## EQUIVALENCE

### equivalence

#### 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.
- 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.

#### Verb

- To be equivalent or equal to; to counterbalance.

*The above text is a snippet from Wiktionary: equivalence*

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and as such is available under the Creative Commons Attribution/Share-Alike License.