Current location - Training Enrollment Network - Mathematics courses - I want to know which of the two mathematical symbols "and" or "is up? Urgent!
I want to know which of the two mathematical symbols "and" or "is up? Urgent!
And it is the intersection point, which is ∩, with the tip up and the opening down.

Or union, right, point down and drive up.

This is a symbol of both.

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