Foundations of Higher Mathematics cover
Foundations of Higher Mathematics
by Peter Fletcher, C. Wayne Patty
ISBN: 053495166X
Buy on Amazon
Found in 1 comment on Hacker News
trentmb · 2014-02-12 · Original thread
BOOK OF PROOF: http://www.people.vcu.edu/~rhammack/BookOfProof/index.html

Foundations of Higher Mathematics: http://www.amazon.com/Foundations-Higher-Mathematics-Peter-F...

How to Solve It: http://en.wikipedia.org/wiki/How_to_Solve_It

EDIT:

Mathematical Reasoning: Writing and Proof: https://sites.google.com/site/mathematicalreasoning3ed/