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7.7.8.0. isInvolution
Procedure from library involut.lib (see involut_lib).

Usage:
isInvolution(F); F is a map from current ring to itself

Return:
integer, 1 if F determines an involution and 0 otherwise

Theory:
involution is an antiautomorphism of order 2

Assume:
F is a map from current ring to itself

Example:
 
See also: findInvo; involution; isAntiEndo.


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