Logic Inductive And Deductive An Introduction to Scientific Method
The book Logic Inductive And Deductive An Introduction to Scientific Method was written by author Adam Leroy Jones Here you can read free online of Logic Inductive And Deductive An Introduction to Scientific Method book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Logic Inductive And Deductive An Introduction to Scientific Method a good or bad book?
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Now it is often possible to formulate other propositions which are equivalent to these or which are obviously true if the original proposition be true. The proposition, " No conic sections are rectan- gular figures," is equivalent to " No rectangular figures are conic sections." The only difference between the two is in the order of the terms. The original subject and predicate have been interchanged. This process is known as Conversion. The proposition just con- verted was an E proposition and... all E propositions can be converted. Again, the proposition, " Some metals are elements " can be converted into " Some elements are metals." Both are I propositions. From the proposition, " Some quadrupeds are horses," we can get only " Some horses are quadrupeds." We happen to know that the same could be said of all horses, but we do not get that knowledge from the original proposition. The original statement is affirmative and affirmative propositions, as we have seen, do not give information about the whole of the predicate.
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