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7.10.4.1 isFreeAlgebra

Procedure from library freegb.lib (see freegb_lib).

Usage:
isFreeAlgebra(r); r a ring

Return:
boolean

Purpose:
check whether R is a letterplace ring (free algebra)

Example:
 
LIB "freegb.lib";
ring r = 0,(x,y,z),dp;
isFreeAlgebra(r);
==> 0
ring R = freeAlgebra(r, 7);
isFreeAlgebra(R);
==> 1

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