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