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Validity

This tag is associated with 10 posts

CrossFit Libertarian Logic – Emily

http://www.foxnews.com/politics/2013/09/26/crossfit-openly-exercises-its-libertarian-views/?intcmp=trending CrossFit, the popular fitness regimen questioned the wisdom of military strikes in Syria Some libertarians discuss military strikes in Syria Therefore CrossFit is a libertarian organization This argument has a correct form = X, Y Z, Y X, Z This argument is not factually correct as not all of the statements are true. The … Continue reading

Definitions Truth – actual state of matter – applied to premise (if one premise is false, the conclusion is false.) Validity – correct form – containing premises from which the conclusion may logically be derived. Soundness – Argument/theory is valid – All of its premises are true Example: All men are mortal Socrates is a … Continue reading

Peter Parker Does Not Like People Looking At His Face. Because of Reasons.

Someone concealing their identity is doing it for nefarious reasons. Spiderman conceals his identity Therefore, Spiderman has nefarious reasons. As a syllogism, this is valid: A(someone concealing their identity) is(doing it because of) B(nefarious reasons) C(Spiderman) is A(someone concealing their identity) Therefore, C(Spiderman) is(doing it because of) B(nefarious reasons). However, this syllogism is not true, … Continue reading

Hypothetical syllogism

Major premise  – If i eat Mcdonalds everyday, i will be obese.          I dont eat Mcdonalds everyday conclusion –  Therefore i am not obese. Terms : Mcodnalds –  middle term To eat everyday – predicate term Obesity – subject term Examination: This conclusion is invalid because it is possible that i could eat other unhealthy, processed food, … Continue reading

After Some Revisions… – Kelly

I awoke this morning to an extraordinarily kind comment from Mr. Stephen Downes, who tore my blog post to shreds.  Well, that is slightly dramatic.  He opened my eyes to just how little I actually knew about how to properly write fallacy and syllogism.  So, after some reiteration, explanation, and revision, here is a (hopefully) … Continue reading

Bedtime Syllogism

All beds are for people to sleep on. A riverbed is a bed. Therefore a riverbed is for people to sleep on. The conclusion of this syllogism is valid, as it follows the presented premises. However, this argument is not true, due to the untrue premises. As a result, this argument is not sound. A: … Continue reading

Zoe: Batman is On the Internet

Recently, a man named Stephen Downes has been leaving comments on this classes blog. After some thinking, I made a discovery. All men who patrol their territory under his own power and initiative, strike fear into the heart of wrong doers in the dead of night, and does these things with only the tools and … Continue reading

Can we use logic with love?

Putting aside the clear satire tone, the song tries to put logically one of the things that most people have such a hard time thinking objectively about; love. We all have those who are close and dear to us and it can be difficult to imagine ourselves without them. Yet the world is filled with … Continue reading

Gifted Individuals Proved “Ungeniuses”

All gifted individuals are geniuses. Stephanie is a gifted individual. Therefore, Stephanie is a genius. Though this syllogism is valid, it is not sound as the information was based upon subjective opinions.  This statement is valid because it follows a correct form in which it includes a middle term “A” (all the gifted individuals), a … Continue reading

Jonathan Toews, a Famous Hockey Player

Someone named Jonathan Toews is a famous hockey player I am someone named Jonathan Toews Therefore, I am a famous hockey player   This syllogism is both categorically invalid as well as not sound. Even though both premises are true, the two premises are particular propositions and do not relate to each other in a … Continue reading