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