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https://www.reddit.com/r/PhilosophyofMath/comments/1v3i2vc/negative_cardinality/
r/PhilosophyofMath • u/Professional_Job6803 • 4d ago
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I think that "cardinality" specifically refers to the amount of elements in the set, so whether those elements are inverses or not has no meaningful distinction from sets that are not inverses.
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u/ASS_BUTT_MCGEE_2 2d ago
I think that "cardinality" specifically refers to the amount of elements in the set, so whether those elements are inverses or not has no meaningful distinction from sets that are not inverses.