**logical calculus** — noun A formal system … Wiktionary

**logical calculi** — logical calculus … Philosophy dictionary

**Logical connective** — This article is about connectives in classical logic. For connectors in natural languages, see discourse connective. For connectives and operators in other logics, see logical constant. For other logical symbols, see table of logic symbols. In… … Wikipedia

**Calculus ratiocinator** — The Calculus Ratiocinator is a theoretical universal logical calculation framework, a concept described in the writings of Gottfried Leibniz, usually paired with his more frequently mentioned characteristica universalis , a universal conceptual… … Wikipedia

**Logical positivism** — (also known as logical empiricism, scientific philosophy, and neo positivism) is a philosophy that combines empiricism the idea that observational evidence is indispensable for knowledge with a version of rationalism incorporating mathematical… … Wikipedia

**Logical truth** — is one of the most fundamental concepts in logic, and there are different theories on its nature. A logical truth is a statement which is true and remains true under all reinterpretations of its components other than its logical constants. It is… … Wikipedia

**Calculus (disambiguation)** — Calculus is Latin for pebble, and has a number of meanings in English: In mathematics and computer science Calculus , in its most general sense, is any method or system of calculation. To modern theoreticians the answer to the question what is a… … Wikipedia

**Calculus of constructions** — The calculus of constructions (CoC) is a higher order typed lambda calculus, initially developed by Thierry Coquand, where types are first class values. It is thus possible, within the CoC, to define functions from, say, integers to types, types… … Wikipedia

**Logical equality** — For the corresponding concept in combinational logic, see XNOR gate. XNOR Logic Gate Symbol Logical equality is a logical operator that corresponds to equality in Boolean algebra and to the logical biconditional in propositional calculus. It… … Wikipedia

**Logical disjunction** — Disjunction redirects here. For separation of chromosomes, see Meiosis. For disjunctions in distribution, see Disjunct distribution. Venn diagram of the logical disjunction of A and B … Wikipedia