What is the meaning of "Alo v'Chachesh"?
Rashi: He swears falsely. Malbim ? and Chachesh, they deny Hashem's existence and Hashgachah ? the opposite of Da'as Elokim. Alo v'Chachesh corresponds to the first five Dibros ? most of them are Bein Adam la'Makom. Alo is the opposite of "Lo Sisa [Es Shem Hashem Elokecha la'Shav]"; v'Chachesh is the opposite of "Anochi [Hashem Elokecha] and "Lo Yihyeh Lecha [Elohim Acherim]" (Shemos 20:2-5) and the Mitzvah of Shabbos, which are to found the Emunah in Hashem's existence, unity and Hashgachah Pratis.
Radak citing Rav Sadya Gaon: Alo ? they entered Alos (the curses of) the Bris. It says "Arur ha'Ish Asher Ya'aseh Fesel u'Masechah" (Devarim 27:15), and they make them! V'Chachesh ? they deny Kel, whom they accepted to be Elokim.
What is the significance of "v'Ratzo'ach v'Ganov v'Na'of"?
Malbim: This is the opposite of Emes and Chesed ? the latter five Dibros.
What is the meaning of "Paratzu"?
Rashi citing Targum Yonasan: They father children from their friends' wives.
Rashi: They breached the fence and murdered, to the point that blood of one victim touched the blood of another.
Radak: They breached the fence and guarding of the Torah, and did many Aveiros.
What do we learn from "Damim b'Damim Naga'u"?
Rashi citing Targum Yonasan: They add liability to liability.
Refer to 4:2:3:2.
