Don't be discouraged. I think what I said is incorrect. What I should have said is that in logic a false premise implies everything so for instance F -> F is true. Which puzzles people. Although it is used ironically as in "If Trump is a genius then I'll go fly a kite".
Frank Frank Wimberly Phone (505) 670-9918 On Oct 3, 2017 11:11 PM, "Nick Thompson" <[email protected]> wrote: > Yes, well. I guess with respect to what you write below, it is time for > me to retire in disorder from the conversation, as I always seem to when > logic is under discussion. I do think that Peirce believed that, in the > fullness of time, sound reasoning should lead more often than its > alternative to expectations that are confirmed by experience. And I also > thought I had been taught that deductive reasoning can be valid, even when > none of its premises is true. But I seem to be putting these two ideas > together wrong. > > > > [sigh] I hate when that happens. > > > > Nick > > > > Nicholas S. Thompson > > Emeritus Professor of Psychology and Biology > > Clark University > > http://home.earthlink.net/~nickthompson/naturaldesigns/ > > > > *From:* Friam [mailto:[email protected]] *On Behalf Of *Frank > Wimberly > *Sent:* Tuesday, October 03, 2017 9:07 PM > *To:* The Friday Morning Applied Complexity Coffee Group < > [email protected]> > *Subject:* Re: [FRIAM] AI and argument > > > > >But to the extent that we were talking about logic, is not logic the > formalization of good thought? > > > > Not necessarily. For instance: "If A then B implies A" is logically > valid but most people would feel that it's stupid thinking. "Every > statement implies a true statement" is true if you look at the truth table > but this illustrates the difference between propositional calculus and > natural language. I suspect you mean sound reasoning by "good thought". > > > > Is that responsive to your question? > > > > Frank > > > > > > Frank Wimberly > Phone (505) 670-9918 > > > > On Oct 3, 2017 8:52 PM, "Nick Thompson" <[email protected]> > wrote: > > Well, as a Peircean, I am certainly NOT allowed to believe that all valid > logic is deductive, so Got Me There! > > But to the extent that we were talking about logic, is not logic the > formalization of good thought? So, then, it behooves one who would claim > that an argument is logic to formalize it. So, in which logical world (if > not deductive logic) does the statement that Einstein is usually right lead > directly, without an intervening premise, to the conclusion that I should > provisionally believe him. I think the argument IS deductive (in this > case) and that the suppressed premise is that I should treat all people who > are usually right provisionally as authorities. (i.e., as people to be > believed until contrary evidence teaches us otherwise. ) > > n > > Nicholas S. Thompson > Emeritus Professor of Psychology and Biology > Clark University > http://home.earthlink.net/~nickthompson/naturaldesigns/ > > > -----Original Message----- > From: Friam [mailto:[email protected]] On Behalf Of g??? ? > Sent: Tuesday, October 03, 2017 6:30 PM > To: FriAM <[email protected]> > Subject: Re: [FRIAM] AI and argument > > Hm. My example is simply an argument that I do NOT think succumbs to that > fallacy. Einstein is a reliable, but not completely unchallengeable, > authority. And if he is challenged, we can dig into the theory to find our > own reasoning. > > I'm curious if you believe all argument/reasoning can be *accurately* > formalized? Worse yet, do you believe that all argument can be reduced to > deduction? > > > On 10/03/2017 05:13 PM, Nick Thompson wrote: > > Aren't you missing a premise, if you are seeking a valid deductive > argument? > > > > What connects Albert's thought with your conclusion? > > -- > ☣ gⅼеɳ > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe > http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove >
============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove
