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Which of the following are always true?
Which of the following are always true?
A: If every non-A is a non-B then every A is an B
B: If x is in AnB or x is in BnC then x is in AnC
C: If x is in AnB or x is in BnC then x is in B
D: If every non-A is a non-B then every B is an A
E: If x is not in A or x is not in B then x is not in AuB
F:If x is not in AuB then x is not in A and x is not in B
G: If x is not in Anb then x is not in A and x is not in B
H: If x is in AuB and x is in C then x is in Anc or x is in BnC
I: If x is in AnB then x is in A and x is in B
J:If x is in Aub or x is in C then x is in AuC and x is in BuC
K: If x is in AnB or x is in C then x is in AuC and x is in BuC