The branch of symbolic logic that deals with propositions containing predicates, names, and quantifiers.
- ‘This language, the language of the predicate calculus, is what Russell called the perfect language.’
- ‘What you are saying is that, strictly speaking, a proof is valid if it is written out in predicate calculus and has the right structure according to the rules of logic.’
- ‘In this way, Bradley had a significant, if indirect, impact on predicate calculus.’
- ‘In the classical predicate calculus only conjunction, negation and the universal quantifier are needed.’
- ‘But a tough exam question would be: translate into predicate calculus, and explain how to derive the meaning from the form.’
We take a look at several popular, though confusing, punctuation marks.