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{{wiktionary|quantifier}} '''Quantifier''' may refer to: ...

* [[Quantifier (linguistics)]], an indicator of quantity * [[Quantifier (logic)]] ...

#REDIRECT [[Quantifier (logic)]] ...

...ifier''' is a [[Mathematics|mathematical]] term for a [[Quantifier (logic)|quantifier]] of the form "there exists at least ''k'' elements that satisfy property ' In [[first-order logic]] with equality, counting quantifiers can be defined in terms of ordinary q ...

In [[computability theory]] and [[mathematical logic]] the '''Tarski–Kuratowski algorithm''' is a [[non-deterministic algorithm] # If the formula is quantifier-free, it is in <math>\Sigma^0_0</math> and <math>\Pi^0_0</math>. ...

===Mathematics and logic=== ...rictor (linguistics)]], a word or morpheme that specifies the meaning of a quantifier; see [[Polarity item]] ...

...c Boolean algebra''' is an [[algebraic structure]] ''A'' with [[signature (logic)|signature]] :{{math|1=&lang;·, +, ', 0, 1, ∃&rang;}} of [[signature (logic)|type]] &lang;2,2,1,0,0,1&rang;, ...

{{Short description|Logic statement about a formal system proven in a metalanguage}} {{About|[[logic]]al statements|theories about theories|Metatheory}} ...

{{Short description|Symbol with a fixed meaning in logic, such as "and", "or", or "not"}} ...) is also treated as a logical constant in many [[formal system|systems of logic]]. ...

{{Short description|Failure in traditional logic to describe certain intuitively valid inferences}} ...[validity (logic)|valid]] inferences that involves multiple [[Quantifiers (logic)|quantifiers]]. For example, it is intuitively clear that if: ...

In [[Formal semantics (logic)|formal semantics]], '''truth-value semantics''' is an alternative to [[Sem ...) of formulas in which constants replace the variables in the scope of the quantifier. For example, <math>\forall xPx</math> may be read (<math>Pa \and Pb \and P ...

...''proof calculus''' or a '''proof system''' is built to prove [[Statement (logic)|statements]]. ...itted by the system, for example, [[propositional logic]] or [[first-order logic]]. ...

{{about|a concept in mathematical logic|the concept from chemistry|chemical formula}} {{Short description|Mathematical logic concept}} ...

{{Short description|Concept in first-order logic}} [[File:Square of opposition, set diagrams.svg|thumb|In modern logic only the contradictories in the [[square of opposition]] apply, because dom ...

...e, restricted to formulas in [[prenex form]] containing only [[existential quantifier]]s, became more popular. be a formula of first-order logic with <math>F(y_1,\ldots,y_n)</math> quantifier-free, ...

{{Short description|Logical operator in modal logic}} ...s/sum2021/entries/logic-modal/ |access-date=5 February 2024 |chapter=Modal Logic}}</ref> ...

{{Short description|Logical quantifier}} ....com|language=en|access-date=2019-12-15}}</ref> This sort of [[Quantifier (logic)|quantification]] is known as '''uniqueness quantification''' or '''unique ...

...ntifier''', '''finite partially ordered quantifier''' or even '''nonlinear quantifier''', is a partial ordering<ref name="Badia2009">{{cite book|author=Antonio B ...rly ordered such that the value of a variable ''y_m'' bound by a quantifier ''Q_m'' depends on the value of the variables ...

...opositional formula]]s, used in [[propositional logic]] and [[higher-order logic]]s. ...!}} Brilliant Math & Science Wiki|url=https://brilliant.org/wiki/predicate-logic/|access-date=2020-08-20|website=brilliant.org|language=en-us}}</ref> ...

...[Validity (logic)|validity]], and [[logical consequence]]. While [[Syntax (logic)|logical syntax]] concerns the formal rules for constructing well-formed ex ...Algebraic semantics (mathematical logic)|algebraic semantics]] (connecting logic to [[abstract algebra]]), and [[game semantics]] (interpreting logical vali ...