Question

if a is proper subset to b then a intersection b​

Answer 1

Step-by-step explanation:

Intersection is also commutative; for any A and B, one has A ∩ B = B ∩ A.

this is the answer.

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Answer 2

Intersection is also commutative; for any A and B, one has A ∩ B = B ∩ A.