Validity, Strength, Soundness, and Truth - Sept 13

Validity, Strength, Soundness, and Truth - Sept 13 -...

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Validity, Strength, Soundness, and Truth Arguments -set of statements, some called premises and other conclusions, premises support the conclusion ex of argument : My dog was sick last night (P) and that’s why (conclusion indicator) we had to pay a visit to the vet(C) ex of non argument : husband and wife disagreeing whether or not a leather jacket suited someone. But overall, they had a good time at the club. – not an argument because there was no conclusion, nothing supported final statement arguments can be any length, from one sentence to a whole book -ex of one sentence argument: “stop picking your nose, it’s gross!” -premise: picking one’s nose is gross -conclusion: Therefore, you should stop picking your nose (hidden statements – doesn’t look like an argument at first glance) arguments may involve any subject matter. An argument is not a dispute – a bad argument is still an argument. -ex of a bad argument: If you could live forever would you and why? I wouldn’t because we shouldn’t because if we were supposed to we would, but we cannot. .. - conclusion meant to be supported by premises. Thus , intentions of person making argument are relevant. Truth -statements which constitute the argument can be true or false (arguments are never true or false! Truth and falsehood are properties of the statements, not of the arguments) -arguments are deductive, inductive, valid, invalid, strong, weak, sound statements can never be strong, sound, valid, or invalid -validity doesn’t apply to premises or conclusion Deductive arguments -valid/ strong and invalid/weak arguments -intended to provide logically conclusive support for its conclusion while inductive arguments are intended to provide only probable but not conclusive support -most philosophical arguments are deductive. Scientific arguments could be both deductive and inductive ex of deductive argument: Most birds can fly. Bengie is my green parrot. Therefore, it is most probable
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Validity, Strength, Soundness, and Truth - Sept 13 -...

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