TPTP Problem File: NUN063+2.p

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% File     : NUN063+2 : TPTP v8.2.0. Released v7.3.0.
% Domain   : Number Theory
% Problem  : Robinson arithmetic: There exist infinite primes
% Version  : Especial.
% English  :

% Refs     : [BBJ03] Boolos et al. (2003), Computability and Logic
%          : [Smi07] Smith (2007), An Introduction to Goedel's Theorems
%          : [Lam18] Lampert (2018), Email to Geoff Sutcliffe
% Source   : [Lam18]
% Names    : infprimes [Lam18]

% Status   : Unknown
% Rating   : 1.00 v7.3.0
% Syntax   : Number of formulae    :   12 (   0 unt;   0 def)
%            Number of atoms       :   90 (  37 equ)
%            Maximal formula atoms :   46 (   7 avg)
%            Number of connectives :  116 (  38   ~;  33   |;  45   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   8 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   0 prp; 1-3 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :   85 (  45   !;  40   ?)
% SPC      : FOF_THM_RFO_SEQ

% Comments : Translated to FOL with equality.
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include('Axioms/NUM008+0.ax').
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fof(infprimes,conjecture,
    ( ? [Y4] :
        ( ! [X1,X3] :
            ( ! [Y17] :
                ( ~ r4(X1,X3,Y17)
                | Y17 != Y4 )
            | ! [Y5,Y19] :
                ( ~ r3(X1,Y5,Y19)
                | Y19 != Y4 )
            | ! [Y6,Y18] :
                ( ~ r3(X3,Y6,Y18)
                | Y18 != Y4 )
            | ? [Y20] :
                ( X1 = Y20
                & ? [Y26] :
                    ( r1(Y26)
                    & r2(Y26,Y20) ) )
            | ? [Y21] :
                ( X3 = Y21
                & ? [Y27] :
                    ( r1(Y27)
                    & r2(Y27,Y21) ) ) )
        & ! [Y28] :
            ( ~ r1(Y28)
            | Y4 != Y28 ) )
    & ! [X2] :
        ( ? [X4,X6] :
            ( ! [Y22] :
                ( ! [Y29] :
                    ( ~ r1(Y29)
                    | ~ r2(Y29,Y22) )
                | X4 != Y22 )
            & ! [Y23] :
                ( ! [Y30] :
                    ( ~ r1(Y30)
                    | ~ r2(Y30,Y23) )
                | X6 != Y23 )
            & ? [Y14] :
                ( r4(X4,X6,Y14)
                & Y14 = X2 )
            & ? [Y1,Y16] :
                ( r3(X4,Y1,Y16)
                & Y16 = X2 )
            & ? [Y2,Y15] :
                ( r3(X6,Y2,Y15)
                & Y15 = X2 ) )
        | ? [Y31] :
            ( r1(Y31)
            & X2 = Y31 )
        | ? [Y3] :
            ( ! [X5,X7] :
                ( ! [Y10] :
                    ( ~ r4(X5,X7,Y10)
                    | Y10 != Y3 )
                | ! [Y7,Y12] :
                    ( ~ r3(X5,Y7,Y12)
                    | Y12 != Y3 )
                | ! [Y8,Y11] :
                    ( ~ r3(X7,Y8,Y11)
                    | Y11 != Y3 )
                | ? [Y24] :
                    ( X5 = Y24
                    & ? [Y33] :
                        ( r1(Y33)
                        & r2(Y33,Y24) ) )
                | ? [Y25] :
                    ( X7 = Y25
                    & ? [Y34] :
                        ( r1(Y34)
                        & r2(Y34,Y25) ) ) )
            & ! [Y35] :
                ( ~ r1(Y35)
                | Y3 != Y35 )
            & ? [Y9] :
                ( ! [Y32] :
                    ( ~ r1(Y32)
                    | Y9 != Y32 )
                & ? [Y13] :
                    ( r3(X2,Y9,Y13)
                    & Y13 = Y3 ) ) ) ) ) ).

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