Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- Ax(P(x)->-Q(x)) |- -(Ex(P(x) & Q(x))
- AxP(x)->-Q(x)) Prem.
- Ex(P(x) & Q(x)) Assum.
- x0
- P(x0)->-Q(x0) Ae 1
- P(x0) &e1 2
- Q(x0) &e2 2
- -Q(x0) ->e 5,4
- BOTTOM -e 6,7
- -(P(x0)->-Q(x0)) PBC 4-8
- -AxP(x)->-Q(x) Ai 3-9
- BOTTOM -e 1,10
- -Ex(P(x) & Q(x)) PBC 2-11
Add Comment
Please, Sign In to add comment