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Schema |
 | | A schema (plural: schemata, or schemas), also known as a scheme (plural: schemes), is a linguistic template or pattern together with a rule for using it to specify a potentially infinite multitude of phrases, sentences, or arguments, which are called instances of the schema. |
 | | Schemas are used in logic to specify rules of inference, in mathematics to describe theories with infinitely many axioms, and in semantics to give adequacy conditions for definitions of truth. |
 | | Schemas may be classed by the syntactic type of their instances as sentence schemas, subsentential schemas, or argument-text schemas. |
| plato.stanford.edu /entries/schema (2127 words) |
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