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