fuzzy proposition

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• Fuzzy subalgebra — Fuzzy subalgebras theory is a chapter of fuzzy set theory. It is obtained from an interpretation in a multi valued logic of axioms usually expressing the notion of subalgebra of a given algebraic structure. Indeed, consider a first order language …   Wikipedia

• Proposition — This article is about the term in logic and philosophy. For other uses, see Proposition (disambiguation). In logic and philosophy, the term proposition refers to either (a) the content or meaning of a meaningful declarative sentence or (b) the… …   Wikipedia

• fuzzy sets/fuzzy logic — The variant of set theory and logic that recognizes degrees of applicability of predicates. Thus although classical logic regards ‘this room is hot’ as either true or false, it may better represent the way we actually reason (or the way we ought… …   Philosophy dictionary

• T-norm fuzzy logics — are a family of non classical logics, informally delimited by having a semantics which takes the real unit interval [0, 1] for the system of truth values and functions called t norms for permissible interpretations of conjunction. They are mainly …   Wikipedia

• Many-valued logic — In logic, a many valued logic (also multi or multiple valued logic) is a propositional calculus in which there are more than two truth values. Traditionally, in Aristotle s logical calculus, there were only two possible values (i.e., true and… …   Wikipedia

• Multi-valued logic — Multi valued logics are logical calculi in which there are more than two truth values. Traditionally, logical calculi are two valued that is, there are only two possible truth values (i.e. truth and falsehood) for any proposition to take. An… …   Wikipedia

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• Propositional calculus — In mathematical logic, a propositional calculus or logic (also called sentential calculus or sentential logic) is a formal system in which formulas of a formal language may be interpreted as representing propositions. A system of inference rules… …   Wikipedia

• Natural deduction — In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the natural way of reasoning. This contrasts with the axiomatic systems which instead use… …   Wikipedia

• History of logic — Philosophy ( …   Wikipedia

• Function (mathematics) — f(x) redirects here. For the band, see f(x) (band). Graph of example function, In mathematics, a function associates one quantity, the a …   Wikipedia