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