Proof theory - Textbooks.

Mathematical proofs :a transition to advanced mathematics / by: (書目-語言資料,印刷品)

Introduction to mathematical proofs :a transition / by: (書目-語言資料,印刷品)

Advances in proof theory by: (書目-電子資源)

An introduction to proof through real analysis by: (書目-電子資源)

Mathematical Logic and Foundations.

Logic.

Mathematical analysis

Numbers, Real

Mathematics.

Functions of real variables

Proof theory

Logic, Symbolic and mathematical