]> 2026-08-07T19:00:15+00:00 Philosophical logic 14 en 2007-10-14T14:48:06Z 2454388.1167361 Philosophical logic Natural deduction 0 en Natural deduction Quantification 0 en Quantification Inquiry 0 en Inquiry Entitative graph 0 en Entitative graph Philosophy of logic 0 en Philosophy of logic Charles Sanders Peirce bibliography 0 en Peirce, Charles Sanders Existential graph 0 en Existential graph First-order logic 0 en First-order logic Fitch-style calculus 0 en Fitch-style calculus Predicate abstraction 0 en Predicate abstraction Modal logic 0 en Modal logic Informal fallacy 0 en Informal fallacy Association for Symbolic Logic 0 en Association for Symbolic Logic Game semantics 0 en Game semantics Association for Symbolic Logic 0 en Association for Symbolic Logic Entitative graph 0 en Entitative graph Existential graph 0 en Existential graph First-order logic 0 en First-order logic Fitch-style calculus 0 en Fitch-style calculus Game semantics 0 en Game semantics Informal fallacy 0 en Informal fallacy Inquiry 0 en Inquiry Modal logic 0 en Modal logic Natural deduction 0 en Natural deduction Charles Sanders Peirce bibliography 0 en Peirce, Charles Sanders Philosophy of logic 0 en Philosophy of logic Predicate abstraction 0 en Predicate abstraction Quantification 0 en Quantification INST 102 en INST