this post was submitted on 06 Dec 2023
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[–] FooBarrington 6 points 1 year ago (1 children)

This is completely wrong, please don't listen to this person.

[–] [email protected] -2 points 1 year ago (1 children)

I suggest you Google "Projectively Extended Real Numbers".

[–] FooBarrington 3 points 1 year ago

You mean this one?

The projectively extended real number line is distinct from the affinely extended real number line, in which +∞ and −∞ are distinct.

Now tell me, do we usually work with the projectively extended real numbers?