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