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