TY  - BOOK
AU  - Roberts, Charles E
TI  - Introduction to mathematical proofs : a transition
SN  - 9781420069556
SN  - 200901972
U1  - 511.36 ROB 
PY  - 2009///
CY  - Boca Raton, FL
PB  - CRC Press
KW  - Logic, Symbolic and mathematical - Textbooks
KW  - Proof theory - Textbooks
N1  - Includes bibliographical references and index
ER  -