Let a, b, c, d be propositions. Assume that the equivalence a (b v b) and b c hold. Then truth value of the formula ( a ^ b) ((a ^ c) v d) is always

Let a, b, c, d be propositions. Assume that the equivalence a (b v

1.	Let a, b, c, d be propositions. Assume that the equivalence a (b v b) and b c hold. Then truth value of the formula ( a ^ b) ((a ^ c) v d) is always
A.	True
B.	False
C.	Same as the truth value of a
D.	Same as the truth value of b
Answer» B. False