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References
- ↑ Bertrand Russell, in The Principles of Mathematics Volume 1 (pg 219), refers to "the principle of abstraction".
- ↑ Robert B. Ash. A Primer of Abstract Mathematics. Cambridge University Press, Jan 1, 1998
- ↑ The New American Encyclopedic Dictionary. Edited by Edward Thomas Roe, Le Roy Hooker, Thomas W. Handford. Pg 34
- ↑ Donaldson, Neil. Introduction to Group Theory. p. 1.
- ↑ Proclus' Summary Archived 2015-09-23 at the Wayback Machine
- ↑ Torretti, Roberto (2019), "Nineteenth Century Geometry", in Zalta, Edward N. (ed.), The Stanford Encyclopedia of Philosophy (Fall 2019 ed.), Metaphysics Research Lab, Stanford University, retrieved 2019-10-22
- ↑ "... introducing pupils to abstract mathematics is not an easy task and requires a long-term effort that must take into account the variety of the contexts in which mathematics is used", P.L. Ferrari, Abstraction in Mathematics, Phil. Trans. R. Soc. Lond. B 29 July 2003 vol. 358 no. 1435 1225-1230
- ↑ "Quotations by Russell". MacTutor History of Mathematics archive . Archived from the original on 2002-01-17. Retrieved 2019-10-22.
