FUNCTION: Iscl - test whether the argument is like cl[part]

CALLING SEQUENCE:

Iscl(expr)

TYP[Iscl](expr)

PARAMETERS:

expr = any expression

SYNOPSIS:

• The Iscl function tests whether the argument expr is like cl[part] where part denotes a partition in non-increasing order.

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

EXAMPLES:

> with(TYP):
> Iscl(cl[2,1,1]);
 
                                     true