ground expression
Sign in to savelogical expression whose terms do not contain any variables
Connections
first-order logic
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semantic theory of truth
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mathematical logic
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formal language
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formal system
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predicate
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recursive set
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well-formed formula
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semantics of logic
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signature
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structure
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diagram
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Herbrand structure
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logic
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International Standard Book Number
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set theory
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function
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set
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axiom
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theorem
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