1)
"Par Echad"?
1.
Rashi (citing R. Moshe ha'Darshen) and Ramban #1: Corresponding toAvraham. 1
1
Rashi: See Bereishis 18:7.
2)
"Ayil Echad"?
1.
Rashi (citing R. Moshe ha'Darshen): Corresponding to Yitachak. 1
1
Rashi: See Bereishis 22:13.
3)
"Keves Echad?