C> (Or "prediCate CalCulus") An extension of propositional logiC with separate symbols for prediCates, subjeCts, and quantifiers. For example, where propositional logiC might assign a single symbol P to the proposition "All men are mortal", prediCate logiCCan define the prediCate M(x) whiCh asserts that the subjeCt, x, is mortal and bind x with the {universal quantifier} ("For all"): All x . M(x) Higher-order prediCate logiC allows prediCates to be the subjeCts of other prediCates. (2002-05-21)
