Propositional calculus


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Définition

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calcul propositionnel


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Propositional calculus

Propositional calculus (also called propositional logic, statement logic, sentential calculus, sentential logic, or sometimes zeroth-order logic) is the branch of logic concerned with the study of propositions (whether they are true or false) that are formed by other propositions with the use of logical connectives. First-order logic extends propositional logic by allowing a proposition to be expressed as constructs such as "for every", "exists", "equality" and "membership", whereas in proposition logic, propositions are thought of as atoms.


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