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3 Cards in this Set
- Front
- Back
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A = B |
Set a is equal to set B is and only if A is a subset of B and B is a subset of A |
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A ~ B |
The sets A and B are equivalent if and only if they can be put into a one to one correspondence. Or, they have the same number of elements. |
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U |
The set of all elements (universe) |
