nonequivalence.

The absence of equivalence under a relevant criterion.

Use it for

Words that belong together

• nonequivalence of measures
• logical nonequivalence

On the page

Nonequivalence of the measures prevented direct substitution.

Logical nonequivalence was shown by a case in which the statements differed in truth value.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: explicit explanation, scope and categorization, proof and interpretation, philosophical foundations. Disciplines: academic writing, formal reasoning, philosophy. Commonness: uncommon.