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