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