Transition to Advanced Mathematics: A Survey Course by William Johnston: New

A Transition to Proof (Textbooks in Mathematics) - Neil R. Nicholson

A Transition to Proof (Textbooks in Mathematics)

A Transition to Advanced Mathematics by Douglas Smith: New

Transition to Proof : An Introduction to Advanced Mathematics, Paperback by N...

Mathematical Proofs: A Transition to Advanced Mathematics by Chartrand

Introduction to Mathematical Proofs : A Transition to Advanced Mathematics, H...