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