Mathematical Sciences Classification System
03Bxx - General logic
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                            03B05Classical propositional logic
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                            03B10Classical first-order logic
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                            03B15Higher-order logic and type theory
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                            03B20Subsystems of classical logic (including intuitionistic logic)
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                            03B22Abstract deductive systems
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                            03B25
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                            03B30Foundations of classical theories (including reverse mathematics) [See also 03F35]
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                            03B35Mechanization of proofs and logical operations [See also 68T15]
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                            03B40Combinatory logic and lambda-calculus [See also 68N18]
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                            03B42Logics of knowledge and belief (including belief change)
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                            03B44Temporal logic
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                            03B45
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                            03B47Substructural logics (including relevance, entailment, linear logic, Lambek calculus, BCK and BCI logics) {For proof-theoretic aspects see 03F52}
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                            03B48Probability and inductive logic [See also 60A05]
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                            03B50Many-valued logic
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                            03B52
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                            03B53Paraconsistent logics
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                            03B55Intermediate logics
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                            03B60Other nonclassical logic
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                            03B62Combined logics
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                            03B65
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                            03B70Logic in computer science [See also 68-XX]
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                            03B80Other applications of logic
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                            03B99None of the above, but in this section