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+open Power_prover.Datatypes
+
+let show_example p i =
+ print_endline ("Proposition p: " ^ (string_of_prop p));
+ print_endline ("p in NNF: " ^ (string_of_prop (to_nnf p)));
+ print_endline ("Interpretation i: " ^ (string_of_interpr i));
+ print_endline ("p under i: " ^ (string_of_prop (interpret p i)) ^ "\n");;
+
+let p1 = Not(Not(Not(And(Lit "a", Lit "b"))));;
+let p2 = Iff(Not(Implies(Or(Lit "a", Lit "b"), And(Lit "b", Lit "c"))), True);;
+let i1 = [("a", false); ("b", true); ("c", false)];;
+let i2 = [("a", false); ("b", false)];;
+let i3 = [("c", true)];;
+
+let () =
+ show_example p1 i1;
+ show_example p1 i2;
+ show_example p1 i3;
+
+ show_example p2 i1;
+ show_example p2 i2;
+ show_example p2 i3;;