Calculational Logic


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Logic is the glue that binds together methods of reasoning, in all domains.
---David Gries and Fred B. Schneider

Calculational logic is a propositional and predicate logic that is designed to be used --as opposed to logician's logics, which are designed to make the study of logic more effective. Proofs in the logic resemble proofs found in many fields of mathematics, such as linear algebra, modern algebra, and even calculus. At the core, a calculational-logic proof is simply a sequence of subsitutions of equals for equals.

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