SUBSTITUTION

Substitution

Substitution is a fundamental concept in logic. A substitution is a syntactic transformation on formal expressions.

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substitution

Noun

  1. the act of substituting or the state of being substituted
  2. a substitute or replacement
  3. (especially in organic chemistry) the replacement of an atom, or group of atoms, in a compound, with another


The above text is a snippet from Wiktionary: substitution
and as such is available under the Creative Commons Attribution/Share-Alike License.

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