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D.2.12.22 hasTransExtensionCoefficient

Procedure from library ring.lib (see ring_lib).

Usage:
hasTransExtensionCoefficient ( rng );

Return:
1 if the coefficients are rational functions, 0 otherwise.

Example:
 
LIB "ring.lib";
ring rng = integer,x,dp;
hasTransExtensionCoefficient(rng); //no
==> 0
ring rng2 = (0,a), x, dp;
hasTransExtensionCoefficient(rng2);  // yes
==> 1
ring rng3=(49,a),x,dp;
hasTransExtensionCoefficient(rng3);  // no
==> 0


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