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 ∧ ¬s))
⇒ logic.propositional.falsezeroor¬(T ∧ (q → p)) ↔ ((r ↔ s) ∨ (¬s ∧ ¬s))
⇒ logic.propositional.truezeroand¬(q → p) ↔ ((r ↔ s) ∨ (¬s ∧ ¬s))
⇒ logic.propositional.defimpl¬(¬q ∨ p) ↔ ((r ↔ s) ∨ (¬s ∧ ¬s))