Plz explain ? How to solve such que.
As I have solved this type of que earlier but when I am doing revision I am not able to do it. So plz provide some good explanation..
is C ans?
This link can help!
https://math.stackexchange.com/questions/304217/is-forall-x-exists-y-qx-y-the-same-as-exists-y-forall-x-qx-y
@ joshi_nitish Kindly elaborate why option 'C' is incorrect.