substituendn.
/səbˈstɪtjʊənd/, /səbˈstɪtʃʊənd/, U.S. /ˌsəbˈstɪtʃ(əw)ənd/ Chiefly Linguistics and Logic.
A thing that can be put in place of something else; a word, expression, etc., that may substitute for another.
ΘΚΠ
the mind > mental capacity > philosophy > logic > predicate or propositional logic > [noun] > substitution > elements of
substituend1939
the mind > language > linguistics > study of grammar > a part of speech > other parts of speech > [noun] > pro-form
substitute1807
prop-word1892
substituend1939
pro-form1959
1939 W. V. Quine in Jrnl. Philos. 36 707 Names, we found, are describable simply as the constant expressions which replace these variables and are replaced by these variables according to the usual laws. In short, names are the constant substituends of variables.
1955 N. Chomsky Logical Struct. Ling. Theory (microfilm, Mass. Inst. Technol.) viii. 432 We would naturally expect the substituend Y1 to play the same role in the overall structure of the sentence as did the term Y2 for which it is substituted.
1976 Analysis 36 81 The anaphoric substituend of a proform, if there is one, is (possibly a grammatical variant of) its antecedent.
2002 J. Divers Possible Worlds viii. 143 When the substituends of A are restricted to closed sentences..the principles are validated.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1939