PHIL 2003 Lecture Notes - Lecture 2: The Weather Man

• School: University of Arkansas
• Department: Philosophy
• Course: PHIL 2003
• Professor: Bobby Howard

Document Summary

All whales are mammals, shamoo is a whale, therefore shamoo is a mammal. Everything that begins to exist has a cause. Invalidity- does not have to be true: 1. Validity- the property that arguments have such that when the premises are true, the conclusion has to be true (impossible to be false: 1. Validity is not only applicable to true statements. If the first two premises are true, then the third premise must be true and vice versa. When all premises are true, it is a sound argument, and when one is false, it is an unsound argument: 1. Everything in france is made of cheese: 2. Therefore, bobby is made of cheese: false argument, but still valid and sound. The weather man says there is an 80% chance of rain today it will probably rain today. Never making a claim about a definite result.