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B.7.0.13 Is_NC
Procedure from library nctools.lib (see nctools_lib).
- Usage:
- Is_NC();
- Return:
- 1, if basering is noncommutative; 0 otherwise.
Example:
| LIB "nctools.lib";
def a = CreateWeyl(2);
setring a;
Is_NC();
==> 1
kill a;
ring r = 17,(x(1..7)),dp;
Is_NC();
==> 0
kill r;
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