TY  - BOOK
AU  - Purtill,Richard L.
TI  - A logical introduction to philosophy
SN  - 0135399173
PY  - 1989///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Philosophy
KW  - Introductions
KW  - Logic
N1  - Includes index
ER  -