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