API tools faq
paste
Guest User

Untitled

a guest
Jun 20th, 2018
84
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 0.19 KB | None | 0 0
raw download clone embed print report
  1. Lemma exercise2 : forall A B C D:Prop, (A->B)/\(C->D)/\A/\C -> B/\D.
  2. Proof.
  3. intros A B C D H.
  4. destruct H as [H1 [H2 [H3 H4]]].
  5. split.
  6. apply H1.
  7. exact H3.
  8. apply H2.
  9. exact H4.
  10. Qed.
Add Comment
Please, Sign In to add comment
Public Pastes
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!