slib_title=Subsets of a set
slib_out=List of the subset of a set (with less than 10 elements)
slib_comment=If the set has more than 10 elements, only the 10 first are used.\
By default, all the subsets are enumerated. 
slib_parms=2\
,list of subsets\
,minimal and maximal cardinality of the subsets