Dear John list,
Who, then, studies the real goal? Best, Jerry R On Fri, Jul 27, 2018 at 9:16 PM, John F Sowa <[email protected]> wrote: > Helmut, Auke, and Jerry, > > HR > >> what does "normative" mean? >> > > Note what Auke said: > >> Don’t confuse mathematical logic with normative logic. >> > > See the attached cspsci.gif, which shows Peirce's classification > of the sciences. Note that the word 'logic' appears in two places: > > 1. On the left, formal logic is a branch of pure mathematics. > In that sense, it is treated as pure theory that is independent > of any application to any subject for any purpose. It doesn't > make any value judgments about the two truth values {T,F}. > > 2. In the middle, logic is used as a normative science to > determine how people should reason in order to distinguish > truth from falsity. > > JLRC > >> For normative science in general being the science of the laws of >>> conformity of things to ends, esthetics considers those things whose >>> ends are to embody qualities of feeling, ethics those things whose >>> ends lie in action, and logic those things whose end is to represent >>> something. (CP 5.121-124&129, EP 2:196-197&200; 1903) >>> >> >> This is, perhaps, the most remarkable characterization of logic >> I have ever read! >> > > It would be unusual as a definition of a formal logic. But Peirce > was discussing normative logic as a subject that depends on ethics > and esthetics to make value judgments about truth and falsity. > > HR > >> what is the separating difference between "relation to ends" >> and "reality" >> > > The word 'ends' is ambiguous. In this use, Peirce is not talking > about a spatial end point, but as the final goal or purpose of > some action. For a modern audience, it would be better to use > the word 'goal' or 'purpose'. > > Re: The distinction of "relation to ends" and "reality": > > The natural sciences study reality (what there is). > The normative sciences study goals (what should be). > > John > > > ----------------------------- > PEIRCE-L subscribers: Click on "Reply List" or "Reply All" to REPLY ON > PEIRCE-L to this message. PEIRCE-L posts should go to > [email protected] . To UNSUBSCRIBE, send a message not to PEIRCE-L > but to [email protected] with the line "UNSubscribe PEIRCE-L" in the > BODY of the message. More at http://www.cspeirce.com/peirce-l/peirce-l.htm > . > > > > > >
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