> On 20 Dec 2018, at 01:14, Brent Meeker <[email protected]> wrote:
> 
> 
> 
> On 12/19/2018 9:06 AM, Bruno Marchal wrote:
>> Diophantine equation, which are provably equivalent with the two combinator 
>> law above. That is far longer to prove, of course, and this results comes 
>> from the 50 years of hard work by Putnam, Davis, Robinson (Juila), and 
>> Matiyasevic. The polynomial below if from Matiyasevic and Jones:
>> 
>> Nu = ((ZUY)^2 + U)^2 + Y 
>> 
>> ELG^2 + Al = (B - XY)Q^2
>> 
>> Qu = B^(5^60)
>> 
>> La + Qu^4 = 1 + LaB^5
>> 
>> Th +  2Z = B^5
>> 
>> L = U + TTh
>> 
>> E = Y + MTh
>> 
>> N = Q^16
>> 
>> R = [G + EQ^3 + LQ^5 + (2(E - ZLa)(1 + XB^5 + G)^4 + LaB^5 + + 
>> LaB^5Q^4)Q^4](N^2 -N)
>>          + [Q^3 -BL + L + ThLaQ^3 + (B^5 - 2)Q^5] (N^2 - 1)
>> 
>> P = 2W(S^2)(R^2)N^2
>> 
>> (P^2)K^2 - K^2 + 1 = Ta^2
>> 
>> 4(c - KSN^2)^2 + Et = K^2
>> 
>> K = R + 1 + HP - H
>> 
>> A = (WN^2 + 1)RSN^2
>> 
>> C = 2R + 1 Ph
>> 
>> D = BW + CA -2C + 4AGa -5Ga
>> 
>> D^2 = (A^2 - 1)C^2 + 1
>> 
>> F^2 = (A^2 - 1)(I^2)C^4 + 1
>> 
>> (D + OF)^2 = ((A + F^2(D^2 - A^2))^2 - 1)(2R + 1 + JC)^2 + 1
>> 
>> 
>> X and Nu are the only parameters. The rest are variables. That is a system 
>> of polynomials, which is Turing universal. For some value of Nu, it 
>> generates the prime numbers. For some other value of Nu, it simulates any 
>> digital computational process.
> 
> You mean it has X={primes} as solutions for some value of Nu?  So X is also a 
> variable.

OK.

Bruno



> 
> Brent
> 
>> 
>> Bruno
> 
> 
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