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