Category Archives: Logic

• A.N. Prior’s Logic

• Abelard: Logic

• Argument

• Aristotle: Logic

• Arthur Schopenhauer: Logic and Dialectic

• Avicenna (Ibn Sina): Logic

• Bolzano, Bernard: Mathematical Knowledge

• Bradley, F. H.: Logic

• Carnap: Modal Logic

• Classification

• Compactness

• Compactness Theorem

• Critical Thinking

• Deductive and Inductive Arguments

• Dialogical Logic

• Duality in Logic and Language

• Dynamic Epistemic Logic

• Epsilon Calculi

• Fallacies

• Fine, Kit

• Frege, Gottlob

• Haskell Brooks Curry

• Immanuel Kant: Logic

• Infinite

• Institution Theory

• Lambda Calculi

• Leibniz: Logic

• Lesniewski: Logic

• Lewis Carroll: Logic

• Liar Paradox

• Lindenbaum, Adolf

• Logical Consequence

• Logical Consequence, Deductive-Theoretic Conceptions of

• Logical Consequence, Model-Theoretic Conceptions

• Logical Paradoxes

• Modal Logic: Contemporary View

• Natural Deduction

• Paraconsistent Logic

• Peirce’s Logic

• Port Royal Logic

• Propositional Logic

• Quantum Logic

• Reductio ad Absurdum

• Russell-Myhill Paradox

• Russell: Logic

• Russell’s Paradox

• Semantic Theory of Truth

• Square of Opposition

• The Sheffer Stroke

• Validity and Soundness