Bruno Marchal wrote:
> Le 17-mars-06, à 00:10, [EMAIL PROTECTED] a écrit : > > > Dualism says there are two really existing realms or substances. > > This is Descartes' dualism between mind and body. > > > Saying the physical realm is concrete and real and the mathematical > > realm is abstract and unreal is not dualism. > > > > Well, it is not Descartes' dualism, but it is sometimes called Plato's > dualism, between the observable world and the invisible reality. No it isn't: Plato thought the physical and mathematical realms are both real, and the mathematical is the more real of the two. > Like you I prefer to keep the term of "dualism" for the cartesian one, > especially in the comp-or-weaker frame where the two notions interfere. > > > > > >> Both view seem to have their champions here. I guesse that > >> when saying "This has to be saying simply that the multiverse > >> IS a mathematical object." Tom ([EMAIL PROTECTED]) defends > >> the monist view as obvious and the only one making sense while > >> when saying "[The universe] has real existence, as opposed > >> to the other mathematical objects which are only abstract." > > > > Well, I've never seen a mathematical object. Have you > > ever seen the number 3? > > > Have you ever seen something material? Of course you can tell me: "oh > yes I have just seen a cup of coffee this morning". What makes you so > sure it is material? It is tangible, massive, etc. > We "see" only immaterial pictures, like in dream. No, we see things. We are not a little homunculus sitting inside our own heads. No such being has been detected. > We *infer* "matter", and today both reasonable theories (QM, comp) and > experiments (Aspect for example) put difficulties on the aristotelian > (stuffy) conception of matter. > > Bruno > > > > http://iridia.ulb.ac.be/~marchal/ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/everything-list -~----------~----~----~----~------~----~------~--~---

