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