Equivalence
WordNet
noun
(1) Qualities that are comparable
"No comparison between the two books"
"Beyond compare"
(2) Essential equality and interchangeability
(3) A state of being essentially equal or equivalent; equally balanced
"On a par with the best"
WiktionaryText
Noun
- The condition of being equivalent or essentially equal.
- An equivalence relation.
- The relationship between two propositions that are either both true or both false.