A cold-blooded vertebrate having an external covering of scales or horny plates. Reptiles breathe by means of lungs and are generally egg-laying.
(=> (Reptile ?Self) (And (Exists (?A) (And (Component ?Self ?A) (Cold-Blood ?A))) (Exists (?B) (And (Embodies ?Self ?B) (Breathing ?B) (Exists (?C) (And (Embodied-In ?B ?C) (Lungs ?C))))) (Exists (?D) (And (Component ?Self ?D) (External-Covering ?D) (Exists (?E) (And (Element ?D ?E) (Or (Scale ?E) (Horny-Plate ?E))))))))