# Definitions for schematic variableschemat·ic vari·able

### WiktionaryRate this definition:0.0 / 0 votes

1. schematic variablenoun

A variable that appears in an axiom schema and ranges over formulas, distiguished from the variables of the axiom schema that are quantified over and that range over the individuals of the universe of discourse.

### WikipediaRate this definition:0.0 / 0 votes

1. schematic variable

In logic, a metavariable (also metalinguistic variable or syntactical variable) is a symbol or symbol string which belongs to a metalanguage and stands for elements of some object language. For instance, in the sentence Let A and B be two sentences of a language ℒthe symbols A and B are part of the metalanguage in which the statement about the object language ℒ is formulated. John Corcoran considers this terminology unfortunate because it obscures the use of schemata and because such "variables" do not actually range over a domain.: 220 The convention is that a metavariable is to be uniformly substituted with the same instance in all its appearances in a given schema. This is in contrast with nonterminal symbols in formal grammars where the nonterminals on the right of a production can be substituted by different instances.Attempts to formalize the notion of metavariable result in some kind of type theory.

### Numerology

1. Chaldean Numerology

The numerical value of schematic variable in Chaldean Numerology is: 5

2. Pythagorean Numerology

The numerical value of schematic variable in Pythagorean Numerology is: 7

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"schematic variable." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/schematic+variable>.

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