A rule of inference of predicate calculus <189> used to deduce a new formula from two old ones. It has been used extensively in automatic theorem proving, because it is an efficient alternative to traditional rules of Inference in mathematical logic.
KeywordsTheorem Prove Atomic Formula Machine System Procedure Call Local Procedure
- [Chang and Lee 73]Chang, C. and Lee, R. C. Symbolic Logic and Mechanical Theorem Proving. Academic Press, 1973.Google Scholar