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

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

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

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

Logic demystified di Boutelle, Anthony

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

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

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

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

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Introduction to logic di Copi, Irving M.