subsets(ZZ) -- produce all the subsets

Synopsis

Usage:
subsets n
Function: subsets
Inputs:
- n, an integer
Outputs:
- a list, a list of the subsets of the {0,1,...,n-1}

Description

i1 : subsets 4

o1 = {{}, {0}, {1}, {0, 1}, {2}, {0, 2}, {1, 2}, {0, 1, 2}, {3}, {0, 3}, {1,
     ------------------------------------------------------------------------
     3}, {0, 1, 3}, {2, 3}, {0, 2, 3}, {1, 2, 3}, {0, 1, 2, 3}}

o1 : List