involutive-semigroups: Semigroups with involution.

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Provides a typeclass for semigroups with "inverse-like" operations.

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Change log
Dependencies base (>= && <4.15), bytestring (>= && <0.11), containers (>= && <0.7), text (>= && <1.3), vector (>= && <0.13) [details]
License BSD-3-Clause
Copyright 2020 Nicholas Coltharp
Author Nicholas Coltharp
Category Algebra, Data, Math
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Source repo head: git clone
Uploaded by nosewings at 2020-07-30T06:48:15Z


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A semigroup S is said to be with involution if it comes equipped with an "inverse-like" operation rev. Specifically, the following must hold for all x y : S:

reverse is the prototypical example. Any group inverse automatically satisfies these laws.