1. equivalence - Noun
2. equivalence - Verb
The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
Equal power or force; equivalent amount.
The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency. See Valence.
The degree of combining power as determined by relative weight. See Equivalent, n., 2.
To be equivalent or equal to; to counterbalance.
Source: Webster's dictionaryno comparison between the two books Source: Internet
beyond compare Source: Internet
on a par with the best Source: Internet
A cardinal is defined to be an equivalence class of similar classes (as opposed to ZFC, where a cardinal is a special sort of von Neumann ordinal). Source: Internet
Abstract Algebra, 3rd ed. John Wiley & Sons: 114, Prop. 2. In sum, given an equivalence relation ~ over A, there exists a transformation group G over A whose orbits are the equivalence classes of A under ~. Source: Internet
According to this argument, this removes the alleged equivalence that is necessary to conclude that yellow cows can inform us about ravens: :In proper grammatical usage, a contrapositive argument ought not to be stated entirely in the indicative. Source: Internet