Exercise relationalgebra.cnf

Description
To conjunctive normal form

Derivation

((V- ; s) /\ ((s ; V-) ; (s /\ q) \/ s))-

⇒ relationalgebra.remredunexprs

(V- /\ ((s ; V-) ; (s /\ q) \/ s))-

⇒ relationalgebra.remredunexprs

V--

⇒ relationalgebra.doublenegation

V