Coherence Condition

In mathematics, and particularly category theory a coherence condition is a collection of conditions requiring that various compositions of elementary morphisms are equal. Typically the elementary morphisms are part of the data of the category.

Read more about Coherence Condition:  An Illustrative Example: A Monoidal Category, Further Examples, Identity, Associativity of Composition

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    Our condition as men is risky and ticklish enough. One can not be sure of himself and his fortune an hour, but he may be whisked off into some pitiable or ridiculous plight.
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