TY  - BOOK
AU  - Gimbel,Steven
TI  - An introduction to formal logic : course guidebook: course guidebook 
PY  - 2016///
CY  - Chantilly, Virginia
PB  - The Great Courses
KW  - Logic
KW  - sears
KW  - Reasoning
UR  - https://drive.google.com/file/d/1TF_S-QFptDzORJC1-pWaYkR7RuQ5siM3/view?usp=share_link
ER  -