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Path: ...!weretis.net!feeder9.news.weretis.net!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: Richard Damon <richard@damon-family.org> Newsgroups: sci.logic,comp.theory Subject: Re: Minimal Logics in the 2020's: A Meteoric Rise --- eternal september failure Date: Mon, 8 Jul 2024 20:07:43 -0400 Organization: i2pn2 (i2pn.org) Message-ID: <7387a77d06e4b00a1c27a447e2744a4f10b25e49@i2pn2.org> References: <v67685$6fr5$1@solani.org> <v6cf9d$3viun$3@dont-email.me> <f22abb5f17f657bd1122de3c6339beadf4fb3e8f@i2pn2.org> <v6ch6a$13k$2@dont-email.me> <4ce79acf7c53160136f77603265cc1e5a5d3e34e@i2pn2.org> <v6cpnc$1b3m$2@dont-email.me> <9e59212316a9b258e95a1de7f5cca46fee37861e@i2pn2.org> <v6csla$1otr$2@dont-email.me> <3f12eb90be522441c8b95d17d25767fcaf72ed2d@i2pn2.org> <v6cvqs$5vir$2@dont-email.me> <efced1648cf7ddc1c257d7c4369add3b391dd005@i2pn2.org> <v6d2r0$6cgn$2@dont-email.me> <931fe5b1e73d204bf20a268dd025489e3040371d@i2pn2.org> <v6e5ho$bbcb$2@dont-email.me> <0f3e40caf51b61ebb05c4ec2ae44042bff632017@i2pn2.org> <v6el1u$e6tb$1@dont-email.me> <3c9ef913b1fbbca50c1a4acd02401906646327ed@i2pn2.org> <RpKdnUjg8sjx0Bb7nZ2dnZfqlJydnZ2d@giganews.com> <2d0b6260615af8afac79ee8de57bcd45c2f2056f@i2pn2.org> <v6fk9p$mr5k$1@dont-email.me> <8bd5f2159853ff17ef81b27a85141bccc324e7d9@i2pn2.org> <v6fkrb$mr5k$2@dont-email.me> <v6fl9a$mr5k$3@dont-email.me> <v6huj5$12ktu$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 9 Jul 2024 00:07:43 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="2621132"; mail-complaints-to="usenet@i2pn2.org"; posting-account="diqKR1lalukngNWEqoq9/uFtbkm5U+w3w6FQ0yesrXg"; User-Agent: Mozilla Thunderbird X-Spam-Checker-Version: SpamAssassin 4.0.0 Content-Language: en-US In-Reply-To: <v6huj5$12ktu$2@dont-email.me> Bytes: 4238 Lines: 77 On 7/8/24 8:00 PM, olcott wrote: > On 7/7/2024 10:09 PM, olcott wrote: >> On 7/7/2024 10:02 PM, olcott wrote: >>> >>> Formal logic is a subset of this. >>> Not-a-logic-sentence(PA,g) ≡ (~True(PA,g) ∧ ~True(PA,~g)) >>> There are no truth preserving operations in PA to g or to ~g >>> >> >> https://liarparadox.org/Tarski_275_276.pdf >> >> Within my analytical framework this Tarski sentence is merely >> self-contradictory >> >> (3) x ∉ Provable if and only if x ∈ True. // (1) and (2) combined >> >> There are no truth preserving operations in Tarski's >> theory to x if and only if There are truth preserving >> operations in Tarski's theory to x >> > > There cannot possibly be an infinite proof that proves > that there is no finite proof of Tarski x in Tarski's theory Who says there needs to be a infinite proof, since there is no such thing. As I said, one example of such an x is Godel's G. > > The infinite proof of the Goldbach conjecture > (if it is true) continues to find more true > cases than it had before, thus makes progress > towards its never ending goal (if its true). or, it continue to show that there is no counter examples. "Progress" on an infinite path isn't really measurable. > > The cycles in the following two cases never make any progress > towards any goal they are merely stuck in infinite loops. Which just means you are on the wrong path. One wrong path doesn't me that there is no path. > > The Prolog unify_with_occurs_check test means that > LP is stuck in an infinite loop that makes no progress > towards resolution. I invented Minimal Type Theory to > see this, then I noticed that Prolog does the same thing. Which is irrelevent, since Prolog can't handle the basics of the field that Traski assumes. > > ?- LP = not(true(LP)). > LP = not(true(LP)). > ?- unify_with_occurs_check(LP, not(true(LP))). > false. > > LP := ~(L ⊢ LP) > 00 ~ 01 > 01 ⊢ 01, 00 > 02 L > > The cycle in the direct graph of LP is > an infinite loop that make no progress > towards the goal of evaluating LP as > true or false. > > So? Failure to prove by example doesn't show something isn't true. You are just proving you are stupid and don't know what you are talking about.