Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
¬(((q ∨ F) ∧ (q ∨ F)) → p) ↔ ((r ↔ s) ∨ ¬s)
⇒ logic.propositional.idempand¬((q ∨ F) → p) ↔ ((r ↔ s) ∨ ¬s)
⇒ logic.propositional.falsezeroor¬(q → p) ↔ ((r ↔ s) ∨ ¬s)