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