PHL100Y1 Lecture 9: PHL100 - LECTURE #9
Document Summary
A: how can i ask if x is f if i don"t know what x is? (what is virtue?) Intensional: what the specs are for being a k(what the word means, what is included in the concept) Extensional: i. e. the actual things in k(class of things that meet those specs) Ways de nition can go wrong: spacs can fail to match what we think belongs in k, Failing to specify what all in k have in common: being too speci c(eg. Justice a virtue: not virtue: being too general(eg. Wanting what is good: appealing to terms that are not understood. Republic answer: they are all copies of the ideal form. Too narrow(doesn"t cover other forms of virtue) We are looking for de ning (necessary and suf cient) characteristics. Necessary condition: without which nothing could be a virtue(possibility: a good aspect of human character)
