Definitions for

**"Equivalence"**C&P page: Definition: Two statements are equivalent if and only if neither has truth- value T when the other has truth-value F. Comment: Alternatively, we could say that two statements are equivalent if each follows from the other. Two statements which are equivalent by one definition will also be equivalent by the other.

qualities that are comparable; "no comparison between the two books"; "beyond compare"

a morphism that has an inverse morphism, so that when the two are composed, the identity morphism appears

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.

To be equivalent or equal to; to counterbalance.

The relationship between preferred and non-preferred terms where two or more terms are regarded, for indexing purposes, as referring to the same concept (ISO 2788, Clause 8.2). Relationship linking non-preferred terms to preferred terms.

The concept that translation or interpretation must strive to transfer meaning from one language to its equivalent in another, taking into consideration the class, culture, profession, etc. of both the source and the target text or speech.

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.

Areas on one portion of a map are in scale with areas in any other portion.

The property of a map projection to represent all areas in true proportion to one another. See Chapter 6.