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There are likely a similar set of male specific issues as well, so it seems presumptuous to call it a superset.

This is important. There's a fine line between calling women's needs "special needs" and implying the primacy of maleness.

Indeed, both men and women have a superset of human concerns.

The union is never instantiated.

Supersets are not exclusive.

What do you mean?

Maybe each gender could have a set that's the superset of their common needs. Or maybe it was meant that the superset can equal the original set.

Correct on the former.