24 Mar
2020
24 Mar
'20
8:06 p.m.
Steven D'Aprano wrote:
Every set is a superset of itself and a subset of itself. A set may not be a "formal" subset or a "formal" superset of itself. issubset and issuperset refer to standard subsets and supersets, not formal subsets and supersets. Sorry, I don't understand your terminology "formal" and "standard". I
On Mon, Mar 23, 2020 at 12:03:50AM -0000, Steve Jorgensen wrote: think you might mean "proper" rather than formal? But I don't know what you mean by "standard". <snip>
Right. I meant "proper". Not "formal". By "standard", I simply mean without the "proper" qualifier.