(k Ad) bak dvy Statements 1) DAK 2) k 3) - Ad) 4) KA d 5) d 6) dvy Reasons 1) Premise 2) CS 1) 3) Premise 4) DME 3) 5) DS 2), 4) 6) DA 5) The above argument is valid. The proof presented for this argument The above argument is valid. The proof presented for this argument contains an error on line 5). A. is entirely correct . contains an error on line 4). D.contains an error on line 6). contains an error on line 2).