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