PROCESS OF REASONING

derived from induction. . . . Some of them are merely hypothetical, as in the investigation of the physical sciences. Many of the hypotheses and theories of the physical sciences are used as general truths for deductive reasoning; such as the theory of gravitation, the theory of light, etc. Reasoning from the theory of universal gravitation, Leverrier Urbain Le Verrier (1811–1877) was a French mathematician and astronomer who predicted the existence of Neptune using only mathematical calculations. discovered the position of a new planet in the heavens before it had been seen by human eyes.”

Halleck Reuben Post Halleck (1859–1936) was an American educator and psychologist known for his work on how the human mind functions. points out the interdependence of inductive and deductive reasoning in the following words:

“Man has to find out through his own experience, or that of others, the major premises major premise: a general statement or principle that serves as the starting point for an argument from which he argues or draws his conclusions. By induction induction: the method of reasoning where a general rule is formed based on specific individual examples, we examine what seems to us a sufficient number of individual cases. We then conclude that the rest of these cases, which we have not examined, will obey the same general laws. . . . The premise, ‘All cows chew the cud,’ was established after a certain number of cows had been examined. If we were to see a cow twenty years from now original: "hence", we would expect that she chewed her cud. . . . After induction has classi—”