TY  - BOOK
AU  - Morash, Ronald P.
TI  -  Bridge to abstract mathematics: mathematical proof and structure s 
SN  - 039435429X
U1  - 511.3  20
PY  - 1987///
CY  - New York
PB  - McGraw-Hill
KW  - Logic, Symbolic and mathematical
KW  - Mathematics
N1  - Includes index
ER  -