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