הַכְּמַכַּ֥ת מַכֵּ֖הוּ הִכָּ֑הוּ אִם־כְּהֶ֥רֶג הֲרֻגָ֖יו הֹרָֽג׃
Hath He smitten him as He smote those that smote him? Or is he slain according to the slaughter of them that were slain by Him?
Read halakhic rulings (Jewish law) on Isaiah 27:7: and classical halakhic sources.