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