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Eliminating counterexamples: A Grade 8 student's learning trajectory for contrapositive proving
Journal article

Eliminating counterexamples: A Grade 8 student's learning trajectory for contrapositive proving

David A Yopp
Journal of Mathematical Behavior, Vol.45.0, pp.150.0-166.0
2017
url
http://dx.doi.org/10.1016/j.jmathb.2017.01.003 View

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