The one who was wounded, how so? They testified about him that he entered his do-main uninjured and emerged wounded; and he says to him, “You wounded me,” while he says, “I did not wound [you]” —- he swears and collects. R' Yehudah says: Only if there is a partial admission. How so? He says to him, “You inflicted two wounds on me,” while he replies, “I inflicted on-ly one wound on you.''