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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Ben Bacarisse <ben@bsb.me.uk> Newsgroups: sci.math Subject: Re: Proof of P and NP Date: Sat, 24 May 2025 01:15:22 +0100 Organization: A noiseless patient Spider Lines: 40 Message-ID: <87sekux3s5.fsf@bsb.me.uk> References: <KK7YP.90246$0DKa.14076@fx14.iad> MIME-Version: 1.0 Content-Type: text/plain Injection-Date: Sat, 24 May 2025 02:15:22 +0200 (CEST) Injection-Info: dont-email.me; posting-host="e251f1335b67f58efa9af8dd627a69d5"; logging-data="361762"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/PcCcMiLlwZbjVFcOwaDepzF9G9nJXouc=" User-Agent: Gnus/5.13 (Gnus v5.13) Cancel-Lock: sha1:a3iTczzN1KfYOerelMk9+RsO/f0= sha1:ClxluGRinP0krG4E42oyX5E5VGY= X-BSB-Auth: 1.f9853ff8d3275f2142b1.20250524011522BST.87sekux3s5.fsf@bsb.me.uk Bytes: 1931 Suresh Devanathan <idatarm@NOJUNKgmx.com> writes: > Suppose you are trying to solve a Boolean satisfiability problem C[x]. Now > convert the problem into probabilistic domain. > > For probability vector x > C[x] = p > = p + 0*K*(B - p) > = lim K->infinity p + 1/K*K(B- p) > = B > > > For friend > in case a satisfiability, B = 1 > in case untestable, assume x_n= 0.5, B = 0 > > For enemy, > in case a satisfiability, B = 0 > in case untestable, assume x_n = 0.5, B = 1 > > > since by cook's thesis, even in 1 problem in NP proven to be P , every > problem proven P. Not right. If a problem proven to be NP-complete is shown to be in P, then P = NP. > If > reverse result is always true of enemy, the number of permutation is at > least as great as 2^N > where N is number of inputs, showing problem is be NP. The problem must be NP-complete, not just in NP. > complete proof Not yet. -- Ben.