Definition of Metavariables. Meaning of Metavariables. Synonyms of Metavariables

Here you will find one or more explanations in English for the word Metavariables. Also in the bottom left of the page several parts of wikipedia pages related to the word Metavariables and, of course, Metavariables synonyms and on the right images related to the word Metavariables.

Definition of Metavariables

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Meaning of Metavariables from wikipedia

- In logic, a metavariable (also metalinguistic variable or syntactical variable) is a symbol or symbol string which belongs to a metalanguage and stands...
- metavariables for program construction. For example, one can write functions like this in Agda: add : ℕ → ℕ → ℕ add x y = ? ? here is a metavariable....
- are not symbols of the object language L {\displaystyle L} , they are metavariables in the metalanguage (in this case, English) that is discussing the object...
- then they are predicate metavariables, whereas the rest of the predicates are just called "predicate letters". The metavariables are thus understood to...
- referring to generic propositions to use Gr**** letters Φ, Ψ, ... as metavariables (variables outside the language of propositional calculus, used when...
- (The do****entation for texinfo emphasizes the distinction between metavariables and mere variables used in a programming language being do****ented in...
- {\displaystyle P} and Q {\displaystyle Q} in these formulas are so-called metavariables: they stand for any simple or compound proposition. Rules of inference...
- {\displaystyle \phi } and ψ {\displaystyle \psi } be metavariables for any wff, and x {\displaystyle x} be a metavariable for any variable. These are valid wff constructions:...
- basic unit. Propositional variables should not be confused with the metavariables, which appear in the typical axioms of propositional calculus; the latter...
- {\displaystyle X,Y} , be metavariables for any variables or sets, such that X = Y {\displaystyle X=Y} , and let z {\displaystyle z} be a metavariable for any variable...