How can the Torah consider "Im Lo'Shachav Ish osach ... Hinaki", which implies guilt, a Shevu'ah?
Rashi: The Shevu'ah lies in the inference
Why does the Pasuk add the phrase "Im Lo Shachav Ish osach, ve Im Lo Satis Tum'ah Tachas Ishech"?
Ramban #1: to clarify that he (the Kohen) is referring to another an, other than her husband, who is also a man, and with whom she was entitled to have been intimate.
Ramban #2: Assuming that the word "Ish" is missing a 'Hey', the Pasuk means that she did not lie with the man in question, nor with any other man. 1
Seforno: The Pasuk means that she did not commit adultery on this occasion or on any previous occasion. 2
What are the connotations of "Hinaki"?
Rashi, Targum Onkelos and Targum Yonasan: It means that the Sotah will be proven innocent.
Seforno: Bearing in mind the Pasuk the Pasuk in Shemos, 20:7, "Ki Lo Yinakeh Hashem es asher Yisa es Sh'mo la'Shav", implicating anyone who swears