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Characteristic |
Syntax |
Characteristic():INT Characteristic(R:RING):INT |
Summary |
the characteristic of a ring |
Description |
This function returns the characteristic of the current ring, in the first case, or of the ring R, in the second. |
Example |
Use R ::= Z/(3)[t]; S ::= Q[x,y]; Characteristic(); -- characteristic of the current ring, R 3 ------------------------------- Characteristic(S); 0 ------------------------------- |