Logic as a tool a guide to formal logical reasoning ανά Goranko, Valentin

Modal logic for philosophers ανά Garson, James W. 1943-

Elements of logic an integrative approach ανά Maboloc, Christopher Ryan B., Pascua, Edgar B. II

Teaching and learning logic (critical thinking) ανά Joven, Jose R.

Logic demystified ανά Boutelle, Anthony

Selected chpaters for the power of logic ανά Howard-Snyder, Frances

Logic towards critical thinking and reasoning ανά Ardales, Venancio B.

Logic towards critical thinking and reasoning ανά Ardales, Venancio B.

How to think logically ανά Seay, Gary, Nuccetelli, Susana

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Introduction to logic ανά Copi, Irving M.