PHIL 1000 Lecture Notes - Lecture 3: Fallacy, Hypothetical Syllogism, Copernican Revolution

• School: Fordham University
• Department: Philosophy
• Course: PHIL 1000
• Professor: Bradley Rettler

Document Summary

P and q are declarative sentences (true or false) P is true and q is false. Function of the truth values of the things you put in. Can turn any argument into a valid argument by adding a conditional. Take the premise and construct a if the premise, then the conclusion. If i can doubt something, then i don"t know it. Need to think of an example where you doubt something, then still know it. Validity: property of argument that has to do with the relationship between a premise and a conclusion. Impossible for the premises to be true and the conclusion false. If the premises are true, then the conclusion is true. Is it possible to accept the conclusion without the premises. From geocentric to heliocentric model of the universe. Hypothesized that the sun was the center of the universe. Seeing how scientific observation prior seemed well established.