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