Mathematical Communication is a developing collection of resources for engaging students in writing and speaking about mathematics, whether for the purpose of learning mathematics or of learning to communicate as mathematicians.

Proofs by cont. for discussion

These three samples of proofs by contradiction are used to illustrate when contradiction should (and shouldn’t) be used as a proof strategy. Students identify which proofs shouldn’t use contradiction and suggest revisions of those proofs. Developed by Todd Kemp and Joel B. Lewis.

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License: CC BY-NC-SA Page content licensed by M.I.T. Department of Mathematics under the license:
CC BY-NC-SA (Attribution-NonCommercial-ShareAlike)