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