> On 1 Nov 2018, at 19:59, Philip Thrift <cloudver...@gmail.com> wrote: > > > > On Thursday, November 1, 2018 at 1:44:19 PM UTC-5, John Clark wrote: > > On Thu, Nov 1, 2018 at 2:27 PM Philip Thrift <cloud...@gmail.com > <javascript:>> wrote: > > > infinite time Turing machines are more powerful than ordinary Turing > > machines > > That is true, it is also true that if dragons existed they would be dangerous > and if I had some cream I could have strawberries and cream, if I had some > strawberries. > > > How "real" you think this is depends on whether you are a Platonist or a > > fictionalist. > > No, it depends on if you think logical contradictions can exist, if they can > then there is no point in reading any mathematical proof and logic is no > longer a useful tool for anything. > > John K Clark > > > > Of course logics are fiction too. (They're just languages after all.)

There is a logical language, but that is different from a logical theory. It is important to distinguish the languages from the theories, and the theories from the models/interpretations. Bruno > > - pt > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-list+unsubscr...@googlegroups.com > <mailto:everything-list+unsubscr...@googlegroups.com>. > To post to this group, send email to everything-list@googlegroups.com > <mailto:everything-list@googlegroups.com>. > Visit this group at https://groups.google.com/group/everything-list > <https://groups.google.com/group/everything-list>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.