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- Free_variables_and_bound_variables abstract "In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation that specifies places in an expression where substitution may take place. The idea is related to a placeholder (a symbol that will later be replaced by some literal string), or a wildcard character that stands for an unspecified symbol.In computer programming, the term free variable refers to variables used in a function that are not local variables nor parameters of that function. The term non-local variable is often a synonym in this context.A bound variable is a variable that was previously free, but has been bound to a specific value or set of values. For example, the variable x becomes a bound variable when we write:'For all x, (x + 1)2 = x2 + 2x + 1.'or'There exists x such that x2 = 2.'In either of these propositions, it does not matter logically whether we use x or some other letter. However, it could be confusing to use the same letter again elsewhere in some compound proposition. That is, free variables become bound, and then in a sense retire from being available as stand-in values for other values in the creation of formulae.The term "dummy variable" is also sometimes used for a bound variable (more often in general mathematics than in computer science), but that use creates an ambiguity with the definition of dummy variables in regression analysis.".
- Free_variables_and_bound_variables wikiPageID "147460".
- Free_variables_and_bound_variables wikiPageRevisionID "605773570".
- Free_variables_and_bound_variables hasPhotoCollection Free_variables_and_bound_variables.
- Free_variables_and_bound_variables subject Category:Computer_programming.
- Free_variables_and_bound_variables subject Category:Logic_symbols.
- Free_variables_and_bound_variables subject Category:Mathematical_notation.
- Free_variables_and_bound_variables subject Category:Predicate_logic.
- Free_variables_and_bound_variables comment "In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation that specifies places in an expression where substitution may take place.".
- Free_variables_and_bound_variables label "Free variables and bound variables".
- Free_variables_and_bound_variables label "Freie Variable und gebundene Variable".
- Free_variables_and_bound_variables label "Variabile libera".
- Free_variables_and_bound_variables label "Variable libre".
- Free_variables_and_bound_variables label "Variáveis livres e ligadas".
- Free_variables_and_bound_variables label "Свободная переменная".
- Free_variables_and_bound_variables label "自由变量和约束变量".
- Free_variables_and_bound_variables label "自由変数と束縛変数".
- Free_variables_and_bound_variables sameAs Freie_Variable_und_gebundene_Variable.
- Free_variables_and_bound_variables sameAs Variable_libre.
- Free_variables_and_bound_variables sameAs Variabile_libera.
- Free_variables_and_bound_variables sameAs 自由変数と束縛変数.
- Free_variables_and_bound_variables sameAs Variáveis_livres_e_ligadas.
- Free_variables_and_bound_variables sameAs m.012vwq.
- Free_variables_and_bound_variables sameAs Q935944.
- Free_variables_and_bound_variables sameAs Q935944.
- Free_variables_and_bound_variables wasDerivedFrom Free_variables_and_bound_variables?oldid=605773570.
- Free_variables_and_bound_variables isPrimaryTopicOf Free_variables_and_bound_variables.