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