PHILOS 8 Chapter 1: Philosophy_8_-_deductive_valid_arguments_
Document Summary
Content of the conclusion is already contained in the content of the premises. There is no new information in the conclusion that isn"t already stated in the premises. No if the premises are true then the conclusion must/is guaranteed to be true. If you feed a deductively valid argument true premises, it"s guaranteed to spit out a true conclusion. If you"ve got true premises + valid argument conclusion is guaranteed to be true. Not possible for all premises to be true while. Arguments that don"t in fact have true premises can still be conclusion is false deductively valid, because if the sentences were to be true, the conclusion would still be guaranteed to be true. Ex: socrates is a dog and all dogs are immortal socrates is immortal. Either valid or invalid no degrees (it is either valid or it"s not) Ex: socrates is a dog and all dogs are immortal socrates is a cat.
