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Subset

Calling Sequence:
subset(a, b)
Parameters:
a,b : set

Returns: boolean

Synopsis: The subset function returns true if and only if every element in set a is in set b.

Examples:

> subset({1,2,3}, {1,2,3,4});

See also: union, intersect, member, minus




Gaston Gonnet
1998-09-15