Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
Final term is not finished
¬(¬q ∨ (p ∧ p)) ↔ (((r ↔ s) ∨ ¬s) ∧ (¬s ∨ (r ↔ s)))
⇒ logic.propositional.defequiv¬(¬q ∨ (p ∧ p)) ↔ (((r ↔ s) ∨ ¬s) ∧ (¬s ∨ (r ∧ s) ∨ (¬r ∧ ¬s)))