In mathematical logic, a proof calculus or a proof system is built to prove statements. == Overview == A proof system includes the components: Formal language: The set L of formulas admitted by the system, for example, propositional logic or first-order logic.
In mathematical logic, a proof calculus or a proof system is built to prove statements. == Overview == A proof system includes the components: Formal language: The set L of formulas admitted by the system, for example, propositional logic or first-order logic.
Source: Wikipedia "Proof calculus" · CC BY-SA 4.0
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