;;; generated by SMT-LIB2 driver
;;; SMT-LIB2 driver: bit-vectors, common part
(declare-datatypes () ((tuple0 (Tuple0))))
(declare-fun a () Bool)

(declare-fun b () Bool)

(declare-fun c () Bool)

(declare-fun da () Bool)

;; da_def
  (assert (= da (and b (not c))))

(declare-fun db () Bool)

;; db_def
  (assert (= db (=> a c)))

(declare-fun dc () Bool)

;; dc_def
  (assert (= dc (and (not c) (or a b))))

(assert
;; Thm01
 ;; File "enigme.mlw", line 13, characters 7-12
  (not (and da (and db dc))))
(check-sat)