BT Šab 113a(25) :אין ולא ורפיא בידיה‏ : yes and no, and he was undecided concerning it
See the entire entry for ˀēn interj. yes

BT Šab 113a(25) :אין ולא ורפיא בידיה‏ : yes and no, and he was undecided concerning it
See the entire entry for lā adv. no, not