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