Contradiction
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What links here
Classical logic
Glossary of mathematical symbols
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Disjunctive normal form
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Conjunctive normal form
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De Morgan's laws
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Rationality
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Deductive reasoning
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Dialectic
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Axiom schema of specification
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Vacuous truth
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Natural deduction
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Fuzzy logic
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Gottlob Frege
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Russell's paradox
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Simpson's paradox
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Speech act
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Type theory
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Many-valued logic
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Vagueness
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Set theory
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Principle of bivalence
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Constructivism (philosophy of mathematics)
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Modus ponens
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Modus tollens
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Lambda calculus
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Propositional logic
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Logical conjunction
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Logical connective
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Law of excluded middle
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Kurt Gödel
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History of science
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Euclidean geometry
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Logical disjunction
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Disjunctive syllogism
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Currying
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Continuum hypothesis
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Bertrand Russell
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Proposition
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