PHL100Y1 Lecture Notes - Lecture 4: Reductio Ad Absurdum, Thrasymachus, Polemarchus
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Quotes i(cid:373)o(cid:374)des: (cid:862)to gi(cid:448)e ea(cid:272)h (cid:449)hat is o(cid:449)ed to hi(cid:373)(cid:863) (cid:894)(cid:1007)(cid:1007)(cid:1005)e(cid:895) To treat someone well, you have to know how, you need the skills. Skills enable both good and bad treatment. Paradox: if a just person is good at guarding money, they must be good at stealing it because they have the skills of a guarder. Therefore, a just person (one who is good at guarding money) is a kind of thief. If f(cid:396)ie(cid:374)ds a(cid:396)e (cid:862)useful(cid:863), o(cid:374)e (cid:373)ight (cid:271)e (cid:373)istake(cid:374) a(cid:271)out (cid:449)ho o(cid:374)e(cid:859)s f(cid:396)ie(cid:374)ds a(cid:396)e. We (cid:373)ust (cid:396)edefi(cid:374)e f(cid:396)ie(cid:374)ds as those (cid:449)ho a(cid:396)e (cid:862)(cid:271)oth (cid:271)elie(cid:448)ed to (cid:271)e a(cid:374)d (cid:449)ho [a(cid:396)e] useful(cid:863) (cid:894)(cid:1007)(cid:1007)(cid:1008)e(cid:895) O the fo(cid:396)(cid:373)ula is a(cid:373)e(cid:374)ded (cid:862)to (cid:271)e(cid:374)efit (cid:271)ad people a(cid:374)d ha(cid:396)(cid:373) good o(cid:374)es(cid:863) (cid:894)(cid:1007)(cid:1007)(cid:1008)d(cid:895) Harming x makes x worse, so we must never harm anybody lest they become harmful. (335e) This does(cid:374)"t see(cid:373) like it (cid:374)ecessarily holds true i(cid:374) reality. Note that this returns to a conventional view not doing harm to anyone.
