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