Do you think Holmes uses a scientific method to solve this crime? Explain. Does the author, Sir Conan Doyle, provide us with ALL the pertinent information or was crucial data withheld?

The element of Greek tragedy expressed in Jocasta's and Oedipus' decision to mutilate themselves upon discovery of the grave misfortune they were unaware of all along is called reversal (or otherwise called as perepeteia) which marks a major event which was the result of the discovery of the horrors they've done to themselves.