FUNCTION: Isp - test whether the argument is a generator of the p-basis

CALLING SEQUENCE:

Isp(expr)

TYP[Isp](expr)

PARAMETERS:

expr = any expression

SYNOPSIS:

• The Isp function tests whether the argument expr is a generator of the p-basis.

• Whenever there is a conflict between the function name Isp and another name used in the same session, use the long form TYP['Isp'].

EXAMPLES:

> with(TYP):
> Isp(p0);
 
                                     true
 
> Isp(p12);
 
                                     true