientific innovations via the Silk Road, including Chinese inventions such as paper, compass and gunpowder.
The Graeco-Arabic translation movement was a large, well-funded, and sustained effort responsible for translating a significant volume of secular Greek texts into Arabic. The translation movement took place in Baghdad from the mid-eighth century to the late tenth century.
Commentaries on Aristotle refers to the great mass of literature produced, especially in the ancient and medieval world, to explain and clarify the works of Aristotle. The pupils of Aristotle were the first to comment on his writings, a tradition which was continued by the Peripatetic school throughout the Hellenistic period and the Roman era. The Neoplatonists of the Late Roman Empire wrote many commentaries on Aristotle, attempting to incorporate him into their philosophy. Although Ancient Greek commentaries are considered the most useful, commentaries continued to be written by the Christian scholars of the Byzantine Empire and by the many Islamic philosophers and Western scholastics who had inherited his texts.
Commentaries on Plato refers to the great mass of literature produced, especially in the ancient and medieval world, to explain and clarify the works of Plato. Many Platonist philosophers in the centuries following Plato sought to clarify and summarise his thoughts, but it was during the Roman era, that the Neoplatonists, in particular, wrote many commentaries on individual dialogues of Plato, many of which survive to the present day.
Medieval philosophy is the philosophy that existed through the Middle Ages, the period roughly extending from the fall of the Western Roman Empire in the 5th century until after the Renaissance in the 13th and 14th centuries. Medieval philosophy, understood as a project of independent philosophical inquiry, began in Baghdad, in the middle of the 8th century, and in France and Germany, in the itinerant court of Charlemagne in Aachen, in the last quarter of the 8th century. It is defined partly by the process of rediscovering the ancient culture developed in Greece and Rome during the Classical period, and partly by the need to address theological problems and to integrate sacred doctrine with secular learning. This is one of the defining characteristics in this time period. Understanding God was the focal point of study of the philosophers at that time, Muslim and Christian alike.
European science in the Middle Ages comprised the study of nature, mathematics and natural philosophy in medieval Europe. Following the fall of the Western Roman Empire and the decline in knowledge of Greek, Christian Western Europe was cut off from an important source of ancient learning. Although a range of Christian clerics and scholars from Isidore and Bede to Jean Buridan and Nicole Oresme maintained the spirit of rational inquiry, Western Europe would see a period of scientific decline during the Early Middle Ages. However, by the time of the High Middle Ages, the region had rallied and was on its way to once more taking the lead in scientific discovery. Scholarship and scientific discoveries of the Late Middle Ages laid the groundwork for the Scientific Revolution of the Early Modern Period.