TSTP Solution File: GRP001-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : GRP001-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n011.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 : Fri Sep 16 22:25:18 EDT 2022

% Result   : Unsatisfiable 0.55s 0.63s
% Output   : Proof 0.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   82
% Syntax   : Number of formulae    :  191 (  70 unt;   7 typ;   0 def)
%            Number of atoms       :  963 (  75 equ)
%            Maximal formula atoms :   16 (   5 avg)
%            Number of connectives : 1437 ( 682   ~; 672   |;   0   &)
%                                         (  83 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    3 (   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    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  670 ( 631   !;   0   ?; 670   :)

% Comments : 
%------------------------------------------------------------------------------
tff(product_type,type,
    product: ( $i * $i * $i ) > $o ).

tff(inverse_type,type,
    inverse: $i > $i ).

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

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

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

tff(multiply_type,type,
    multiply: ( $i * $i ) > $i ).

tff(identity_type,type,
    identity: $i ).

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

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

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

tff(4,axiom,
    ! [X: $i] : product(X,X,identity),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',square_element) ).

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

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

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

tff(8,plain,
    ( ~ ! [X: $i] : product(X,X,identity)
    | product(inverse(b),inverse(b),identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    product(inverse(b),inverse(b),identity),
    inference(unit_resolution,[status(thm)],[8,7]) ).

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

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

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

tff(13,axiom,
    ! [X: $i] : product(identity,X,X),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',left_identity) ).

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

tff(15,plain,
    ! [X: $i] : product(identity,X,X),
    inference(skolemize,[status(sab)],[14]) ).

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

tff(17,plain,
    ( ~ ! [X: $i] : product(identity,X,X)
    | product(identity,b,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(18,plain,
    product(identity,b,b),
    inference(unit_resolution,[status(thm)],[17,16]) ).

tff(19,plain,
    ^ [X: $i] :
      refl(
        ( product(inverse(X),X,identity)
      <=> product(inverse(X),X,identity) )),
    inference(bind,[status(th)],]) ).

tff(20,plain,
    ( ! [X: $i] : product(inverse(X),X,identity)
  <=> ! [X: $i] : product(inverse(X),X,identity) ),
    inference(quant_intro,[status(thm)],[19]) ).

tff(21,plain,
    ( ! [X: $i] : product(inverse(X),X,identity)
  <=> ! [X: $i] : product(inverse(X),X,identity) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,axiom,
    ! [X: $i] : product(inverse(X),X,identity),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',left_inverse) ).

tff(23,plain,
    ! [X: $i] : product(inverse(X),X,identity),
    inference(modus_ponens,[status(thm)],[22,21]) ).

tff(24,plain,
    ! [X: $i] : product(inverse(X),X,identity),
    inference(skolemize,[status(sab)],[23]) ).

tff(25,plain,
    ! [X: $i] : product(inverse(X),X,identity),
    inference(modus_ponens,[status(thm)],[24,20]) ).

tff(26,plain,
    ( ~ ! [X: $i] : product(inverse(X),X,identity)
    | product(inverse(b),b,identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(27,plain,
    product(inverse(b),b,identity),
    inference(unit_resolution,[status(thm)],[26,25]) ).

tff(28,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      refl(
        ( ( product(X,V,W)
          | ~ product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U) )
      <=> ( product(X,V,W)
          | ~ product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U) ) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(X,V,W)
        | ~ product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(X,V,W)
        | ~ product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U) ) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(X,V,W)
        | ~ product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(X,V,W)
        | ~ product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(31,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ product(X,Y,U)
              | ~ product(Y,Z,V)
              | ~ product(U,Z,W) )
          <=> ( ~ product(U,Z,W)
              | ~ product(Y,Z,V)
              | ~ product(X,Y,U) ) )),
          ( ( ~ product(X,Y,U)
            | ~ product(Y,Z,V)
            | ~ product(U,Z,W)
            | product(X,V,W) )
        <=> ( ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | product(X,V,W) ) )),
        rewrite(
          ( ( ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | product(X,V,W) )
        <=> ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) ) )),
        ( ( ~ product(X,Y,U)
          | ~ product(Y,Z,V)
          | ~ product(U,Z,W)
          | product(X,V,W) )
      <=> ( product(X,V,W)
          | ~ product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U) ) )),
    inference(bind,[status(th)],]) ).

tff(32,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ product(X,Y,U)
        | ~ product(Y,Z,V)
        | ~ product(U,Z,W)
        | product(X,V,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(X,V,W)
        | ~ product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U) ) ),
    inference(quant_intro,[status(thm)],[31]) ).

tff(33,axiom,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( ~ product(X,Y,U)
      | ~ product(Y,Z,V)
      | ~ product(U,Z,W)
      | product(X,V,W) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',associativity1) ).

tff(34,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(X,V,W)
      | ~ product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U) ),
    inference(modus_ponens,[status(thm)],[33,32]) ).

tff(35,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(X,V,W)
      | ~ product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U) ),
    inference(modus_ponens,[status(thm)],[34,30]) ).

tff(36,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(X,V,W)
      | ~ product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U) ),
    inference(skolemize,[status(sab)],[35]) ).

tff(37,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(X,V,W)
      | ~ product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U) ),
    inference(modus_ponens,[status(thm)],[36,29]) ).

tff(38,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) )
      | ~ product(identity,b,b)
      | product(inverse(b),identity,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) )
      | ~ product(identity,b,b)
      | product(inverse(b),identity,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(39,plain,
    ( ( product(inverse(b),identity,b)
      | ~ product(identity,b,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) )
  <=> ( ~ product(identity,b,b)
      | product(inverse(b),identity,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) )
      | product(inverse(b),identity,b)
      | ~ product(identity,b,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) )
      | ~ product(identity,b,b)
      | product(inverse(b),identity,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) ) ),
    inference(monotonicity,[status(thm)],[39]) ).

tff(41,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) )
      | product(inverse(b),identity,b)
      | ~ product(identity,b,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(X,V,W)
            | ~ product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U) )
      | ~ product(identity,b,b)
      | product(inverse(b),identity,b)
      | ~ product(inverse(b),b,identity)
      | ~ product(inverse(b),inverse(b),identity) ) ),
    inference(transitivity,[status(thm)],[40,38]) ).

tff(42,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(X,V,W)
          | ~ product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U) )
    | product(inverse(b),identity,b)
    | ~ product(identity,b,b)
    | ~ product(inverse(b),b,identity)
    | ~ product(inverse(b),inverse(b),identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(43,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(X,V,W)
          | ~ product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U) )
    | ~ product(identity,b,b)
    | product(inverse(b),identity,b)
    | ~ product(inverse(b),b,identity)
    | ~ product(inverse(b),inverse(b),identity) ),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    product(inverse(b),identity,b),
    inference(unit_resolution,[status(thm)],[43,37,27,18,9]) ).

tff(45,plain,
    ^ [X: $i] :
      refl(
        ( product(X,identity,X)
      <=> product(X,identity,X) )),
    inference(bind,[status(th)],]) ).

tff(46,plain,
    ( ! [X: $i] : product(X,identity,X)
  <=> ! [X: $i] : product(X,identity,X) ),
    inference(quant_intro,[status(thm)],[45]) ).

tff(47,plain,
    ( ! [X: $i] : product(X,identity,X)
  <=> ! [X: $i] : product(X,identity,X) ),
    inference(rewrite,[status(thm)],]) ).

tff(48,axiom,
    ! [X: $i] : product(X,identity,X),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',right_identity) ).

tff(49,plain,
    ! [X: $i] : product(X,identity,X),
    inference(modus_ponens,[status(thm)],[48,47]) ).

tff(50,plain,
    ! [X: $i] : product(X,identity,X),
    inference(skolemize,[status(sab)],[49]) ).

tff(51,plain,
    ! [X: $i] : product(X,identity,X),
    inference(modus_ponens,[status(thm)],[50,46]) ).

tff(52,plain,
    ( ~ ! [X: $i] : product(X,identity,X)
    | product(inverse(b),identity,inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(53,plain,
    product(inverse(b),identity,inverse(b)),
    inference(unit_resolution,[status(thm)],[52,51]) ).

tff(54,plain,
    ^ [W: $i,Z: $i,Y: $i,X: $i] :
      refl(
        ( ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
      <=> ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) ) )),
    inference(bind,[status(th)],]) ).

tff(55,plain,
    ( ! [W: $i,Z: $i,Y: $i,X: $i] :
        ( ( Z = W )
        | ~ product(X,Y,W)
        | ~ product(X,Y,Z) )
  <=> ! [W: $i,Z: $i,Y: $i,X: $i] :
        ( ( Z = W )
        | ~ product(X,Y,W)
        | ~ product(X,Y,Z) ) ),
    inference(quant_intro,[status(thm)],[54]) ).

tff(56,plain,
    ( ! [W: $i,Z: $i,Y: $i,X: $i] :
        ( ( Z = W )
        | ~ product(X,Y,W)
        | ~ product(X,Y,Z) )
  <=> ! [W: $i,Z: $i,Y: $i,X: $i] :
        ( ( Z = W )
        | ~ product(X,Y,W)
        | ~ product(X,Y,Z) ) ),
    inference(rewrite,[status(thm)],]) ).

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

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

tff(59,axiom,
    ! [W: $i,Z: $i,Y: $i,X: $i] :
      ( ~ product(X,Y,Z)
      | ~ product(X,Y,W)
      | ( Z = W ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',total_function2) ).

tff(60,plain,
    ! [W: $i,Z: $i,Y: $i,X: $i] :
      ( ( Z = W )
      | ~ product(X,Y,W)
      | ~ product(X,Y,Z) ),
    inference(modus_ponens,[status(thm)],[59,58]) ).

tff(61,plain,
    ! [W: $i,Z: $i,Y: $i,X: $i] :
      ( ( Z = W )
      | ~ product(X,Y,W)
      | ~ product(X,Y,Z) ),
    inference(modus_ponens,[status(thm)],[60,56]) ).

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

tff(63,plain,
    ! [W: $i,Z: $i,Y: $i,X: $i] :
      ( ( Z = W )
      | ~ product(X,Y,W)
      | ~ product(X,Y,Z) ),
    inference(modus_ponens,[status(thm)],[62,55]) ).

tff(64,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b)
      | ( b = inverse(b) ) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b)
      | ( b = inverse(b) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(65,plain,
    ( ( ( b = inverse(b) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b) )
  <=> ( ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b)
      | ( b = inverse(b) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(66,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ( b = inverse(b) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b)
      | ( b = inverse(b) ) ) ),
    inference(monotonicity,[status(thm)],[65]) ).

tff(67,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ( b = inverse(b) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(inverse(b),identity,inverse(b))
      | ~ product(inverse(b),identity,b)
      | ( b = inverse(b) ) ) ),
    inference(transitivity,[status(thm)],[66,64]) ).

tff(68,plain,
    ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
          ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
    | ( b = inverse(b) )
    | ~ product(inverse(b),identity,inverse(b))
    | ~ product(inverse(b),identity,b) ),
    inference(quant_inst,[status(thm)],]) ).

tff(69,plain,
    ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
          ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
    | ~ product(inverse(b),identity,inverse(b))
    | ~ product(inverse(b),identity,b)
    | ( b = inverse(b) ) ),
    inference(modus_ponens,[status(thm)],[68,67]) ).

tff(70,plain,
    b = inverse(b),
    inference(unit_resolution,[status(thm)],[69,63,53,44]) ).

tff(71,plain,
    inverse(b) = b,
    inference(symmetry,[status(thm)],[70]) ).

tff(72,plain,
    ( product(multiply(inverse(c),a),inverse(b),identity)
  <=> product(multiply(inverse(c),a),b,identity) ),
    inference(monotonicity,[status(thm)],[71]) ).

tff(73,plain,
    ( product(multiply(inverse(c),a),b,identity)
  <=> product(multiply(inverse(c),a),inverse(b),identity) ),
    inference(symmetry,[status(thm)],[72]) ).

tff(74,plain,
    ^ [X: $i] :
      refl(
        ( product(X,inverse(X),identity)
      <=> product(X,inverse(X),identity) )),
    inference(bind,[status(th)],]) ).

tff(75,plain,
    ( ! [X: $i] : product(X,inverse(X),identity)
  <=> ! [X: $i] : product(X,inverse(X),identity) ),
    inference(quant_intro,[status(thm)],[74]) ).

tff(76,plain,
    ( ! [X: $i] : product(X,inverse(X),identity)
  <=> ! [X: $i] : product(X,inverse(X),identity) ),
    inference(rewrite,[status(thm)],]) ).

tff(77,axiom,
    ! [X: $i] : product(X,inverse(X),identity),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',right_inverse) ).

tff(78,plain,
    ! [X: $i] : product(X,inverse(X),identity),
    inference(modus_ponens,[status(thm)],[77,76]) ).

tff(79,plain,
    ! [X: $i] : product(X,inverse(X),identity),
    inference(skolemize,[status(sab)],[78]) ).

tff(80,plain,
    ! [X: $i] : product(X,inverse(X),identity),
    inference(modus_ponens,[status(thm)],[79,75]) ).

tff(81,plain,
    ( ~ ! [X: $i] : product(X,inverse(X),identity)
    | product(c,inverse(c),identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(82,plain,
    product(c,inverse(c),identity),
    inference(unit_resolution,[status(thm)],[81,80]) ).

tff(83,plain,
    ( ~ ! [X: $i] : product(X,identity,X)
    | product(c,identity,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(84,plain,
    product(c,identity,c),
    inference(unit_resolution,[status(thm)],[83,51]) ).

tff(85,plain,
    ( ~ ! [X: $i] : product(X,X,identity)
    | product(c,c,identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(86,plain,
    product(c,c,identity),
    inference(unit_resolution,[status(thm)],[85,7]) ).

tff(87,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      refl(
        ( ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
      <=> ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) ) )),
    inference(bind,[status(th)],]) ).

tff(88,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U)
        | ~ product(X,V,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U)
        | ~ product(X,V,W) ) ),
    inference(quant_intro,[status(thm)],[87]) ).

tff(89,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U)
        | ~ product(X,V,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U)
        | ~ product(X,V,W) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(90,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ product(X,Y,U)
              | ~ product(Y,Z,V)
              | ~ product(X,V,W) )
          <=> ( ~ product(Y,Z,V)
              | ~ product(X,Y,U)
              | ~ product(X,V,W) ) )),
          ( ( ~ product(X,Y,U)
            | ~ product(Y,Z,V)
            | ~ product(X,V,W)
            | product(U,Z,W) )
        <=> ( ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W)
            | product(U,Z,W) ) )),
        rewrite(
          ( ( ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W)
            | product(U,Z,W) )
        <=> ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) ) )),
        ( ( ~ product(X,Y,U)
          | ~ product(Y,Z,V)
          | ~ product(X,V,W)
          | product(U,Z,W) )
      <=> ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) ) )),
    inference(bind,[status(th)],]) ).

tff(91,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ product(X,Y,U)
        | ~ product(Y,Z,V)
        | ~ product(X,V,W)
        | product(U,Z,W) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( product(U,Z,W)
        | ~ product(Y,Z,V)
        | ~ product(X,Y,U)
        | ~ product(X,V,W) ) ),
    inference(quant_intro,[status(thm)],[90]) ).

tff(92,axiom,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( ~ product(X,Y,U)
      | ~ product(Y,Z,V)
      | ~ product(X,V,W)
      | product(U,Z,W) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',associativity2) ).

tff(93,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U)
      | ~ product(X,V,W) ),
    inference(modus_ponens,[status(thm)],[92,91]) ).

tff(94,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U)
      | ~ product(X,V,W) ),
    inference(modus_ponens,[status(thm)],[93,89]) ).

tff(95,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U)
      | ~ product(X,V,W) ),
    inference(skolemize,[status(sab)],[94]) ).

tff(96,plain,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( product(U,Z,W)
      | ~ product(Y,Z,V)
      | ~ product(X,Y,U)
      | ~ product(X,V,W) ),
    inference(modus_ponens,[status(thm)],[95,88]) ).

tff(97,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(c,inverse(c),identity)
      | product(identity,inverse(c),c)
      | ~ product(c,identity,c)
      | ~ product(c,c,identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(c,inverse(c),identity)
      | product(identity,inverse(c),c)
      | ~ product(c,identity,c)
      | ~ product(c,c,identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(98,plain,
    ( ( product(identity,inverse(c),c)
      | ~ product(c,inverse(c),identity)
      | ~ product(c,c,identity)
      | ~ product(c,identity,c) )
  <=> ( ~ product(c,inverse(c),identity)
      | product(identity,inverse(c),c)
      | ~ product(c,identity,c)
      | ~ product(c,c,identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(99,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(identity,inverse(c),c)
      | ~ product(c,inverse(c),identity)
      | ~ product(c,c,identity)
      | ~ product(c,identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(c,inverse(c),identity)
      | product(identity,inverse(c),c)
      | ~ product(c,identity,c)
      | ~ product(c,c,identity) ) ),
    inference(monotonicity,[status(thm)],[98]) ).

tff(100,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(identity,inverse(c),c)
      | ~ product(c,inverse(c),identity)
      | ~ product(c,c,identity)
      | ~ product(c,identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(c,inverse(c),identity)
      | product(identity,inverse(c),c)
      | ~ product(c,identity,c)
      | ~ product(c,c,identity) ) ),
    inference(transitivity,[status(thm)],[99,97]) ).

tff(101,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(identity,inverse(c),c)
    | ~ product(c,inverse(c),identity)
    | ~ product(c,c,identity)
    | ~ product(c,identity,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(102,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | ~ product(c,inverse(c),identity)
    | product(identity,inverse(c),c)
    | ~ product(c,identity,c)
    | ~ product(c,c,identity) ),
    inference(modus_ponens,[status(thm)],[101,100]) ).

tff(103,plain,
    product(identity,inverse(c),c),
    inference(unit_resolution,[status(thm)],[102,96,86,84,82]) ).

tff(104,plain,
    ( ~ ! [X: $i] : product(identity,X,X)
    | product(identity,inverse(c),inverse(c)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(105,plain,
    product(identity,inverse(c),inverse(c)),
    inference(unit_resolution,[status(thm)],[104,16]) ).

tff(106,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(c),c)
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),inverse(c)) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(c),c)
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),inverse(c)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(107,plain,
    ( ( ( inverse(c) = c )
      | ~ product(identity,inverse(c),c)
      | ~ product(identity,inverse(c),inverse(c)) )
  <=> ( ~ product(identity,inverse(c),c)
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),inverse(c)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(108,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),c)
      | ~ product(identity,inverse(c),inverse(c)) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(c),c)
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),inverse(c)) ) ),
    inference(monotonicity,[status(thm)],[107]) ).

tff(109,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),c)
      | ~ product(identity,inverse(c),inverse(c)) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(c),c)
      | ( inverse(c) = c )
      | ~ product(identity,inverse(c),inverse(c)) ) ),
    inference(transitivity,[status(thm)],[108,106]) ).

tff(110,plain,
    ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
          ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
    | ( inverse(c) = c )
    | ~ product(identity,inverse(c),c)
    | ~ product(identity,inverse(c),inverse(c)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(111,plain,
    ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
          ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
    | ~ product(identity,inverse(c),c)
    | ( inverse(c) = c )
    | ~ product(identity,inverse(c),inverse(c)) ),
    inference(modus_ponens,[status(thm)],[110,109]) ).

tff(112,plain,
    inverse(c) = c,
    inference(unit_resolution,[status(thm)],[111,63,105,103]) ).

tff(113,plain,
    c = inverse(c),
    inference(symmetry,[status(thm)],[112]) ).

tff(114,plain,
    ( product(c,a,multiply(inverse(c),a))
  <=> product(inverse(c),a,multiply(inverse(c),a)) ),
    inference(monotonicity,[status(thm)],[113]) ).

tff(115,plain,
    ( product(inverse(c),a,multiply(inverse(c),a))
  <=> product(c,a,multiply(inverse(c),a)) ),
    inference(symmetry,[status(thm)],[114]) ).

tff(116,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( product(X,Y,multiply(X,Y))
      <=> product(X,Y,multiply(X,Y)) )),
    inference(bind,[status(th)],]) ).

tff(117,plain,
    ( ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y))
  <=> ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y)) ),
    inference(quant_intro,[status(thm)],[116]) ).

tff(118,plain,
    ( ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y))
  <=> ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y)) ),
    inference(rewrite,[status(thm)],]) ).

tff(119,axiom,
    ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y)),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP003-0.ax',total_function1) ).

tff(120,plain,
    ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y)),
    inference(modus_ponens,[status(thm)],[119,118]) ).

tff(121,plain,
    ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y)),
    inference(skolemize,[status(sab)],[120]) ).

tff(122,plain,
    ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y)),
    inference(modus_ponens,[status(thm)],[121,117]) ).

tff(123,plain,
    ( ~ ! [Y: $i,X: $i] : product(X,Y,multiply(X,Y))
    | product(inverse(c),a,multiply(inverse(c),a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(124,plain,
    product(inverse(c),a,multiply(inverse(c),a)),
    inference(unit_resolution,[status(thm)],[123,122]) ).

tff(125,plain,
    product(c,a,multiply(inverse(c),a)),
    inference(modus_ponens,[status(thm)],[124,115]) ).

tff(126,plain,
    ( product(a,b,c)
  <=> product(a,b,c) ),
    inference(rewrite,[status(thm)],]) ).

tff(127,axiom,
    product(a,b,c),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_times_b_is_c) ).

tff(128,plain,
    product(a,b,c),
    inference(modus_ponens,[status(thm)],[127,126]) ).

tff(129,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(a,b,c)
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(a,b,c)
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(130,plain,
    ( ( product(multiply(inverse(c),a),b,identity)
      | ~ product(a,b,c)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) )
  <=> ( ~ product(a,b,c)
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(131,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(a,b,c)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(a,b,c)
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) ) ),
    inference(monotonicity,[status(thm)],[130]) ).

tff(132,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(a,b,c)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(a,b,c)
      | product(multiply(inverse(c),a),b,identity)
      | ~ product(c,a,multiply(inverse(c),a))
      | ~ product(c,c,identity) ) ),
    inference(transitivity,[status(thm)],[131,129]) ).

tff(133,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(multiply(inverse(c),a),b,identity)
    | ~ product(a,b,c)
    | ~ product(c,a,multiply(inverse(c),a))
    | ~ product(c,c,identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(134,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | ~ product(a,b,c)
    | product(multiply(inverse(c),a),b,identity)
    | ~ product(c,a,multiply(inverse(c),a))
    | ~ product(c,c,identity) ),
    inference(modus_ponens,[status(thm)],[133,132]) ).

tff(135,plain,
    ( product(multiply(inverse(c),a),b,identity)
    | ~ product(c,a,multiply(inverse(c),a)) ),
    inference(unit_resolution,[status(thm)],[134,96,128,86]) ).

tff(136,plain,
    product(multiply(inverse(c),a),b,identity),
    inference(unit_resolution,[status(thm)],[135,125]) ).

tff(137,plain,
    product(multiply(inverse(c),a),inverse(b),identity),
    inference(modus_ponens,[status(thm)],[136,73]) ).

tff(138,plain,
    ( ~ ! [X: $i] : product(X,X,identity)
    | product(multiply(inverse(c),a),multiply(inverse(c),a),identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(139,plain,
    product(multiply(inverse(c),a),multiply(inverse(c),a),identity),
    inference(unit_resolution,[status(thm)],[138,7]) ).

tff(140,plain,
    ( ~ ! [X: $i] : product(X,identity,X)
    | product(multiply(inverse(c),a),identity,multiply(inverse(c),a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(141,plain,
    product(multiply(inverse(c),a),identity,multiply(inverse(c),a)),
    inference(unit_resolution,[status(thm)],[140,51]) ).

tff(142,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a))
      | product(identity,inverse(b),multiply(inverse(c),a))
      | ~ product(multiply(inverse(c),a),inverse(b),identity)
      | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a))
      | product(identity,inverse(b),multiply(inverse(c),a))
      | ~ product(multiply(inverse(c),a),inverse(b),identity)
      | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(143,plain,
    ( ( product(identity,inverse(b),multiply(inverse(c),a))
      | ~ product(multiply(inverse(c),a),inverse(b),identity)
      | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity)
      | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a)) )
  <=> ( ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a))
      | product(identity,inverse(b),multiply(inverse(c),a))
      | ~ product(multiply(inverse(c),a),inverse(b),identity)
      | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(144,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(identity,inverse(b),multiply(inverse(c),a))
      | ~ product(multiply(inverse(c),a),inverse(b),identity)
      | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity)
      | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a))
      | product(identity,inverse(b),multiply(inverse(c),a))
      | ~ product(multiply(inverse(c),a),inverse(b),identity)
      | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity) ) ),
    inference(monotonicity,[status(thm)],[143]) ).

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

tff(146,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(identity,inverse(b),multiply(inverse(c),a))
    | ~ product(multiply(inverse(c),a),inverse(b),identity)
    | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity)
    | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(147,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | ~ product(multiply(inverse(c),a),identity,multiply(inverse(c),a))
    | product(identity,inverse(b),multiply(inverse(c),a))
    | ~ product(multiply(inverse(c),a),inverse(b),identity)
    | ~ product(multiply(inverse(c),a),multiply(inverse(c),a),identity) ),
    inference(modus_ponens,[status(thm)],[146,145]) ).

tff(148,plain,
    ( product(identity,inverse(b),multiply(inverse(c),a))
    | ~ product(multiply(inverse(c),a),inverse(b),identity) ),
    inference(unit_resolution,[status(thm)],[147,96,141,139]) ).

tff(149,plain,
    product(identity,inverse(b),multiply(inverse(c),a)),
    inference(unit_resolution,[status(thm)],[148,137]) ).

tff(150,plain,
    ( ~ ! [X: $i] : product(identity,X,X)
    | product(identity,inverse(b),inverse(b)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(151,plain,
    product(identity,inverse(b),inverse(b)),
    inference(unit_resolution,[status(thm)],[150,16]) ).

tff(152,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(b),inverse(b))
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(b),inverse(b))
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(153,plain,
    ( ( ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),inverse(b))
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) )
  <=> ( ~ product(identity,inverse(b),inverse(b))
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(154,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),inverse(b))
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(b),inverse(b))
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) ) ),
    inference(monotonicity,[status(thm)],[153]) ).

tff(155,plain,
    ( ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),inverse(b))
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) )
  <=> ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
            ( ( Z = W )
            | ~ product(X,Y,W)
            | ~ product(X,Y,Z) )
      | ~ product(identity,inverse(b),inverse(b))
      | ( multiply(inverse(c),a) = inverse(b) )
      | ~ product(identity,inverse(b),multiply(inverse(c),a)) ) ),
    inference(transitivity,[status(thm)],[154,152]) ).

tff(156,plain,
    ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
          ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
    | ( multiply(inverse(c),a) = inverse(b) )
    | ~ product(identity,inverse(b),inverse(b))
    | ~ product(identity,inverse(b),multiply(inverse(c),a)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(157,plain,
    ( ~ ! [W: $i,Z: $i,Y: $i,X: $i] :
          ( ( Z = W )
          | ~ product(X,Y,W)
          | ~ product(X,Y,Z) )
    | ~ product(identity,inverse(b),inverse(b))
    | ( multiply(inverse(c),a) = inverse(b) )
    | ~ product(identity,inverse(b),multiply(inverse(c),a)) ),
    inference(modus_ponens,[status(thm)],[156,155]) ).

tff(158,plain,
    multiply(inverse(c),a) = inverse(b),
    inference(unit_resolution,[status(thm)],[157,63,151,149]) ).

tff(159,plain,
    inverse(b) = multiply(inverse(c),a),
    inference(symmetry,[status(thm)],[158]) ).

tff(160,plain,
    ( product(c,a,inverse(b))
  <=> product(inverse(c),a,multiply(inverse(c),a)) ),
    inference(monotonicity,[status(thm)],[113,159]) ).

tff(161,plain,
    ( product(inverse(c),a,multiply(inverse(c),a))
  <=> product(c,a,inverse(b)) ),
    inference(symmetry,[status(thm)],[160]) ).

tff(162,plain,
    product(c,a,inverse(b)),
    inference(modus_ponens,[status(thm)],[124,161]) ).

tff(163,plain,
    ( ~ ! [X: $i] : product(identity,X,X)
    | product(identity,a,a) ),
    inference(quant_inst,[status(thm)],]) ).

tff(164,plain,
    product(identity,a,a),
    inference(unit_resolution,[status(thm)],[163,16]) ).

tff(165,plain,
    ( ~ product(b,a,c)
  <=> ~ product(b,a,c) ),
    inference(rewrite,[status(thm)],]) ).

tff(166,axiom,
    ~ product(b,a,c),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_b_times_a_is_c) ).

tff(167,plain,
    ~ product(b,a,c),
    inference(modus_ponens,[status(thm)],[166,165]) ).

tff(168,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),a,c)
      | ~ product(inverse(b),identity,b) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),a,c)
      | ~ product(inverse(b),identity,b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(169,plain,
    ( ( product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),identity,b)
      | ~ product(inverse(b),a,c) )
  <=> ( product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),a,c)
      | ~ product(inverse(b),identity,b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(170,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),identity,b)
      | ~ product(inverse(b),a,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),a,c)
      | ~ product(inverse(b),identity,b) ) ),
    inference(monotonicity,[status(thm)],[169]) ).

tff(171,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),identity,b)
      | ~ product(inverse(b),a,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(b,a,c)
      | ~ product(identity,a,a)
      | ~ product(inverse(b),a,c)
      | ~ product(inverse(b),identity,b) ) ),
    inference(transitivity,[status(thm)],[170,168]) ).

tff(172,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(b,a,c)
    | ~ product(identity,a,a)
    | ~ product(inverse(b),identity,b)
    | ~ product(inverse(b),a,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(173,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(b,a,c)
    | ~ product(identity,a,a)
    | ~ product(inverse(b),a,c)
    | ~ product(inverse(b),identity,b) ),
    inference(modus_ponens,[status(thm)],[172,171]) ).

tff(174,plain,
    ~ product(inverse(b),a,c),
    inference(unit_resolution,[status(thm)],[173,96,167,164,44]) ).

tff(175,plain,
    ( ~ ! [X: $i] : product(X,X,identity)
    | product(a,a,identity) ),
    inference(quant_inst,[status(thm)],]) ).

tff(176,plain,
    product(a,a,identity),
    inference(unit_resolution,[status(thm)],[175,7]) ).

tff(177,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(inverse(b),a,c)
      | ~ product(c,identity,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b)) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(inverse(b),a,c)
      | ~ product(c,identity,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(178,plain,
    ( ( product(inverse(b),a,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b))
      | ~ product(c,identity,c) )
  <=> ( product(inverse(b),a,c)
      | ~ product(c,identity,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(179,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(inverse(b),a,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b))
      | ~ product(c,identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(inverse(b),a,c)
      | ~ product(c,identity,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b)) ) ),
    inference(monotonicity,[status(thm)],[178]) ).

tff(180,plain,
    ( ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(inverse(b),a,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b))
      | ~ product(c,identity,c) )
  <=> ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
            ( product(U,Z,W)
            | ~ product(Y,Z,V)
            | ~ product(X,Y,U)
            | ~ product(X,V,W) )
      | product(inverse(b),a,c)
      | ~ product(c,identity,c)
      | ~ product(a,a,identity)
      | ~ product(c,a,inverse(b)) ) ),
    inference(transitivity,[status(thm)],[179,177]) ).

tff(181,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(inverse(b),a,c)
    | ~ product(a,a,identity)
    | ~ product(c,a,inverse(b))
    | ~ product(c,identity,c) ),
    inference(quant_inst,[status(thm)],]) ).

tff(182,plain,
    ( ~ ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
          ( product(U,Z,W)
          | ~ product(Y,Z,V)
          | ~ product(X,Y,U)
          | ~ product(X,V,W) )
    | product(inverse(b),a,c)
    | ~ product(c,identity,c)
    | ~ product(a,a,identity)
    | ~ product(c,a,inverse(b)) ),
    inference(modus_ponens,[status(thm)],[181,180]) ).

tff(183,plain,
    ~ product(c,a,inverse(b)),
    inference(unit_resolution,[status(thm)],[182,96,84,176,174]) ).

tff(184,plain,
    $false,
    inference(unit_resolution,[status(thm)],[183,162]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.10  % Problem  : GRP001-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.11  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.10/0.31  % Computer : n011.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 300
% 0.10/0.31  % DateTime : Wed Aug 31 13:57:11 EDT 2022
% 0.10/0.32  % CPUTime  : 
% 0.16/0.32  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.16/0.32  Usage: tptp [options] [-file:]file
% 0.16/0.32    -h, -?       prints this message.
% 0.16/0.32    -smt2        print SMT-LIB2 benchmark.
% 0.16/0.32    -m, -model   generate model.
% 0.16/0.32    -p, -proof   generate proof.
% 0.16/0.32    -c, -core    generate unsat core of named formulas.
% 0.16/0.32    -st, -statistics display statistics.
% 0.16/0.32    -t:timeout   set timeout (in second).
% 0.16/0.32    -smt2status  display status in smt2 format instead of SZS.
% 0.16/0.32    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.16/0.32    -<param>:<value> configuration parameter and value.
% 0.16/0.32    -o:<output-file> file to place output in.
% 0.55/0.63  % SZS status Unsatisfiable
% 0.55/0.63  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------