Frank Wimberly Phone (505) 670-9918 ---------- Forwarded message ---------- From: "Frank Wimberly" <wimber...@gmail.com> Date: Sep 22, 2017 8:25 AM Subject: RE: [FRIAM] Doxastic logic - Wikipedia To: "Thompson, Nicholas" <nickthomp...@earthlink.net> Cc:
It depends on what the meaning of the word "is" is. Seriously, I'll attempt a better answer soon. Frank Frank Wimberly Phone (505) 670-9918 On Sep 22, 2017 8:20 AM, "Nick Thompson" <nickthomp...@earthlink.net> wrote: > All right. I admit it. I know ABSOLUTELY NOTHING about logic. > > Frank, can you help me out here? My concession here was that in Peirce's > world, the relation of belief to action is analytical .... i.e. arises > directly from the definitions of terms. I thought this was a big > concession, because propositions that arise analystically aren't very > interesting, and I was confessing to having said something not very > interesting. Unfortunately, this crowd does not want me to get a way EVEN > with that concession. > > I was TRYING to write a tautology. So I guess I should have written, "X > is Y; therefore, X is Y. Is THAT a tautology. I know you have tried to > explain this to me before. > > I have CLEARLY gotten myself WAY in over my head, here. > > Thanks, > > Nick > > Nicholas S. Thompson > Emeritus Professor of Psychology and Biology > Clark University > http://home.earthlink.net/~nickthompson/naturaldesigns/ > > > -----Original Message----- > From: Friam [mailto:friam-boun...@redfish.com] On Behalf Of ?glen? > Sent: Friday, September 22, 2017 6:17 AM > To: friam@redfish.com > Subject: Re: [FRIAM] Doxastic logic - Wikipedia > > > On 09/21/2017 08:27 PM, Nick Thompson wrote: > > */[NST==> Is there any logic in which, “Let X be Y; therefore X is Y” > > is not entailed. If a belief is defined as that upon which one is > > prepared to act, is there any logic in which acting does not imply > > belief? <==nst] /* > > Of course. E.g. modal logics allow different types of "therefore", say > ⊨_a and ⊨_b. Then it might be true that "Let X be Y ⊨_a X is Y" but > false that "Let X be Y ⊨_b X is Y". Similarly, I can imagine a logic > where "be" and "is" mean different things. > > > On 09/21/2017 05:00 PM, gⅼеɳ ☣ wrote: > > Yes, of course. E.g. Since most of my actions involve very tight > feedback loops, something like tossing a ball to a friend can be launched > and then I can make attempts to abort it if, say, I notice the friend has > looked away. > > > > */[NST==>Wouldn’t the best way to analyze this be as a series of > > “micro” beliefs? <==nst] /* > > What is a "micro" belief? The whole point of my response was that you are > over-simplifying both belief and action in order to tell a "just so story" > and force the story to fit your philosophy. It seems reasonable to me that > if actions are decomposable, then so would be beliefs because there's no > difference between beliefs and actions. > > But you are saying something different. Somehow, to you, beliefs are > different from actions. > > > > */[NST==>I think a body can enact conflicting beliefs at the same > > time, but that is because I am comfortable with the idea that that the > > same body can simultaneously act on two different belief systems. CF > > Freud, slips of the tongue, hysteria, etc. Frank will correct me. /* > > You're implying that, although bodies are composite, belief systems are > unitary. If the same body can do 2 conflicting things, why can't the same > belief system be composed of 2 conflicting things? This is why I raised > the idea of paraconsistent, defeasible, and higher order logics. > Specifically _those_ types. > > Why do you treat belief systems as fundamentally different from physical > systems? > > -- > ␦glen? > > ============================================================ > 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