You will need the email address of your friend or family member. Please email customer service at (customerservice@thegreatcourses.com) or call our customer service team at 1-800-832-2412 for assistance. If they are already a customer, they will be able to add the gift to their My Digital Library and mobile apps. Learn that it all started with Aristotle, who devised rigorous methods for determining with absolute certainty whether a conclusion must be true given the truth of its premises.... We've updated our website and apps to improve your Great Courses Plus experience. Using truth tables, test the validity of famous forms of argument called modus ponens and its fallacious twin, affirming the consequent. To purchase a DVD or CD version of a course and mail it to a friend, please call customer service at 1-800-832-2412 for assistance. Logic can help you win an argument, run a meeting, draft a contract, raise a child, be a juror, or buy a shirt and keep from losing it at a casino. Download books for free. You may have seen logical arguments expressed with these arrows, v’s, backwards E’s, upside down A’s, and other inscrutable signs, which can seem as bewildering as higher math or an ancient language. Hone your skill with first-order predicate logic by expanding into relations. I highly recommend this course. I find the fact that the Professor goes back to summarize what he has talked about several times in each lecture to be a bit trying. Use truth tables to test the validity of famous forms of argument called modus ponens and affirming the consequent. This relation is obvious, but the techniques you learn allow you to prove subtler cases.". This is no ding on Professor Gimbel. Follow the work of Hilbert, Cantor, Frege, Russell, and Godel to prove that the logical consistency of mathematics can be reduced to basic arithmetic. Q: Oops! Award-winning Professor of Philosophy Steven Gimbel of Gettysburg College guides you with wit and charm through the full scope of this immensely rewarding subject in An Introduction to Formal Logic, 24 engaging half-hour lectures that teach you logic from the ground up—from the fallacies of everyday thinking to cutting edge ideas on the frontiers of the discipline. Ad hominem attacks try to undermine the arguer instead of the argument. © The Teaching Company Sales, LLC. Don’t think so, but maybe. How do I gift DVDs or CDs? We've sent a link and instructions to your email address to Interesting, informative, and challenging but requiring intense communication at times. Because the gift is sent immediately, it cannot be returned or exchanged by the person giving the gift. Learn about truth-functional logic, pioneered in the late 19th and early 20th centuries by the German philosopher Gottlob Frege. Much like a Swiss army knife for the incisive mind, it is a powerful mode of inquiry that can lead to surprising and worldview-shifting conclusions. For all of their power, truth tables won't work to demonstrate validity in first-order predicate arguments. Deepen your proficiency with this technique, which has almost magical versatility. Truth Tables 0 of 28 ... to your email address to help you easily reset your password and start exploring the new Great Courses Plus immediately. But beyond these very practical benefits, informal logic is the gateway to an elegant and fascinating branch of philosophy known as formal logic, which is philosophy’s equivalent to calculus. Find books Add two new operators to your first-order predicate vocabulary: a symbol for possibility and another for necessity. I accept the Terms and Conditions If you have problems, please Contact Us. Please enter your e-mail address associated with your Great Courses account. An example: If I am taller than my son and my son is taller than my wife, then I am taller than my wife." Second, I think the written materials could use some closer editing. Truth tables are not consistently user-friendly, and some arguments defy their analytical power. Right off the bat, the professor brought back memories of fifty years ago. Professor Gimbel notes that logical thinking is like riding a bicycle; it takes skill and practice, and once you learn you can really go places! All rights reserved. Then untangle the logic of increasingly more complex arguments, always remembering that the point of logic is to discover what it is rational to believe. Study two techniques for demonstrating that an argument in first-order predicate logic is invalid. Enjoy. On the other hand, the subject material is worthy and merits close examinatioin and some level of rummarization is very appropriate, so this is clearly more about me than about him. Who knew logic could be so entertaining, as well as useful?!?! The Professor is good and knowledgeable. Please do not attempt to reset your password again in the next 30 minutes. Q: How will my friend or family member know they have a gift? The material was interesting, the professor was superb, and the lectures were very well organized and presented. Logic is intellectual self-defense against such assaults on reason and also a method of quality control for checking the validity of your own views. As in other lectures, examine fascinating cases of each. This upgrade requires that you change your password. So far, you have learned two approaches to logic: Aristotle's categorical method and truth-functional logic. The method of counter-example involves scrupulous attention to the full meaning of the words in a sentence, which is an unusual requirement, given the symbolic nature of logic. Consider five fallacies that often arise when trying to reason your way from cause to effect. Probe two activities that could not exist without induction: polling and scientific reasoning. Without in any way detracting from my 5 star rating, I will say there are a couple of things that would have improved the course for me. Q: I don't want to send downloads. Examine what makes deductive arguments valid. Please enter your e-mail address associated with your Great Courses account. Delve deeper into the effort to prove that the logical consistency of mathematics can be reduced to basic arithmetic. We will send that person an email to notify them of your gift. The bottom line here is that this course is probably not something you just sit back and watch. Great minds think alike! Trace the origin of deductive logic to the ancient geometrician Euclid. This problem was exacerbated by the fact that the video format used in the lectures only made a few of the lines of a proof visable on the screen at any one time. Sorry, this feature is not available yet. Start Your Lifelong Learning Journey Today! Then see how this concept is used in conditional and indirect proofs. Q: What if the email associated with eGift is not for my regular Great Course account? See what happens if we deny the central claim of classical logic, that a proposition is either true or false. Sign In to access your account information and digital media. In this lecture, focus on four fallacies to avoid in inductive reasoning: selective evidence, insufficient sample size, unrepresentative data, and the gambler's fallacy. Then consider the development of non-Euclidean geometries in the 19th century and the puzzle this posed for mathematicians. Test the techniques by validating the identity of an unknown party in an office romance. For example, double negation asserts that a sentence and its double negation are equivalent. I should add, however, that this course made me work a lot harder than most of the courses I’ve taken from TGC. In the second, it denotes a specific dog.

the great courses introduction to formal logic

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