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

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

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

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

Logic demystified af Boutelle, Anthony

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

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

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

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

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Introduction to logic af Copi, Irving M.