## Proof Calculus

In mathematical logic, a **proof calculus** corresponds to a family of formal systems that use a common style of formal inference for its inference rules. The specific inference rules of a member of such a family characterize the theory of a logic.

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### Some articles on proof calculus:

**Proof Calculus**- Examples of Proof Calculi

... The most widely known

**proof**calculi are those classical calculi that are still in widespread use The class of Hilbert systems, of which the most famous example is the 1928 Hilbert-Ackermann system of ... Many other

**proof**calculi were, or might have been, seminal, but are not widely used today ... Aristotle's syllogistic

**calculus**, presented in the Organon, readily admits formalisation ...

### Famous quotes containing the words calculus and/or proof:

“I try to make a rough music, a dance of the mind, a *calculus* of the emotions, a driving beat of praise out of the pain and mystery that surround me and become me. My poems are meant to make your mind get up and shout.”

—Judith Johnson Sherwin (b. 1936)

“There are some persons in this world, who, unable to give better *proof* of being wise, take a strange delight in showing what they think they have sagaciously read in mankind by uncharitable suspicions of them.”

—Herman Melville (1819–1891)