TSTP Solution File: MGT056+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : MGT056+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n007.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed May 31 12:21:25 EDT 2023

% Result   : Theorem 0.07s 0.27s
% Output   : CNFRefutation 0.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   24
% Syntax   : Number of formulae    :  124 (  15 unt;   0 def)
%            Number of atoms       :  371 (  48 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  384 ( 137   ~; 158   |;  63   &)
%                                         (  19 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :   23 (  21 usr;  15 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   7 con; 0-2 aty)
%            Number of variables   :  122 (; 115   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X,Y] :
      ( smaller_or_equal(X,Y)
    <=> ( smaller(X,Y)
        | X = Y ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [X,Y] :
      ( greater_or_equal(X,Y)
    <=> ( greater(X,Y)
        | X = Y ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Y] :
      ( smaller(X,Y)
    <=> greater(Y,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X,Y] :
      ~ ( greater(X,Y)
        & greater(Y,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [X,Y,Z] :
      ( ( greater(X,Y)
        & greater(Y,Z) )
     => greater(X,Z) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [X,Y] :
      ( smaller(X,Y)
      | X = Y
      | greater(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [X] :
      ( has_endowment(X)
    <=> ! [T] :
          ( organization(X)
          & ( smaller_or_equal(age(X,T),eta)
           => has_immunity(X,T) )
          & ( greater(age(X,T),eta)
           => ~ has_immunity(X,T) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [X,T0,T] :
      ( ( organization(X)
        & has_immunity(X,T0)
        & has_immunity(X,T) )
     => hazard_of_mortality(X,T0) = hazard_of_mortality(X,T) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [X,T0,T] :
      ( ( organization(X)
        & has_immunity(X,T0)
        & ~ has_immunity(X,T) )
     => greater(hazard_of_mortality(X,T),hazard_of_mortality(X,T0)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f10,conjecture,
    ! [X,T0,T1,T2] :
      ( ( organization(X)
        & has_endowment(X)
        & age(X,T0) = zero
        & smaller_or_equal(age(X,T1),eta)
        & greater(age(X,T2),eta)
        & greater_or_equal(eta,sigma)
        & greater(sigma,zero) )
     => ( greater(hazard_of_mortality(X,T2),hazard_of_mortality(X,T1))
        & hazard_of_mortality(X,T1) = hazard_of_mortality(X,T0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f11,negated_conjecture,
    ~ ! [X,T0,T1,T2] :
        ( ( organization(X)
          & has_endowment(X)
          & age(X,T0) = zero
          & smaller_or_equal(age(X,T1),eta)
          & greater(age(X,T2),eta)
          & greater_or_equal(eta,sigma)
          & greater(sigma,zero) )
       => ( greater(hazard_of_mortality(X,T2),hazard_of_mortality(X,T1))
          & hazard_of_mortality(X,T1) = hazard_of_mortality(X,T0) ) ),
    inference(negated_conjecture,[status(cth)],[f10]) ).

fof(f12,plain,
    ! [X,Y] :
      ( ( ~ smaller_or_equal(X,Y)
        | smaller(X,Y)
        | X = Y )
      & ( smaller_or_equal(X,Y)
        | ( ~ smaller(X,Y)
          & X != Y ) ) ),
    inference(NNF_transformation,[status(esa)],[f1]) ).

fof(f13,plain,
    ( ! [X,Y] :
        ( ~ smaller_or_equal(X,Y)
        | smaller(X,Y)
        | X = Y )
    & ! [X,Y] :
        ( smaller_or_equal(X,Y)
        | ( ~ smaller(X,Y)
          & X != Y ) ) ),
    inference(miniscoping,[status(esa)],[f12]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( ~ smaller_or_equal(X0,X1)
      | smaller(X0,X1)
      | X0 = X1 ),
    inference(cnf_transformation,[status(esa)],[f13]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( smaller_or_equal(X0,X1)
      | ~ smaller(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f13]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( smaller_or_equal(X0,X1)
      | X0 != X1 ),
    inference(cnf_transformation,[status(esa)],[f13]) ).

fof(f17,plain,
    ! [X,Y] :
      ( ( ~ greater_or_equal(X,Y)
        | greater(X,Y)
        | X = Y )
      & ( greater_or_equal(X,Y)
        | ( ~ greater(X,Y)
          & X != Y ) ) ),
    inference(NNF_transformation,[status(esa)],[f2]) ).

fof(f18,plain,
    ( ! [X,Y] :
        ( ~ greater_or_equal(X,Y)
        | greater(X,Y)
        | X = Y )
    & ! [X,Y] :
        ( greater_or_equal(X,Y)
        | ( ~ greater(X,Y)
          & X != Y ) ) ),
    inference(miniscoping,[status(esa)],[f17]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( ~ greater_or_equal(X0,X1)
      | greater(X0,X1)
      | X0 = X1 ),
    inference(cnf_transformation,[status(esa)],[f18]) ).

fof(f22,plain,
    ! [X,Y] :
      ( ( ~ smaller(X,Y)
        | greater(Y,X) )
      & ( smaller(X,Y)
        | ~ greater(Y,X) ) ),
    inference(NNF_transformation,[status(esa)],[f3]) ).

fof(f23,plain,
    ( ! [X,Y] :
        ( ~ smaller(X,Y)
        | greater(Y,X) )
    & ! [X,Y] :
        ( smaller(X,Y)
        | ~ greater(Y,X) ) ),
    inference(miniscoping,[status(esa)],[f22]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ~ smaller(X0,X1)
      | greater(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f23]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( smaller(X0,X1)
      | ~ greater(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f23]) ).

fof(f26,plain,
    ! [X,Y] :
      ( ~ greater(X,Y)
      | ~ greater(Y,X) ),
    inference(pre_NNF_transformation,[status(esa)],[f4]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | ~ greater(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f26]) ).

fof(f28,plain,
    ! [X,Y,Z] :
      ( ~ greater(X,Y)
      | ~ greater(Y,Z)
      | greater(X,Z) ),
    inference(pre_NNF_transformation,[status(esa)],[f5]) ).

fof(f29,plain,
    ! [X,Z] :
      ( ! [Y] :
          ( ~ greater(X,Y)
          | ~ greater(Y,Z) )
      | greater(X,Z) ),
    inference(miniscoping,[status(esa)],[f28]) ).

fof(f30,plain,
    ! [X0,X1,X2] :
      ( ~ greater(X0,X1)
      | ~ greater(X1,X2)
      | greater(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f29]) ).

fof(f31,plain,
    ! [X0,X1] :
      ( smaller(X0,X1)
      | X0 = X1
      | greater(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f32,plain,
    ! [X] :
      ( has_endowment(X)
    <=> ! [T] :
          ( organization(X)
          & ( ~ smaller_or_equal(age(X,T),eta)
            | has_immunity(X,T) )
          & ( ~ greater(age(X,T),eta)
            | ~ has_immunity(X,T) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f7]) ).

fof(f33,plain,
    ! [X] :
      ( ( ~ has_endowment(X)
        | ! [T] :
            ( organization(X)
            & ( ~ smaller_or_equal(age(X,T),eta)
              | has_immunity(X,T) )
            & ( ~ greater(age(X,T),eta)
              | ~ has_immunity(X,T) ) ) )
      & ( has_endowment(X)
        | ? [T] :
            ( ~ organization(X)
            | ( smaller_or_equal(age(X,T),eta)
              & ~ has_immunity(X,T) )
            | ( greater(age(X,T),eta)
              & has_immunity(X,T) ) ) ) ),
    inference(NNF_transformation,[status(esa)],[f32]) ).

fof(f34,plain,
    ( ! [X] :
        ( ~ has_endowment(X)
        | ( organization(X)
          & ! [T] :
              ( ~ smaller_or_equal(age(X,T),eta)
              | has_immunity(X,T) )
          & ! [T] :
              ( ~ greater(age(X,T),eta)
              | ~ has_immunity(X,T) ) ) )
    & ! [X] :
        ( has_endowment(X)
        | ~ organization(X)
        | ? [T] :
            ( smaller_or_equal(age(X,T),eta)
            & ~ has_immunity(X,T) )
        | ? [T] :
            ( greater(age(X,T),eta)
            & has_immunity(X,T) ) ) ),
    inference(miniscoping,[status(esa)],[f33]) ).

fof(f35,plain,
    ( ! [X] :
        ( ~ has_endowment(X)
        | ( organization(X)
          & ! [T] :
              ( ~ smaller_or_equal(age(X,T),eta)
              | has_immunity(X,T) )
          & ! [T] :
              ( ~ greater(age(X,T),eta)
              | ~ has_immunity(X,T) ) ) )
    & ! [X] :
        ( has_endowment(X)
        | ~ organization(X)
        | ( smaller_or_equal(age(X,sk0_0(X)),eta)
          & ~ has_immunity(X,sk0_0(X)) )
        | ( greater(age(X,sk0_1(X)),eta)
          & has_immunity(X,sk0_1(X)) ) ) ),
    inference(skolemization,[status(esa)],[f34]) ).

fof(f37,plain,
    ! [X0,X1] :
      ( ~ has_endowment(X0)
      | ~ smaller_or_equal(age(X0,X1),eta)
      | has_immunity(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f35]) ).

fof(f38,plain,
    ! [X0,X1] :
      ( ~ has_endowment(X0)
      | ~ greater(age(X0,X1),eta)
      | ~ has_immunity(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f35]) ).

fof(f43,plain,
    ! [X,T0,T] :
      ( ~ organization(X)
      | ~ has_immunity(X,T0)
      | ~ has_immunity(X,T)
      | hazard_of_mortality(X,T0) = hazard_of_mortality(X,T) ),
    inference(pre_NNF_transformation,[status(esa)],[f8]) ).

fof(f44,plain,
    ! [X0,X1,X2] :
      ( ~ organization(X0)
      | ~ has_immunity(X0,X1)
      | ~ has_immunity(X0,X2)
      | hazard_of_mortality(X0,X1) = hazard_of_mortality(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f43]) ).

fof(f45,plain,
    ! [X,T0,T] :
      ( ~ organization(X)
      | ~ has_immunity(X,T0)
      | has_immunity(X,T)
      | greater(hazard_of_mortality(X,T),hazard_of_mortality(X,T0)) ),
    inference(pre_NNF_transformation,[status(esa)],[f9]) ).

fof(f46,plain,
    ! [X0,X1,X2] :
      ( ~ organization(X0)
      | ~ has_immunity(X0,X1)
      | has_immunity(X0,X2)
      | greater(hazard_of_mortality(X0,X2),hazard_of_mortality(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f45]) ).

fof(f47,plain,
    ? [X,T0,T1,T2] :
      ( organization(X)
      & has_endowment(X)
      & age(X,T0) = zero
      & smaller_or_equal(age(X,T1),eta)
      & greater(age(X,T2),eta)
      & greater_or_equal(eta,sigma)
      & greater(sigma,zero)
      & ( ~ greater(hazard_of_mortality(X,T2),hazard_of_mortality(X,T1))
        | hazard_of_mortality(X,T1) != hazard_of_mortality(X,T0) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f11]) ).

fof(f48,plain,
    ( organization(sk0_2)
    & has_endowment(sk0_2)
    & age(sk0_2,sk0_3) = zero
    & smaller_or_equal(age(sk0_2,sk0_4),eta)
    & greater(age(sk0_2,sk0_5),eta)
    & greater_or_equal(eta,sigma)
    & greater(sigma,zero)
    & ( ~ greater(hazard_of_mortality(sk0_2,sk0_5),hazard_of_mortality(sk0_2,sk0_4))
      | hazard_of_mortality(sk0_2,sk0_4) != hazard_of_mortality(sk0_2,sk0_3) ) ),
    inference(skolemization,[status(esa)],[f47]) ).

fof(f49,plain,
    organization(sk0_2),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f50,plain,
    has_endowment(sk0_2),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f51,plain,
    age(sk0_2,sk0_3) = zero,
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f52,plain,
    smaller_or_equal(age(sk0_2,sk0_4),eta),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f53,plain,
    greater(age(sk0_2,sk0_5),eta),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f54,plain,
    greater_or_equal(eta,sigma),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f55,plain,
    greater(sigma,zero),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f56,plain,
    ( ~ greater(hazard_of_mortality(sk0_2,sk0_5),hazard_of_mortality(sk0_2,sk0_4))
    | hazard_of_mortality(sk0_2,sk0_4) != hazard_of_mortality(sk0_2,sk0_3) ),
    inference(cnf_transformation,[status(esa)],[f48]) ).

fof(f57,plain,
    ( spl0_0
  <=> greater(hazard_of_mortality(sk0_2,sk0_5),hazard_of_mortality(sk0_2,sk0_4)) ),
    introduced(split_symbol_definition) ).

fof(f59,plain,
    ( ~ greater(hazard_of_mortality(sk0_2,sk0_5),hazard_of_mortality(sk0_2,sk0_4))
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f57]) ).

fof(f60,plain,
    ( spl0_1
  <=> hazard_of_mortality(sk0_2,sk0_4) = hazard_of_mortality(sk0_2,sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f62,plain,
    ( hazard_of_mortality(sk0_2,sk0_4) != hazard_of_mortality(sk0_2,sk0_3)
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f60]) ).

fof(f63,plain,
    ( ~ spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f56,f57,f60]) ).

fof(f64,plain,
    ! [X0] : smaller_or_equal(X0,X0),
    inference(destructive_equality_resolution,[status(esa)],[f16]) ).

fof(f68,plain,
    ~ greater(zero,sigma),
    inference(resolution,[status(thm)],[f27,f55]) ).

fof(f72,plain,
    ( spl0_3
  <=> sigma = zero ),
    introduced(split_symbol_definition) ).

fof(f73,plain,
    ( sigma = zero
    | ~ spl0_3 ),
    inference(component_clause,[status(thm)],[f72]) ).

fof(f77,plain,
    ( spl0_4
  <=> greater(eta,sigma) ),
    introduced(split_symbol_definition) ).

fof(f78,plain,
    ( greater(eta,sigma)
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f77]) ).

fof(f80,plain,
    ( spl0_5
  <=> eta = sigma ),
    introduced(split_symbol_definition) ).

fof(f81,plain,
    ( eta = sigma
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f80]) ).

fof(f83,plain,
    ( greater(eta,sigma)
    | eta = sigma ),
    inference(resolution,[status(thm)],[f19,f54]) ).

fof(f84,plain,
    ( spl0_4
    | spl0_5 ),
    inference(split_clause,[status(thm)],[f83,f77,f80]) ).

fof(f88,plain,
    ! [X0] :
      ( ~ greater(X0,sigma)
      | greater(X0,zero) ),
    inference(resolution,[status(thm)],[f30,f55]) ).

fof(f89,plain,
    ( spl0_6
  <=> has_endowment(sk0_2) ),
    introduced(split_symbol_definition) ).

fof(f91,plain,
    ( ~ has_endowment(sk0_2)
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f89]) ).

fof(f92,plain,
    ( spl0_7
  <=> has_immunity(sk0_2,sk0_4) ),
    introduced(split_symbol_definition) ).

fof(f95,plain,
    ( ~ has_endowment(sk0_2)
    | has_immunity(sk0_2,sk0_4) ),
    inference(resolution,[status(thm)],[f37,f52]) ).

fof(f96,plain,
    ( ~ spl0_6
    | spl0_7 ),
    inference(split_clause,[status(thm)],[f95,f89,f92]) ).

fof(f97,plain,
    ( spl0_8
  <=> smaller_or_equal(zero,eta) ),
    introduced(split_symbol_definition) ).

fof(f99,plain,
    ( ~ smaller_or_equal(zero,eta)
    | spl0_8 ),
    inference(component_clause,[status(thm)],[f97]) ).

fof(f100,plain,
    ( spl0_9
  <=> has_immunity(sk0_2,sk0_3) ),
    introduced(split_symbol_definition) ).

fof(f103,plain,
    ( ~ has_endowment(sk0_2)
    | ~ smaller_or_equal(zero,eta)
    | has_immunity(sk0_2,sk0_3) ),
    inference(paramodulation,[status(thm)],[f51,f37]) ).

fof(f104,plain,
    ( ~ spl0_6
    | ~ spl0_8
    | spl0_9 ),
    inference(split_clause,[status(thm)],[f103,f89,f97,f100]) ).

fof(f105,plain,
    ( $false
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f91,f50]) ).

fof(f106,plain,
    spl0_6,
    inference(contradiction_clause,[status(thm)],[f105]) ).

fof(f108,plain,
    smaller(zero,sigma),
    inference(resolution,[status(thm)],[f25,f55]) ).

fof(f110,plain,
    smaller_or_equal(zero,sigma),
    inference(resolution,[status(thm)],[f108,f15]) ).

fof(f111,plain,
    ( spl0_10
  <=> smaller(zero,sigma) ),
    introduced(split_symbol_definition) ).

fof(f112,plain,
    ( smaller(zero,sigma)
    | ~ spl0_10 ),
    inference(component_clause,[status(thm)],[f111]) ).

fof(f114,plain,
    ( smaller(zero,sigma)
    | zero = sigma ),
    inference(resolution,[status(thm)],[f14,f110]) ).

fof(f115,plain,
    ( spl0_10
    | spl0_3 ),
    inference(split_clause,[status(thm)],[f114,f111,f72]) ).

fof(f134,plain,
    ! [X0,X1] :
      ( smaller(X0,X1)
      | X0 = X1
      | smaller(X1,X0) ),
    inference(resolution,[status(thm)],[f31,f25]) ).

fof(f143,plain,
    ! [X0] :
      ( greater(X0,zero)
      | smaller(X0,sigma)
      | X0 = sigma ),
    inference(resolution,[status(thm)],[f88,f31]) ).

fof(f147,plain,
    ! [X0,X1] :
      ( smaller(X0,X1)
      | X0 = X1
      | smaller_or_equal(X1,X0) ),
    inference(resolution,[status(thm)],[f134,f15]) ).

fof(f152,plain,
    ! [X0,X1] :
      ( X0 = X1
      | smaller_or_equal(X1,X0)
      | greater(X1,X0) ),
    inference(resolution,[status(thm)],[f147,f24]) ).

fof(f169,plain,
    ( spl0_18
  <=> has_immunity(sk0_2,sk0_5) ),
    introduced(split_symbol_definition) ).

fof(f172,plain,
    ( ~ has_endowment(sk0_2)
    | ~ has_immunity(sk0_2,sk0_5) ),
    inference(resolution,[status(thm)],[f38,f53]) ).

fof(f173,plain,
    ( ~ spl0_6
    | ~ spl0_18 ),
    inference(split_clause,[status(thm)],[f172,f89,f169]) ).

fof(f176,plain,
    ( spl0_19
  <=> greater(zero,eta) ),
    introduced(split_symbol_definition) ).

fof(f177,plain,
    ( greater(zero,eta)
    | ~ spl0_19 ),
    inference(component_clause,[status(thm)],[f176]) ).

fof(f178,plain,
    ( ~ greater(zero,eta)
    | spl0_19 ),
    inference(component_clause,[status(thm)],[f176]) ).

fof(f188,plain,
    ( ~ greater(zero,zero)
    | ~ spl0_3 ),
    inference(backward_demodulation,[status(thm)],[f73,f68]) ).

fof(f190,plain,
    ( greater(zero,zero)
    | ~ spl0_3 ),
    inference(backward_demodulation,[status(thm)],[f73,f55]) ).

fof(f210,plain,
    ( spl0_23
  <=> eta = zero ),
    introduced(split_symbol_definition) ).

fof(f211,plain,
    ( eta = zero
    | ~ spl0_23 ),
    inference(component_clause,[status(thm)],[f210]) ).

fof(f213,plain,
    ( eta = zero
    | smaller_or_equal(zero,eta)
    | spl0_19 ),
    inference(resolution,[status(thm)],[f178,f152]) ).

fof(f214,plain,
    ( spl0_23
    | spl0_8
    | spl0_19 ),
    inference(split_clause,[status(thm)],[f213,f210,f97,f176]) ).

fof(f221,plain,
    ( ~ smaller_or_equal(eta,eta)
    | ~ spl0_23
    | spl0_8 ),
    inference(backward_demodulation,[status(thm)],[f211,f99]) ).

fof(f222,plain,
    ( $false
    | ~ spl0_23
    | spl0_8 ),
    inference(forward_subsumption_resolution,[status(thm)],[f221,f64]) ).

fof(f223,plain,
    ( ~ spl0_23
    | spl0_8 ),
    inference(contradiction_clause,[status(thm)],[f222]) ).

fof(f240,plain,
    ( $false
    | ~ spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f190,f188]) ).

fof(f241,plain,
    ~ spl0_3,
    inference(contradiction_clause,[status(thm)],[f240]) ).

fof(f244,plain,
    ( ~ greater(eta,zero)
    | ~ spl0_19 ),
    inference(resolution,[status(thm)],[f177,f27]) ).

fof(f250,plain,
    ( greater(sigma,zero)
    | ~ spl0_10 ),
    inference(resolution,[status(thm)],[f112,f24]) ).

fof(f287,plain,
    ( greater(eta,zero)
    | ~ spl0_5
    | ~ spl0_10 ),
    inference(backward_demodulation,[status(thm)],[f81,f250]) ).

fof(f288,plain,
    ( $false
    | ~ spl0_19
    | ~ spl0_5
    | ~ spl0_10 ),
    inference(forward_subsumption_resolution,[status(thm)],[f287,f244]) ).

fof(f289,plain,
    ( ~ spl0_19
    | ~ spl0_5
    | ~ spl0_10 ),
    inference(contradiction_clause,[status(thm)],[f288]) ).

fof(f352,plain,
    ! [X0] :
      ( smaller(X0,sigma)
      | X0 = sigma
      | smaller(zero,X0) ),
    inference(resolution,[status(thm)],[f143,f25]) ).

fof(f361,plain,
    ( spl0_34
  <=> organization(sk0_2) ),
    introduced(split_symbol_definition) ).

fof(f363,plain,
    ( ~ organization(sk0_2)
    | spl0_34 ),
    inference(component_clause,[status(thm)],[f361]) ).

fof(f364,plain,
    ( ~ organization(sk0_2)
    | ~ has_immunity(sk0_2,sk0_4)
    | ~ has_immunity(sk0_2,sk0_3)
    | spl0_1 ),
    inference(resolution,[status(thm)],[f44,f62]) ).

fof(f365,plain,
    ( ~ spl0_34
    | ~ spl0_7
    | ~ spl0_9
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f364,f361,f92,f100,f60]) ).

fof(f368,plain,
    ( $false
    | spl0_34 ),
    inference(forward_subsumption_resolution,[status(thm)],[f363,f49]) ).

fof(f369,plain,
    spl0_34,
    inference(contradiction_clause,[status(thm)],[f368]) ).

fof(f377,plain,
    ! [X0] :
      ( smaller(X0,sigma)
      | X0 = sigma
      | smaller_or_equal(zero,X0) ),
    inference(resolution,[status(thm)],[f352,f15]) ).

fof(f394,plain,
    ! [X0] :
      ( X0 = sigma
      | smaller_or_equal(zero,X0)
      | greater(sigma,X0) ),
    inference(resolution,[status(thm)],[f377,f24]) ).

fof(f406,plain,
    ! [X0] :
      ( X0 = sigma
      | smaller_or_equal(zero,X0)
      | ~ greater(X0,sigma) ),
    inference(resolution,[status(thm)],[f394,f27]) ).

fof(f507,plain,
    ( ~ organization(sk0_2)
    | ~ has_immunity(sk0_2,sk0_4)
    | has_immunity(sk0_2,sk0_5)
    | spl0_0 ),
    inference(resolution,[status(thm)],[f59,f46]) ).

fof(f508,plain,
    ( ~ spl0_34
    | ~ spl0_7
    | spl0_18
    | spl0_0 ),
    inference(split_clause,[status(thm)],[f507,f361,f92,f169,f57]) ).

fof(f607,plain,
    ( eta = sigma
    | smaller_or_equal(zero,eta)
    | ~ spl0_4 ),
    inference(resolution,[status(thm)],[f406,f78]) ).

fof(f608,plain,
    ( spl0_5
    | spl0_8
    | ~ spl0_4 ),
    inference(split_clause,[status(thm)],[f607,f80,f97,f77]) ).

fof(f615,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f63,f84,f96,f104,f106,f115,f173,f214,f223,f241,f289,f365,f369,f508,f608]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.07  % Problem  : MGT056+1 : TPTP v8.1.2. Released v2.4.0.
% 0.06/0.07  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.07/0.26  % Computer : n007.cluster.edu
% 0.07/0.26  % Model    : x86_64 x86_64
% 0.07/0.26  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.26  % Memory   : 8042.1875MB
% 0.07/0.26  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.07/0.26  % CPULimit : 300
% 0.07/0.26  % WCLimit  : 300
% 0.07/0.26  % DateTime : Tue May 30 10:56:31 EDT 2023
% 0.07/0.26  % CPUTime  : 
% 0.07/0.27  % Drodi V3.5.1
% 0.07/0.27  % Refutation found
% 0.07/0.27  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.07/0.27  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.07/0.28  % Elapsed time: 0.018925 seconds
% 0.07/0.28  % CPU time: 0.051623 seconds
% 0.07/0.28  % Memory used: 15.086 MB
%------------------------------------------------------------------------------