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