TY - BOOK AU - Noah TI - How to write and do proofs: a self-teachning guide clear & easy to understand SN - 9781643545400 AV - QA9.54 .S65 2001 U1 - 511.36 N66H 23 PY - 2025/// CY - Chanbersburg PB - Lightning Source LLC KW - Proof theory KW - Logic, Symbolic and mathematical ER -