I read that statement as implying that argument A is equivalent to argument B. (Not (1) and (2), which are statements about arguments A and B)
And, if A implies B and B implies A, then it seems to me that A and B have to be equivalent to each other.
I read that statement as implying that argument A is equivalent to argument B. (Not (1) and (2), which are statements about arguments A and B)
And, if A implies B and B implies A, then it seems to me that A and B have to be equivalent to each other.