Logic Texts

William Stanley Jevons, the Englishman who discovered the subjective theory of value simultaneously with Austrian Karl Menger and Frenchman Léon Walras, wrote a book called Elementary Lessons in Logic, which he considered an introduction to John Stuart Mill's A System of Logic, Ratiocinative and Inductive.

The latter was highly recommended by Dr. James Hall, whose course, Tools of Thinking I bought from The Teaching Company and the latter is on sale now by The Mises Institute.

I set myself the task of reading them.

Broke bleeps like me go for the free online ebook.

I'm trying to remember the laws of logic

we learned in Math class in school. I haven't been over them in quite a while. I suppose if I google "contrapositive" I'd find all the correct ways to restate a proposition. For instance, I'd like to verify if this is a proper corollary - or a true restatement (this is an alternative to the previous phrase, not a clarification of it) - of the Golden Rule: you are to be treated as you treat others.

It strikes me as a more useful moral tenet.