TSTP Solution File: RNG003-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : RNG003-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n026.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 : Tue Sep 20 03:17:35 EDT 2022

% Result   : Unsatisfiable 246.24s 158.42s
% Output   : Proof 246.33s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :  119
% Syntax   : Number of formulae    :  290 (  93 unt;   8 typ;   0 def)
%            Number of atoms       : 1426 (  96 equ)
%            Maximal formula atoms :   16 (   5 avg)
%            Number of connectives : 2133 (1013   ~;1002   |;   0   &)
%                                         ( 118 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of FOOLs       :   24 (  24 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   3   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :  969 ( 928   !;   0   ?; 969   :)

% Comments : 
%------------------------------------------------------------------------------
tff(sum_type,type,
    sum: ( $i * $i * $i ) > $o ).

tff(a_type,type,
    a: $i ).

tff(additive_inverse_type,type,
    additive_inverse: $i > $i ).

tff(additive_identity_type,type,
    additive_identity: $i ).

tff(b_type,type,
    b: $i ).

tff(d_type,type,
    d: $i ).

tff(c_type,type,
    c: $i ).

tff(add_type,type,
    add: ( $i * $i ) > $i ).

tff(1,plain,
    ^ [X: $i] :
      refl(
        ( sum(additive_identity,X,X)
      <=> sum(additive_identity,X,X) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [X: $i] : sum(additive_identity,X,X)
  <=> ! [X: $i] : sum(additive_identity,X,X) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [X: $i] : sum(additive_identity,X,X)
  <=> ! [X: $i] : sum(additive_identity,X,X) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [X: $i] : sum(additive_identity,X,X),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',additive_identity1) ).

tff(5,plain,
    ! [X: $i] : sum(additive_identity,X,X),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [X: $i] : sum(additive_identity,X,X),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [X: $i] : sum(additive_identity,X,X),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [X: $i] : sum(additive_identity,X,X)
    | sum(additive_identity,additive_inverse(additive_identity),additive_inverse(additive_identity)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    sum(additive_identity,additive_inverse(additive_identity),additive_inverse(additive_identity)),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ^ [X: $i] :
      refl(
        ( sum(X,additive_inverse(X),additive_identity)
      <=> sum(X,additive_inverse(X),additive_identity) )),
    inference(bind,[status(th)],]) ).

tff(11,plain,
    ( ! [X: $i] : sum(X,additive_inverse(X),additive_identity)
  <=> ! [X: $i] : sum(X,additive_inverse(X),additive_identity) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,plain,
    ( ! [X: $i] : sum(X,additive_inverse(X),additive_identity)
  <=> ! [X: $i] : sum(X,additive_inverse(X),additive_identity) ),
    inference(rewrite,[status(thm)],]) ).

tff(13,axiom,
    ! [X: $i] : sum(X,additive_inverse(X),additive_identity),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',right_inverse) ).

tff(14,plain,
    ! [X: $i] : sum(X,additive_inverse(X),additive_identity),
    inference(modus_ponens,[status(thm)],[13,12]) ).

tff(15,plain,
    ! [X: $i] : sum(X,additive_inverse(X),additive_identity),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [X: $i] : sum(X,additive_inverse(X),additive_identity),
    inference(modus_ponens,[status(thm)],[15,11]) ).

tff(17,plain,
    ( ~ ! [X: $i] : sum(X,additive_inverse(X),additive_identity)
    | sum(additive_identity,additive_inverse(additive_identity),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(18,plain,
    sum(additive_identity,additive_inverse(additive_identity),additive_identity),
    inference(unit_resolution,[status(thm)],[17,16]) ).

tff(19,plain,
    ^ [V: $i,Y: $i,U: $i,X: $i] :
      refl(
        ( ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
      <=> ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(20,plain,
    ( ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(X,Y,V)
        | ( U = V ) )
  <=> ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(X,Y,V)
        | ( U = V ) ) ),
    inference(quant_intro,[status(thm)],[19]) ).

tff(21,plain,
    ( ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(X,Y,V)
        | ( U = V ) )
  <=> ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(X,Y,V)
        | ( U = V ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,plain,
    ^ [V: $i,Y: $i,U: $i,X: $i] :
      rewrite(
        ( ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
      <=> ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(23,plain,
    ( ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(X,Y,V)
        | ( U = V ) )
  <=> ! [V: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(X,Y,V)
        | ( U = V ) ) ),
    inference(quant_intro,[status(thm)],[22]) ).

tff(24,axiom,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(X,Y,V)
      | ( U = V ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',addition_is_well_defined) ).

tff(25,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(X,Y,V)
      | ( U = V ) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(X,Y,V)
      | ( U = V ) ),
    inference(modus_ponens,[status(thm)],[25,21]) ).

tff(27,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(X,Y,V)
      | ( U = V ) ),
    inference(skolemize,[status(sab)],[26]) ).

tff(28,plain,
    ! [V: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(X,Y,V)
      | ( U = V ) ),
    inference(modus_ponens,[status(thm)],[27,20]) ).

tff(29,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(additive_identity,additive_inverse(additive_identity),additive_identity)
      | ~ sum(additive_identity,additive_inverse(additive_identity),additive_inverse(additive_identity))
      | ( additive_identity = additive_inverse(additive_identity) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(additive_identity,additive_inverse(additive_identity),additive_identity)
      | ~ sum(additive_identity,additive_inverse(additive_identity),additive_inverse(additive_identity))
      | ( additive_identity = additive_inverse(additive_identity) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(30,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(additive_identity,additive_inverse(additive_identity),additive_identity)
    | ~ sum(additive_identity,additive_inverse(additive_identity),additive_inverse(additive_identity))
    | ( additive_identity = additive_inverse(additive_identity) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(31,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(additive_identity,additive_inverse(additive_identity),additive_identity)
    | ~ sum(additive_identity,additive_inverse(additive_identity),additive_inverse(additive_identity))
    | ( additive_identity = additive_inverse(additive_identity) ) ),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    additive_identity = additive_inverse(additive_identity),
    inference(unit_resolution,[status(thm)],[31,28,18,9]) ).

tff(33,plain,
    additive_inverse(additive_identity) = additive_identity,
    inference(symmetry,[status(thm)],[32]) ).

tff(34,plain,
    ( sum(a,additive_inverse(additive_identity),a)
  <=> sum(a,additive_identity,a) ),
    inference(monotonicity,[status(thm)],[33]) ).

tff(35,plain,
    ( sum(a,additive_identity,a)
  <=> sum(a,additive_inverse(additive_identity),a) ),
    inference(symmetry,[status(thm)],[34]) ).

tff(36,plain,
    ^ [X: $i] :
      refl(
        ( sum(X,additive_identity,X)
      <=> sum(X,additive_identity,X) )),
    inference(bind,[status(th)],]) ).

tff(37,plain,
    ( ! [X: $i] : sum(X,additive_identity,X)
  <=> ! [X: $i] : sum(X,additive_identity,X) ),
    inference(quant_intro,[status(thm)],[36]) ).

tff(38,plain,
    ( ! [X: $i] : sum(X,additive_identity,X)
  <=> ! [X: $i] : sum(X,additive_identity,X) ),
    inference(rewrite,[status(thm)],]) ).

tff(39,axiom,
    ! [X: $i] : sum(X,additive_identity,X),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',additive_identity2) ).

tff(40,plain,
    ! [X: $i] : sum(X,additive_identity,X),
    inference(modus_ponens,[status(thm)],[39,38]) ).

tff(41,plain,
    ! [X: $i] : sum(X,additive_identity,X),
    inference(skolemize,[status(sab)],[40]) ).

tff(42,plain,
    ! [X: $i] : sum(X,additive_identity,X),
    inference(modus_ponens,[status(thm)],[41,37]) ).

tff(43,plain,
    ( ~ ! [X: $i] : sum(X,additive_identity,X)
    | sum(a,additive_identity,a) ),
    inference(quant_inst,[status(thm)],]) ).

tff(44,plain,
    sum(a,additive_identity,a),
    inference(unit_resolution,[status(thm)],[43,42]) ).

tff(45,plain,
    sum(a,additive_inverse(additive_identity),a),
    inference(modus_ponens,[status(thm)],[44,35]) ).

tff(46,plain,
    ( ~ ! [X: $i] : sum(additive_identity,X,X)
    | sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(47,plain,
    sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))),
    inference(unit_resolution,[status(thm)],[46,7]) ).

tff(48,plain,
    ^ [X: $i] :
      refl(
        ( sum(additive_inverse(X),X,additive_identity)
      <=> sum(additive_inverse(X),X,additive_identity) )),
    inference(bind,[status(th)],]) ).

tff(49,plain,
    ( ! [X: $i] : sum(additive_inverse(X),X,additive_identity)
  <=> ! [X: $i] : sum(additive_inverse(X),X,additive_identity) ),
    inference(quant_intro,[status(thm)],[48]) ).

tff(50,plain,
    ( ! [X: $i] : sum(additive_inverse(X),X,additive_identity)
  <=> ! [X: $i] : sum(additive_inverse(X),X,additive_identity) ),
    inference(rewrite,[status(thm)],]) ).

tff(51,axiom,
    ! [X: $i] : sum(additive_inverse(X),X,additive_identity),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',left_inverse) ).

tff(52,plain,
    ! [X: $i] : sum(additive_inverse(X),X,additive_identity),
    inference(modus_ponens,[status(thm)],[51,50]) ).

tff(53,plain,
    ! [X: $i] : sum(additive_inverse(X),X,additive_identity),
    inference(skolemize,[status(sab)],[52]) ).

tff(54,plain,
    ! [X: $i] : sum(additive_inverse(X),X,additive_identity),
    inference(modus_ponens,[status(thm)],[53,49]) ).

tff(55,plain,
    ( ~ ! [X: $i] : sum(additive_inverse(X),X,additive_identity)
    | sum(additive_inverse(additive_inverse(b)),additive_inverse(b),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(56,plain,
    sum(additive_inverse(additive_inverse(b)),additive_inverse(b),additive_identity),
    inference(unit_resolution,[status(thm)],[55,54]) ).

tff(57,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
      <=> ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) ) )),
    inference(bind,[status(th)],]) ).

tff(58,plain,
    ( ! [Z: $i,Y: $i,X: $i] :
        ( ~ sum(X,Y,Z)
        | sum(Y,X,Z) )
  <=> ! [Z: $i,Y: $i,X: $i] :
        ( ~ sum(X,Y,Z)
        | sum(Y,X,Z) ) ),
    inference(quant_intro,[status(thm)],[57]) ).

tff(59,plain,
    ( ! [Z: $i,Y: $i,X: $i] :
        ( ~ sum(X,Y,Z)
        | sum(Y,X,Z) )
  <=> ! [Z: $i,Y: $i,X: $i] :
        ( ~ sum(X,Y,Z)
        | sum(Y,X,Z) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(60,axiom,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ sum(X,Y,Z)
      | sum(Y,X,Z) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',commutativity_of_addition) ).

tff(61,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ sum(X,Y,Z)
      | sum(Y,X,Z) ),
    inference(modus_ponens,[status(thm)],[60,59]) ).

tff(62,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ sum(X,Y,Z)
      | sum(Y,X,Z) ),
    inference(skolemize,[status(sab)],[61]) ).

tff(63,plain,
    ! [Z: $i,Y: $i,X: $i] :
      ( ~ sum(X,Y,Z)
      | sum(Y,X,Z) ),
    inference(modus_ponens,[status(thm)],[62,58]) ).

tff(64,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(b),additive_identity)
      | sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(b),additive_identity)
      | sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(65,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(b),additive_identity)
    | sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(66,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(b),additive_identity)
    | sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ),
    inference(modus_ponens,[status(thm)],[65,64]) ).

tff(67,plain,
    sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity),
    inference(unit_resolution,[status(thm)],[66,63,56]) ).

tff(68,plain,
    ( ~ ! [X: $i] : sum(X,additive_identity,X)
    | sum(b,additive_identity,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(69,plain,
    sum(b,additive_identity,b),
    inference(unit_resolution,[status(thm)],[68,42]) ).

tff(70,plain,
    ( ~ ! [X: $i] : sum(X,additive_inverse(X),additive_identity)
    | sum(b,additive_inverse(b),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(71,plain,
    sum(b,additive_inverse(b),additive_identity),
    inference(unit_resolution,[status(thm)],[70,16]) ).

tff(72,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      refl(
        ( ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
      <=> ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) ) )),
    inference(bind,[status(th)],]) ).

tff(73,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U)
        | ~ sum(X,V,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U)
        | ~ sum(X,V,W) ) ),
    inference(quant_intro,[status(thm)],[72]) ).

tff(74,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U)
        | ~ sum(X,V,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U)
        | ~ sum(X,V,W) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(75,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ sum(X,Y,U)
              | ~ sum(Y,Z,V)
              | ~ sum(X,V,W) )
          <=> ( ~ sum(Y,Z,V)
              | ~ sum(X,Y,U)
              | ~ sum(X,V,W) ) )),
          ( ( ~ sum(X,Y,U)
            | ~ sum(Y,Z,V)
            | ~ sum(X,V,W)
            | sum(U,Z,W) )
        <=> ( ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W)
            | sum(U,Z,W) ) )),
        rewrite(
          ( ( ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W)
            | sum(U,Z,W) )
        <=> ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) ) )),
        ( ( ~ sum(X,Y,U)
          | ~ sum(Y,Z,V)
          | ~ sum(X,V,W)
          | sum(U,Z,W) )
      <=> ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) ) )),
    inference(bind,[status(th)],]) ).

tff(76,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(Y,Z,V)
        | ~ sum(X,V,W)
        | sum(U,Z,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U)
        | ~ sum(X,V,W) ) ),
    inference(quant_intro,[status(thm)],[75]) ).

tff(77,axiom,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(Y,Z,V)
      | ~ sum(X,V,W)
      | sum(U,Z,W) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',associativity_of_addition2) ).

tff(78,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U)
      | ~ sum(X,V,W) ),
    inference(modus_ponens,[status(thm)],[77,76]) ).

tff(79,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U)
      | ~ sum(X,V,W) ),
    inference(modus_ponens,[status(thm)],[78,74]) ).

tff(80,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U)
      | ~ sum(X,V,W) ),
    inference(skolemize,[status(sab)],[79]) ).

tff(81,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U)
      | ~ sum(X,V,W) ),
    inference(modus_ponens,[status(thm)],[80,73]) ).

tff(82,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(b,additive_identity,b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(b,additive_identity,b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(83,plain,
    ( ( sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | ~ sum(b,additive_identity,b) )
  <=> ( ~ sum(b,additive_inverse(b),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(b,additive_identity,b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(84,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | ~ sum(b,additive_identity,b) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(b,additive_identity,b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ) ),
    inference(monotonicity,[status(thm)],[83]) ).

tff(85,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | ~ sum(b,additive_identity,b) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(b,additive_identity,b)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ) ),
    inference(transitivity,[status(thm)],[84,82]) ).

tff(86,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
    | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
    | ~ sum(b,additive_inverse(b),additive_identity)
    | ~ sum(b,additive_identity,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(87,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(b,additive_inverse(b),additive_identity)
    | sum(additive_identity,additive_inverse(additive_inverse(b)),b)
    | ~ sum(b,additive_identity,b)
    | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity) ),
    inference(modus_ponens,[status(thm)],[86,85]) ).

tff(88,plain,
    sum(additive_identity,additive_inverse(additive_inverse(b)),b),
    inference(unit_resolution,[status(thm)],[87,81,71,69,67]) ).

tff(89,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
      | ( b = additive_inverse(additive_inverse(b)) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),b)
      | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
      | ( b = additive_inverse(additive_inverse(b)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(90,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),b)
    | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
    | ( b = additive_inverse(additive_inverse(b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(91,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),b)
    | ~ sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
    | ( b = additive_inverse(additive_inverse(b)) ) ),
    inference(modus_ponens,[status(thm)],[90,89]) ).

tff(92,plain,
    b = additive_inverse(additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[91,28,88,47]) ).

tff(93,plain,
    additive_inverse(additive_inverse(b)) = b,
    inference(symmetry,[status(thm)],[92]) ).

tff(94,plain,
    ( ( a = additive_inverse(additive_inverse(b)) )
  <=> ( a = b ) ),
    inference(monotonicity,[status(thm)],[93]) ).

tff(95,plain,
    ( ( a = b )
  <=> ( a = additive_inverse(additive_inverse(b)) ) ),
    inference(symmetry,[status(thm)],[94]) ).

tff(96,plain,
    ( ( a != b )
  <=> ( a != additive_inverse(additive_inverse(b)) ) ),
    inference(monotonicity,[status(thm)],[95]) ).

tff(97,plain,
    ( ( a != b )
  <=> ( a != b ) ),
    inference(rewrite,[status(thm)],]) ).

tff(98,axiom,
    a != b,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_a_equals_b) ).

tff(99,plain,
    a != b,
    inference(modus_ponens,[status(thm)],[98,97]) ).

tff(100,plain,
    a != additive_inverse(additive_inverse(b)),
    inference(modus_ponens,[status(thm)],[99,96]) ).

tff(101,plain,
    ( sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
  <=> sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ),
    inference(monotonicity,[status(thm)],[33]) ).

tff(102,plain,
    ( sum(additive_identity,additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
  <=> sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ),
    inference(symmetry,[status(thm)],[101]) ).

tff(103,plain,
    sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))),
    inference(modus_ponens,[status(thm)],[47,102]) ).

tff(104,plain,
    ( sum(a,additive_inverse(a),additive_inverse(additive_identity))
  <=> sum(a,additive_inverse(a),additive_identity) ),
    inference(monotonicity,[status(thm)],[33]) ).

tff(105,plain,
    ( sum(a,additive_inverse(a),additive_identity)
  <=> sum(a,additive_inverse(a),additive_inverse(additive_identity)) ),
    inference(symmetry,[status(thm)],[104]) ).

tff(106,plain,
    ( ~ ! [X: $i] : sum(X,additive_inverse(X),additive_identity)
    | sum(a,additive_inverse(a),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(107,plain,
    sum(a,additive_inverse(a),additive_identity),
    inference(unit_resolution,[status(thm)],[106,16]) ).

tff(108,plain,
    sum(a,additive_inverse(a),additive_inverse(additive_identity)),
    inference(modus_ponens,[status(thm)],[107,105]) ).

tff(109,plain,
    ( ~ ! [X: $i] : sum(X,additive_identity,X)
    | sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(additive_inverse(additive_inverse(b)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(110,plain,
    sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(additive_inverse(additive_inverse(b)))),
    inference(unit_resolution,[status(thm)],[109,42]) ).

tff(111,plain,
    ( ~ ! [X: $i] : sum(additive_inverse(X),X,additive_identity)
    | sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(112,plain,
    sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity),
    inference(unit_resolution,[status(thm)],[111,54]) ).

tff(113,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(114,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity)
    | sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(115,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity)
    | sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity) ),
    inference(modus_ponens,[status(thm)],[114,113]) ).

tff(116,plain,
    sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity),
    inference(unit_resolution,[status(thm)],[115,63,112]) ).

tff(117,plain,
    ( ~ ! [X: $i] : sum(X,additive_identity,X)
    | sum(additive_inverse(b),additive_identity,additive_inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(118,plain,
    sum(additive_inverse(b),additive_identity,additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[117,42]) ).

tff(119,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(120,plain,
    ( ( sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b)) )
  <=> ( ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(121,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)) ) ),
    inference(monotonicity,[status(thm)],[120]) ).

tff(122,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)) ) ),
    inference(transitivity,[status(thm)],[121,119]) ).

tff(123,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
    | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
    | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
    | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(124,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
    | ~ sum(additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(additive_inverse(b))),additive_identity)
    | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
    | sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)) ),
    inference(modus_ponens,[status(thm)],[123,122]) ).

tff(125,plain,
    sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[124,81,118,67,116]) ).

tff(126,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
      | sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b)) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
      | sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(127,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
    | sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(128,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_identity,additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(b))
    | sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b)) ),
    inference(modus_ponens,[status(thm)],[127,126]) ).

tff(129,plain,
    sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[128,63,125]) ).

tff(130,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(additive_inverse(additive_inverse(b))))
      | ( additive_inverse(b) = additive_inverse(additive_inverse(additive_inverse(b))) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b))
      | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(additive_inverse(additive_inverse(b))))
      | ( additive_inverse(b) = additive_inverse(additive_inverse(additive_inverse(b))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(131,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b))
    | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(additive_inverse(additive_inverse(b))))
    | ( additive_inverse(b) = additive_inverse(additive_inverse(additive_inverse(b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(132,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(b))
    | ~ sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_identity,additive_inverse(additive_inverse(additive_inverse(b))))
    | ( additive_inverse(b) = additive_inverse(additive_inverse(additive_inverse(b))) ) ),
    inference(modus_ponens,[status(thm)],[131,130]) ).

tff(133,plain,
    additive_inverse(b) = additive_inverse(additive_inverse(additive_inverse(b))),
    inference(unit_resolution,[status(thm)],[132,28,129,110]) ).

tff(134,plain,
    additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(b),
    inference(symmetry,[status(thm)],[133]) ).

tff(135,plain,
    ( sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b))))
  <=> sum(c,additive_inverse(d),additive_inverse(b)) ),
    inference(monotonicity,[status(thm)],[134]) ).

tff(136,plain,
    ( sum(c,additive_inverse(d),additive_inverse(b))
  <=> sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ),
    inference(symmetry,[status(thm)],[135]) ).

tff(137,plain,
    ( ~ ! [X: $i] : sum(X,additive_identity,X)
    | sum(c,additive_identity,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(138,plain,
    sum(c,additive_identity,c),
    inference(unit_resolution,[status(thm)],[137,42]) ).

tff(139,plain,
    ( sum(b,c,d)
  <=> sum(b,c,d) ),
    inference(rewrite,[status(thm)],]) ).

tff(140,axiom,
    sum(b,c,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_plus_c_is_d) ).

tff(141,plain,
    sum(b,c,d),
    inference(modus_ponens,[status(thm)],[140,139]) ).

tff(142,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,c,d)
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_identity,d) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,c,d)
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_identity,d) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(143,plain,
    ( ( sum(d,additive_identity,d)
      | ~ sum(c,additive_identity,c)
      | ~ sum(b,c,d)
      | ~ sum(b,c,d) )
  <=> ( ~ sum(b,c,d)
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_identity,d) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(144,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(d,additive_identity,d)
      | ~ sum(c,additive_identity,c)
      | ~ sum(b,c,d)
      | ~ sum(b,c,d) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,c,d)
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_identity,d) ) ),
    inference(monotonicity,[status(thm)],[143]) ).

tff(145,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(d,additive_identity,d)
      | ~ sum(c,additive_identity,c)
      | ~ sum(b,c,d)
      | ~ sum(b,c,d) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(b,c,d)
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_identity,d) ) ),
    inference(transitivity,[status(thm)],[144,142]) ).

tff(146,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(d,additive_identity,d)
    | ~ sum(c,additive_identity,c)
    | ~ sum(b,c,d)
    | ~ sum(b,c,d) ),
    inference(quant_inst,[status(thm)],]) ).

tff(147,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(b,c,d)
    | ~ sum(c,additive_identity,c)
    | sum(d,additive_identity,d) ),
    inference(modus_ponens,[status(thm)],[146,145]) ).

tff(148,plain,
    sum(d,additive_identity,d),
    inference(unit_resolution,[status(thm)],[147,81,141,138]) ).

tff(149,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(b,c,d)
      | sum(c,b,d) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(b,c,d)
      | sum(c,b,d) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(150,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(b,c,d)
    | sum(c,b,d) ),
    inference(quant_inst,[status(thm)],]) ).

tff(151,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(b,c,d)
    | sum(c,b,d) ),
    inference(modus_ponens,[status(thm)],[150,149]) ).

tff(152,plain,
    sum(c,b,d),
    inference(unit_resolution,[status(thm)],[151,63,141]) ).

tff(153,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,b,d)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(d,additive_inverse(b),c)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,b,d)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(d,additive_inverse(b),c)
      | ~ sum(c,additive_identity,c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(154,plain,
    ( ( sum(d,additive_inverse(b),c)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | ~ sum(c,b,d)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ sum(c,b,d)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(d,additive_inverse(b),c)
      | ~ sum(c,additive_identity,c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(155,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(d,additive_inverse(b),c)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | ~ sum(c,b,d)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,b,d)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(d,additive_inverse(b),c)
      | ~ sum(c,additive_identity,c) ) ),
    inference(monotonicity,[status(thm)],[154]) ).

tff(156,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(d,additive_inverse(b),c)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | ~ sum(c,b,d)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,b,d)
      | ~ sum(b,additive_inverse(b),additive_identity)
      | sum(d,additive_inverse(b),c)
      | ~ sum(c,additive_identity,c) ) ),
    inference(transitivity,[status(thm)],[155,153]) ).

tff(157,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(d,additive_inverse(b),c)
    | ~ sum(b,additive_inverse(b),additive_identity)
    | ~ sum(c,b,d)
    | ~ sum(c,additive_identity,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(158,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(c,b,d)
    | ~ sum(b,additive_inverse(b),additive_identity)
    | sum(d,additive_inverse(b),c)
    | ~ sum(c,additive_identity,c) ),
    inference(modus_ponens,[status(thm)],[157,156]) ).

tff(159,plain,
    sum(d,additive_inverse(b),c),
    inference(unit_resolution,[status(thm)],[158,81,152,138,71]) ).

tff(160,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(d,additive_identity,d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(d,additive_inverse(b),c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(d,additive_identity,d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(d,additive_inverse(b),c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(161,plain,
    ( ( sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(d,additive_inverse(b),c)
      | ~ sum(d,additive_identity,d) )
  <=> ( ~ sum(d,additive_identity,d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(d,additive_inverse(b),c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(162,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(d,additive_inverse(b),c)
      | ~ sum(d,additive_identity,d) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(d,additive_identity,d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(d,additive_inverse(b),c) ) ),
    inference(monotonicity,[status(thm)],[161]) ).

tff(163,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | ~ sum(d,additive_inverse(b),c)
      | ~ sum(d,additive_identity,d) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(d,additive_identity,d)
      | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
      | sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(d,additive_inverse(b),c) ) ),
    inference(transitivity,[status(thm)],[162,160]) ).

tff(164,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(c,additive_inverse(additive_inverse(b)),d)
    | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
    | ~ sum(d,additive_inverse(b),c)
    | ~ sum(d,additive_identity,d) ),
    inference(quant_inst,[status(thm)],]) ).

tff(165,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(d,additive_identity,d)
    | ~ sum(additive_inverse(b),additive_inverse(additive_inverse(b)),additive_identity)
    | sum(c,additive_inverse(additive_inverse(b)),d)
    | ~ sum(d,additive_inverse(b),c) ),
    inference(modus_ponens,[status(thm)],[164,163]) ).

tff(166,plain,
    sum(c,additive_inverse(additive_inverse(b)),d),
    inference(unit_resolution,[status(thm)],[165,81,159,148,67]) ).

tff(167,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( sum(X,Y,add(X,Y))
      <=> sum(X,Y,add(X,Y)) )),
    inference(bind,[status(th)],]) ).

tff(168,plain,
    ( ! [Y: $i,X: $i] : sum(X,Y,add(X,Y))
  <=> ! [Y: $i,X: $i] : sum(X,Y,add(X,Y)) ),
    inference(quant_intro,[status(thm)],[167]) ).

tff(169,plain,
    ( ! [Y: $i,X: $i] : sum(X,Y,add(X,Y))
  <=> ! [Y: $i,X: $i] : sum(X,Y,add(X,Y)) ),
    inference(rewrite,[status(thm)],]) ).

tff(170,axiom,
    ! [Y: $i,X: $i] : sum(X,Y,add(X,Y)),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',closure_of_addition) ).

tff(171,plain,
    ! [Y: $i,X: $i] : sum(X,Y,add(X,Y)),
    inference(modus_ponens,[status(thm)],[170,169]) ).

tff(172,plain,
    ! [Y: $i,X: $i] : sum(X,Y,add(X,Y)),
    inference(skolemize,[status(sab)],[171]) ).

tff(173,plain,
    ! [Y: $i,X: $i] : sum(X,Y,add(X,Y)),
    inference(modus_ponens,[status(thm)],[172,168]) ).

tff(174,plain,
    ( ~ ! [Y: $i,X: $i] : sum(X,Y,add(X,Y))
    | sum(c,additive_inverse(additive_inverse(b)),add(c,additive_inverse(additive_inverse(b)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(175,plain,
    sum(c,additive_inverse(additive_inverse(b)),add(c,additive_inverse(additive_inverse(b)))),
    inference(unit_resolution,[status(thm)],[174,173]) ).

tff(176,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(c,additive_inverse(additive_inverse(b)),add(c,additive_inverse(additive_inverse(b))))
      | ( d = add(c,additive_inverse(additive_inverse(b))) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(additive_inverse(b)),d)
      | ~ sum(c,additive_inverse(additive_inverse(b)),add(c,additive_inverse(additive_inverse(b))))
      | ( d = add(c,additive_inverse(additive_inverse(b))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(177,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(c,additive_inverse(additive_inverse(b)),d)
    | ~ sum(c,additive_inverse(additive_inverse(b)),add(c,additive_inverse(additive_inverse(b))))
    | ( d = add(c,additive_inverse(additive_inverse(b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(178,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(c,additive_inverse(additive_inverse(b)),d)
    | ~ sum(c,additive_inverse(additive_inverse(b)),add(c,additive_inverse(additive_inverse(b))))
    | ( d = add(c,additive_inverse(additive_inverse(b))) ) ),
    inference(modus_ponens,[status(thm)],[177,176]) ).

tff(179,plain,
    d = add(c,additive_inverse(additive_inverse(b))),
    inference(unit_resolution,[status(thm)],[178,28,175,166]) ).

tff(180,plain,
    add(c,additive_inverse(additive_inverse(b))) = d,
    inference(symmetry,[status(thm)],[179]) ).

tff(181,plain,
    ( sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity)
  <=> sum(additive_inverse(d),d,additive_identity) ),
    inference(monotonicity,[status(thm)],[180]) ).

tff(182,plain,
    ( sum(additive_inverse(d),d,additive_identity)
  <=> sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ),
    inference(symmetry,[status(thm)],[181]) ).

tff(183,plain,
    ( ~ ! [X: $i] : sum(additive_inverse(X),X,additive_identity)
    | sum(additive_inverse(d),d,additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(184,plain,
    sum(additive_inverse(d),d,additive_identity),
    inference(unit_resolution,[status(thm)],[183,54]) ).

tff(185,plain,
    sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity),
    inference(modus_ponens,[status(thm)],[184,182]) ).

tff(186,plain,
    ( sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
  <=> sum(d,additive_inverse(b),c) ),
    inference(monotonicity,[status(thm)],[180]) ).

tff(187,plain,
    ( sum(d,additive_inverse(b),c)
  <=> sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c) ),
    inference(symmetry,[status(thm)],[186]) ).

tff(188,plain,
    sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c),
    inference(modus_ponens,[status(thm)],[159,187]) ).

tff(189,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | sum(additive_identity,additive_inverse(b),additive_inverse(b)) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
      | sum(additive_identity,additive_inverse(b),additive_inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(190,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
    | sum(additive_identity,additive_inverse(b),additive_inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(191,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(b),additive_identity,additive_inverse(b))
    | sum(additive_identity,additive_inverse(b),additive_inverse(b)) ),
    inference(modus_ponens,[status(thm)],[190,189]) ).

tff(192,plain,
    sum(additive_identity,additive_inverse(b),additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[191,63,118]) ).

tff(193,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      refl(
        ( ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) )
      <=> ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) ) )),
    inference(bind,[status(th)],]) ).

tff(194,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(X,V,W)
        | ~ sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(X,V,W)
        | ~ sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U) ) ),
    inference(quant_intro,[status(thm)],[193]) ).

tff(195,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(X,V,W)
        | ~ sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(X,V,W)
        | ~ sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(196,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ sum(X,Y,U)
              | ~ sum(Y,Z,V)
              | ~ sum(U,Z,W) )
          <=> ( ~ sum(U,Z,W)
              | ~ sum(Y,Z,V)
              | ~ sum(X,Y,U) ) )),
          ( ( ~ sum(X,Y,U)
            | ~ sum(Y,Z,V)
            | ~ sum(U,Z,W)
            | sum(X,V,W) )
        <=> ( ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | sum(X,V,W) ) )),
        rewrite(
          ( ( ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | sum(X,V,W) )
        <=> ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) ) )),
        ( ( ~ sum(X,Y,U)
          | ~ sum(Y,Z,V)
          | ~ sum(U,Z,W)
          | sum(X,V,W) )
      <=> ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) ) )),
    inference(bind,[status(th)],]) ).

tff(197,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ sum(X,Y,U)
        | ~ sum(Y,Z,V)
        | ~ sum(U,Z,W)
        | sum(X,V,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( sum(X,V,W)
        | ~ sum(U,Z,W)
        | ~ sum(Y,Z,V)
        | ~ sum(X,Y,U) ) ),
    inference(quant_intro,[status(thm)],[196]) ).

tff(198,axiom,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( ~ sum(X,Y,U)
      | ~ sum(Y,Z,V)
      | ~ sum(U,Z,W)
      | sum(X,V,W) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/RNG001-0.ax',associativity_of_addition1) ).

tff(199,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(X,V,W)
      | ~ sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U) ),
    inference(modus_ponens,[status(thm)],[198,197]) ).

tff(200,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(X,V,W)
      | ~ sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U) ),
    inference(modus_ponens,[status(thm)],[199,195]) ).

tff(201,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(X,V,W)
      | ~ sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U) ),
    inference(skolemize,[status(sab)],[200]) ).

tff(202,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( sum(X,V,W)
      | ~ sum(U,Z,W)
      | ~ sum(Y,Z,V)
      | ~ sum(X,Y,U) ),
    inference(modus_ponens,[status(thm)],[201,194]) ).

tff(203,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(204,plain,
    ( ( sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) )
  <=> ( ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(205,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ) ),
    inference(monotonicity,[status(thm)],[204]) ).

tff(206,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
      | sum(additive_inverse(d),c,additive_inverse(b))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
      | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ) ),
    inference(transitivity,[status(thm)],[205,203]) ).

tff(207,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) )
    | sum(additive_inverse(d),c,additive_inverse(b))
    | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
    | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
    | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(208,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) )
    | ~ sum(additive_identity,additive_inverse(b),additive_inverse(b))
    | sum(additive_inverse(d),c,additive_inverse(b))
    | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
    | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ),
    inference(modus_ponens,[status(thm)],[207,206]) ).

tff(209,plain,
    ( sum(additive_inverse(d),c,additive_inverse(b))
    | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(b),c)
    | ~ sum(additive_inverse(d),add(c,additive_inverse(additive_inverse(b))),additive_identity) ),
    inference(unit_resolution,[status(thm)],[208,202,192]) ).

tff(210,plain,
    sum(additive_inverse(d),c,additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[209,188,185]) ).

tff(211,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(d),c,additive_inverse(b))
      | sum(c,additive_inverse(d),additive_inverse(b)) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(d),c,additive_inverse(b))
      | sum(c,additive_inverse(d),additive_inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(212,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(d),c,additive_inverse(b))
    | sum(c,additive_inverse(d),additive_inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(213,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(d),c,additive_inverse(b))
    | sum(c,additive_inverse(d),additive_inverse(b)) ),
    inference(modus_ponens,[status(thm)],[212,211]) ).

tff(214,plain,
    sum(c,additive_inverse(d),additive_inverse(b)),
    inference(unit_resolution,[status(thm)],[213,63,210]) ).

tff(215,plain,
    sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))),
    inference(modus_ponens,[status(thm)],[214,136]) ).

tff(216,plain,
    ( sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
  <=> sum(additive_inverse(a),d,c) ),
    inference(monotonicity,[status(thm)],[180]) ).

tff(217,plain,
    ( sum(additive_inverse(a),d,c)
  <=> sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c) ),
    inference(symmetry,[status(thm)],[216]) ).

tff(218,plain,
    ( sum(a,c,d)
  <=> sum(a,c,d) ),
    inference(rewrite,[status(thm)],]) ).

tff(219,axiom,
    sum(a,c,d),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_plus_c_is_d) ).

tff(220,plain,
    sum(a,c,d),
    inference(modus_ponens,[status(thm)],[219,218]) ).

tff(221,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(a,c,d)
      | sum(c,a,d) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(a,c,d)
      | sum(c,a,d) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(222,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(a,c,d)
    | sum(c,a,d) ),
    inference(quant_inst,[status(thm)],]) ).

tff(223,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(a,c,d)
    | sum(c,a,d) ),
    inference(modus_ponens,[status(thm)],[222,221]) ).

tff(224,plain,
    sum(c,a,d),
    inference(unit_resolution,[status(thm)],[223,63,220]) ).

tff(225,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(226,plain,
    ( ( sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ sum(c,additive_identity,c)
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(227,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d) ) ),
    inference(monotonicity,[status(thm)],[226]) ).

tff(228,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d)
      | ~ sum(c,additive_identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(c,additive_identity,c)
      | sum(d,additive_inverse(a),c)
      | ~ sum(a,additive_inverse(a),additive_identity)
      | ~ sum(c,a,d) ) ),
    inference(transitivity,[status(thm)],[227,225]) ).

tff(229,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(d,additive_inverse(a),c)
    | ~ sum(a,additive_inverse(a),additive_identity)
    | ~ sum(c,a,d)
    | ~ sum(c,additive_identity,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(230,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(c,additive_identity,c)
    | sum(d,additive_inverse(a),c)
    | ~ sum(a,additive_inverse(a),additive_identity)
    | ~ sum(c,a,d) ),
    inference(modus_ponens,[status(thm)],[229,228]) ).

tff(231,plain,
    sum(d,additive_inverse(a),c),
    inference(unit_resolution,[status(thm)],[230,81,224,138,107]) ).

tff(232,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(d,additive_inverse(a),c)
      | sum(additive_inverse(a),d,c) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(d,additive_inverse(a),c)
      | sum(additive_inverse(a),d,c) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(233,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(d,additive_inverse(a),c)
    | sum(additive_inverse(a),d,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(234,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(d,additive_inverse(a),c)
    | sum(additive_inverse(a),d,c) ),
    inference(modus_ponens,[status(thm)],[233,232]) ).

tff(235,plain,
    sum(additive_inverse(a),d,c),
    inference(unit_resolution,[status(thm)],[234,63,231]) ).

tff(236,plain,
    sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c),
    inference(modus_ponens,[status(thm)],[235,217]) ).

tff(237,plain,
    ( sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
  <=> sum(d,additive_inverse(d),additive_identity) ),
    inference(monotonicity,[status(thm)],[180]) ).

tff(238,plain,
    ( sum(d,additive_inverse(d),additive_identity)
  <=> sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity) ),
    inference(symmetry,[status(thm)],[237]) ).

tff(239,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(d),d,additive_identity)
      | sum(d,additive_inverse(d),additive_identity) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_inverse(d),d,additive_identity)
      | sum(d,additive_inverse(d),additive_identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(240,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(d),d,additive_identity)
    | sum(d,additive_inverse(d),additive_identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(241,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_inverse(d),d,additive_identity)
    | sum(d,additive_inverse(d),additive_identity) ),
    inference(modus_ponens,[status(thm)],[240,239]) ).

tff(242,plain,
    sum(d,additive_inverse(d),additive_identity),
    inference(unit_resolution,[status(thm)],[241,63,184]) ).

tff(243,plain,
    sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity),
    inference(modus_ponens,[status(thm)],[242,238]) ).

tff(244,plain,
    ( ~ ! [X: $i] : sum(additive_identity,X,X)
    | sum(additive_identity,additive_inverse(a),additive_inverse(a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(245,plain,
    sum(additive_identity,additive_inverse(a),additive_inverse(a)),
    inference(unit_resolution,[status(thm)],[244,7]) ).

tff(246,plain,
    ( ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_identity,additive_inverse(a),additive_inverse(a))
      | sum(additive_inverse(a),additive_identity,additive_inverse(a)) )
  <=> ( ~ ! [Z: $i,Y: $i,X: $i] :
            ( ~ sum(X,Y,Z)
            | sum(Y,X,Z) )
      | ~ sum(additive_identity,additive_inverse(a),additive_inverse(a))
      | sum(additive_inverse(a),additive_identity,additive_inverse(a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(247,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_identity,additive_inverse(a),additive_inverse(a))
    | sum(additive_inverse(a),additive_identity,additive_inverse(a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(248,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] :
          ( ~ sum(X,Y,Z)
          | sum(Y,X,Z) )
    | ~ sum(additive_identity,additive_inverse(a),additive_inverse(a))
    | sum(additive_inverse(a),additive_identity,additive_inverse(a)) ),
    inference(modus_ponens,[status(thm)],[247,246]) ).

tff(249,plain,
    sum(additive_inverse(a),additive_identity,additive_inverse(a)),
    inference(unit_resolution,[status(thm)],[248,63,245]) ).

tff(250,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a))
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | sum(c,additive_inverse(d),additive_inverse(a)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a))
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | sum(c,additive_inverse(d),additive_inverse(a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(251,plain,
    ( ( sum(c,additive_inverse(d),additive_inverse(a))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a)) )
  <=> ( ~ sum(additive_inverse(a),additive_identity,additive_inverse(a))
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | sum(c,additive_inverse(d),additive_inverse(a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(252,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(c,additive_inverse(d),additive_inverse(a))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a))
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | sum(c,additive_inverse(d),additive_inverse(a)) ) ),
    inference(monotonicity,[status(thm)],[251]) ).

tff(253,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | sum(c,additive_inverse(d),additive_inverse(a))
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U)
            | ~ sum(X,V,W) )
      | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a))
      | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
      | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
      | sum(c,additive_inverse(d),additive_inverse(a)) ) ),
    inference(transitivity,[status(thm)],[252,250]) ).

tff(254,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | sum(c,additive_inverse(d),additive_inverse(a))
    | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
    | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
    | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(255,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U)
          | ~ sum(X,V,W) )
    | ~ sum(additive_inverse(a),additive_identity,additive_inverse(a))
    | ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
    | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
    | sum(c,additive_inverse(d),additive_inverse(a)) ),
    inference(modus_ponens,[status(thm)],[254,253]) ).

tff(256,plain,
    ( ~ sum(additive_inverse(a),add(c,additive_inverse(additive_inverse(b))),c)
    | ~ sum(add(c,additive_inverse(additive_inverse(b))),additive_inverse(d),additive_identity)
    | sum(c,additive_inverse(d),additive_inverse(a)) ),
    inference(unit_resolution,[status(thm)],[255,81,249]) ).

tff(257,plain,
    sum(c,additive_inverse(d),additive_inverse(a)),
    inference(unit_resolution,[status(thm)],[256,243,236]) ).

tff(258,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(259,plain,
    ( ( ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b))))
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) ) )
  <=> ( ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(260,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b))))
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ) ),
    inference(monotonicity,[status(thm)],[259]) ).

tff(261,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b))))
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(c,additive_inverse(d),additive_inverse(a))
      | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
      | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ) ),
    inference(transitivity,[status(thm)],[260,258]) ).

tff(262,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b))))
    | ~ sum(c,additive_inverse(d),additive_inverse(a))
    | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(263,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(c,additive_inverse(d),additive_inverse(a))
    | ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
    | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ),
    inference(modus_ponens,[status(thm)],[262,261]) ).

tff(264,plain,
    ( ( additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a) )
    | ~ sum(c,additive_inverse(d),additive_inverse(additive_inverse(additive_inverse(b)))) ),
    inference(unit_resolution,[status(thm)],[263,28,257]) ).

tff(265,plain,
    additive_inverse(additive_inverse(additive_inverse(b))) = additive_inverse(a),
    inference(unit_resolution,[status(thm)],[264,215]) ).

tff(266,plain,
    additive_inverse(a) = additive_inverse(additive_inverse(additive_inverse(b))),
    inference(symmetry,[status(thm)],[265]) ).

tff(267,plain,
    ( sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
  <=> sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity) ),
    inference(monotonicity,[status(thm)],[266,33]) ).

tff(268,plain,
    ( sum(additive_inverse(additive_inverse(additive_inverse(b))),additive_inverse(additive_inverse(b)),additive_identity)
  <=> sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity)) ),
    inference(symmetry,[status(thm)],[267]) ).

tff(269,plain,
    sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity)),
    inference(modus_ponens,[status(thm)],[112,268]) ).

tff(270,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(271,plain,
    ( ( sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity)) )
  <=> ( ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(272,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ) ),
    inference(monotonicity,[status(thm)],[271]) ).

tff(273,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( sum(X,V,W)
            | ~ sum(U,Z,W)
            | ~ sum(Y,Z,V)
            | ~ sum(X,Y,U) )
      | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
      | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
      | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ) ),
    inference(transitivity,[status(thm)],[272,270]) ).

tff(274,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) )
    | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
    | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b)))
    | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
    | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(275,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( sum(X,V,W)
          | ~ sum(U,Z,W)
          | ~ sum(Y,Z,V)
          | ~ sum(X,Y,U) )
    | ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
    | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
    | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
    | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ),
    inference(modus_ponens,[status(thm)],[274,273]) ).

tff(276,plain,
    ( ~ sum(additive_inverse(a),additive_inverse(additive_inverse(b)),additive_inverse(additive_identity))
    | sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
    | ~ sum(a,additive_inverse(a),additive_inverse(additive_identity))
    | ~ sum(additive_inverse(additive_identity),additive_inverse(additive_inverse(b)),additive_inverse(additive_inverse(b))) ),
    inference(unit_resolution,[status(thm)],[275,202]) ).

tff(277,plain,
    sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b))),
    inference(unit_resolution,[status(thm)],[276,269,108,103]) ).

tff(278,plain,
    ( ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(a,additive_inverse(additive_identity),a)
      | ~ sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ( a = additive_inverse(additive_inverse(b)) ) )
  <=> ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
            ( ~ sum(X,Y,U)
            | ~ sum(X,Y,V)
            | ( U = V ) )
      | ~ sum(a,additive_inverse(additive_identity),a)
      | ~ sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
      | ( a = additive_inverse(additive_inverse(b)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(279,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(a,additive_inverse(additive_identity),a)
    | ~ sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
    | ( a = additive_inverse(additive_inverse(b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(280,plain,
    ( ~ ! [V: $i,Y: $i,U: $i,X: $i] :
          ( ~ sum(X,Y,U)
          | ~ sum(X,Y,V)
          | ( U = V ) )
    | ~ sum(a,additive_inverse(additive_identity),a)
    | ~ sum(a,additive_inverse(additive_identity),additive_inverse(additive_inverse(b)))
    | ( a = additive_inverse(additive_inverse(b)) ) ),
    inference(modus_ponens,[status(thm)],[279,278]) ).

tff(281,plain,
    ( ~ sum(a,additive_inverse(additive_identity),a)
    | ( a = additive_inverse(additive_inverse(b)) ) ),
    inference(unit_resolution,[status(thm)],[280,28,277]) ).

tff(282,plain,
    $false,
    inference(unit_resolution,[status(thm)],[281,100,45]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : RNG003-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Fri Sep  2 21:28:08 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 246.24/158.42  % SZS status Unsatisfiable
% 246.24/158.42  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------