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