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