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