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