**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

**Logical conjunction** — ∧ redirects here. For exterior product, see exterior algebra. Venn diagram of … Wikipedia

**Logical implication** — In logic and mathematics, logical implication is a logical relation that holds between a set T of formulae and a formula B when every model (or interpretation or valuation) of T is also a model of B . In symbols,# T models B, # T Rightarrow B # T … Wikipedia

**Notation** — The term notation can refer to: Contents 1 Written communication 1.1 Biology and Medicine 1.2 Chemistry 1.3 Dance and movement … Wikipedia

**Logical symbols** — Reading logical symbolism frightens many people more than it should. The very term symbolic logic sounds terrifying, and the presence of even a small amount of symbolism may deter many readers from otherwise perfectly intelligible texts. The… … Philosophy dictionary

**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

**Logical quality** — In many philosophies of logic statements are categorized into different logical qualities based on how they go about saying what they say. Doctrines of logical quality are an attempt to answer the question: “How many qualitatively different ways… … Wikipedia

**Polish notation** — Logical notation devised by the Polish logician Jan Łukasiewicz (1878–1956) which dispenses with the need for parentheses indicating the scope of each logical connective. The propositional functors are N for ¬ (negation); K for & (conjunction); C … Philosophy dictionary

**Peano-Russell notation** — was Bertrand Russell s application of Peano s logical notation to the logical notions of Frege and was used in the writing of Principia Mathematica in collaboration with Alfred North Whitehead: [Russell, p. 4] The notation adopted in the present… … Wikipedia

**Set-builder notation** — In set theory and its applications to logic, mathematics, and computer science, set builder notation (sometimes simply set notation ) is a mathematical notation for describing a set by stating the properties that its members must satisfy. Forming … Wikipedia