Philosophy 1200 Lecture Notes - Disjunctive Syllogism, Modus Tollens, Modus Ponens
14 Sep 2013
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Deductive arguments linguistic or logical object logical implication. Two parts: premises must be true and it must be valid (logical strength) P or q if p then r if q then s. Destructive dilemma if p then r if q then s. Even if an argument has instances where both the conclusion and premises are true, it does not necessarily mean the argument is valid or sound. If coal is black (p), then snow is white (q) Therefore, coal is black (p: find the form of the argument if p then q. Therefore p: find a counterexample to that form. If the prof is a monkey (p), then the prof is a mammal (q). Therefore, the prof is a monkey (p) Either we take job actions or we go to work. 115, which is an unconstitutional and short-sighted legislation, then our fundamental right to manifest against social injustices will be violated.
