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