Re:Open Logic Project: An Open-Source, Collaborative Logic Text
by maroonblazer on Sunday August 12, 2018 @11:19AM
(#17744702)
To clarify:
Velleman wrote "How to Prove It": https://www.amazon.com/How-Prove-Structured-Approach-2nd/dp/...
Polya wrote "How to Solve It": https://www.amazon.com/How-Solve-Mathematical-Princeton-Scie...
EDIT: s/"How to Solve It"/"How to Prove It".