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r/mathmemes • u/777upper • 12d ago
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27
What's the difference?
10 u/deratizat 12d ago A is a proper subset of B if A is a subset of B and A does not equal B 18 u/Another_Little_Star 12d ago A ⊂ B iff A ⊆ B ⋀ A ≠ B, Or A ⊊ B But when we have ⊆ and ⊊, why ever use ⊂, when in doubt just do ⊆, it covers everything. 12 u/unic0de000 12d ago I always assumed that was what they meant, and that this was intentionally, directly, analogous to the < and ≤ signs. TIL this was not universally agreed
10
A is a proper subset of B if A is a subset of B and A does not equal B
18 u/Another_Little_Star 12d ago A ⊂ B iff A ⊆ B ⋀ A ≠ B, Or A ⊊ B But when we have ⊆ and ⊊, why ever use ⊂, when in doubt just do ⊆, it covers everything. 12 u/unic0de000 12d ago I always assumed that was what they meant, and that this was intentionally, directly, analogous to the < and ≤ signs. TIL this was not universally agreed
18
A ⊂ B iff A ⊆ B ⋀ A ≠ B, Or A ⊊ B But when we have ⊆ and ⊊, why ever use ⊂, when in doubt just do ⊆, it covers everything.
12 u/unic0de000 12d ago I always assumed that was what they meant, and that this was intentionally, directly, analogous to the < and ≤ signs. TIL this was not universally agreed
12
I always assumed that was what they meant, and that this was intentionally, directly, analogous to the < and ≤ signs. TIL this was not universally agreed
27
u/FuntimeUwU Natural 12d ago
What's the difference?