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