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