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

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

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

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

Logic demystified 由 Boutelle, Anthony

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

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

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

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

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Introduction to logic 由 Copi, Irving M.