Proofs by cont. for discussion

Posted on August 22, 2012 by tkemp
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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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all files in this media folder as a single zip file.
Folder content licensed by M.I.T. Department of Mathematics under the license:
CC BY-NC-SA (Attribution-NonCommercial-ShareAlike)