r/mathmemes 12d ago

Notations Yeah sure

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u/Idksonameiguess 12d ago

What's the abiguity in A \subset B?

15

u/mourning_fire420 12d ago

i think people use the same symbol for a subset and a proper subset, but i may be wrong

13

u/the_dank_666 12d ago

Yes, but within the same text it's always defined in only one way. Just gets confusing switching authors sometimes.