Dictionary

metatheorem en · NOUN

Etymology

From meta- + theorem.

Meanings

1. A statement about theorems proven in a metalanguage.
   • The metatheorem of deduction will play an essential role ... 2008, Walter Carnielli, Marcelo Coniglio, Dov M. Gabbay, Paula Gouveia, Cristina Sernadas, Analysis and Synthesis of Logics: How to Cut and Paste Reasoning Systems, Springer Science & Business Media, →ISBN, page 70:
   • From these observations we conclude that we have the following metatheorem. Metatheorem 3: If φ is a theorem of second-order monadic predicate logic, then trs'(φ) is a theorem of our present conceptualist logic. 2007, Nino B. Cocchiarella, Formal Ontology and Conceptual Realism, Springer Science & Business Media, →ISBN, page 224:
   • This paper presents a metatheorem with the following property: Given a proven axiom-free lemma, which interrelates some of the elementary properties of a binary relation, the metatheorem mechanically transforms this lemma into its uniquely corresponding complementary lemma. 1977, Theory and decision:

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