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