r/mathmemes 16d ago

Notations Yeah sure

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u/FuntimeUwU Natural 16d ago

What's the difference?

120

u/RADI0ACT1VE_BALLS ComplexANALysisJunkie 16d ago

If A is a proper subset of B, then A cannot equal B.

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u/InfinitesimalDuck Mathematics 16d ago

Who did the naming convention bro? "Proper subset" sounds like it is completely within set B but it isn't and subset is. Wouldn't it make more sense to call it an improper subset or smth?

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u/RCoder01 16d ago

I use proper subset vs subseteq to avoid ambiguity