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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
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Characteristic(S);
0
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