On Sun, Mar 22, 2020 at 6:51 PM Steven D'Aprano <st...@pearwood.info> wrote:

> We might have a terminology issue here, since according to Wikipedia
> there is some dispute over whether or not to include the equality case
> in subset/superset:
>
> https://en.wikipedia.org/wiki/Subset
>
> For what it is worth, I'm in the school that subset implies proper subset
> [...]
>

Wikipedia's pedantry notwithstanding, I don't think this is a useful
position *when talking about Python sets*, since Python's set's .issubset()
method returns True when the argument is the same set:

>>> {1}.issubset({1})
True

Or did I miss a wink?

-- 
--Guido van Rossum (python.org/~guido)
*Pronouns: he/him **(why is my pronoun here?)*
<http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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