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countrygirl1431
 one year ago
If A ⊂ B, then A ∩ B = ∅.
True
False
countrygirl1431
 one year ago
If A ⊂ B, then A ∩ B = ∅. True False

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.1I'll have to check it out but i think ⊂ means ' a subset of'

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1yes it means A is a subset of B and A has fewer elements than B like {1,2} is a subset of { 1,2,3}

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1and ∩ means an intersection of A and B  that is a set containing common elements of A and B so iun the above case A ∩ B = {1.2} so what do you think  is the proposition in the question true?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1by the way ∅ means 'the empty set'  A set containing no elements.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1A ∩ B = {1,2}  is that an empty set?
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