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