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