intuitionistic
101Empty set — ∅ redirects here. For similar looking symbols, see Ø (disambiguation). The empty set is the set containing no elements. In mathematics, and more specifically set theory, the empty set is the unique set having no elements; its size or cardinality… …
102Entscheidungsproblem — In mathematics, the Entscheidungsproblem (pronounced [ɛntˈʃaɪdʊŋspʁoˌbleːm], German for decision problem ) is a challenge posed by David Hilbert in 1928. The Entscheidungsproblem asks for an algorithm that will take as input a description of a… …
103Empiricism — John Locke, a leading philosopher of British empiricism This article is about the field of philosophy. For the album by Borknagar, see Empiricism (album). Empiricism is a theory of knowledge that asserts that knowledge comes only or primarily via …
104Finite set — In mathematics, a set is called finite if there is a bijection between the set and some set of the form {1, 2, ..., n} where n is a natural number. (The value n = 0 is allowed; that is, the empty set is finite.) An infinite set is a set which is… …
105Ludwig Wittgenstein — Wittgenstein redirects here. For other uses, see Wittgenstein (disambiguation). Ludwig Wittgenstein Photographed by Ben Richards Swansea, Wales, 1947 Born 26 April 1889 …
106Logical 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… …
107Logical 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… …
108Model theory — This article is about the mathematical discipline. For the informal notion in other parts of mathematics and science, see Mathematical model. In mathematics, model theory is the study of (classes of) mathematical structures (e.g. groups, fields,… …
109Class (set theory) — In set theory and its applications throughout mathematics, a class is a collection of sets (or sometimes other mathematical objects) which can be unambiguously defined by a property that all its members share. The precise definition of class… …
110Nominalism — is a metaphysical view in philosophy according to which general or abstract terms and predicates exist, while universals or abstract objects, which are sometimes thought to correspond to these terms, do not exist.[1] Thus, there are at least two… …
