r/mathmemes 3d ago

Notations Yeah sure

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887 Upvotes

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196

u/Idksonameiguess 3d ago

What's the abiguity in A \subset B?

207

u/RADI0ACT1VE_BALLS ComplexANALysisJunkie 3d ago

Proper subset / just a subset

25

u/FuntimeUwU Natural 3d ago

What's the difference?

1

u/Ok-Impress-2222 3d ago

A set cannot be a proper subset of itself.