TSTP Solution File: PUZ023-1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : PUZ023-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n019.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  : 600s
% DateTime : Mon Jul 18 18:19:18 EDT 2022

% Result   : Unsatisfiable 0.19s 0.44s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   38
% Syntax   : Number of formulae    :  208 (  90 unt;  15 typ;   0 def)
%            Number of atoms       : 1307 ( 327 equ;   0 cnn)
%            Maximal formula atoms :    5 (   6 avg)
%            Number of connectives : 2046 ( 308   ~; 460   |;   0   &;1278   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    9 (   9   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   18 (  15 usr;  11 con; 0-3 aty)
%            Number of variables   :  361 (   0   ^ 361   !;   0   ?; 361   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_a,type,
    a: $i ).

thf(tp_a_truth,type,
    a_truth: $i > $o ).

thf(tp_an_answer,type,
    an_answer: $i > $o ).

thf(tp_b,type,
    b: $i ).

thf(tp_b_and_c_liars,type,
    b_and_c_liars: $i ).

thf(tp_b_and_c_truthtellers,type,
    b_and_c_truthtellers: $i ).

thf(tp_b_liar_and_c_truthteller,type,
    b_liar_and_c_truthteller: $i ).

thf(tp_b_truthteller_and_c_liar,type,
    b_truthteller_and_c_liar: $i ).

thf(tp_c,type,
    c: $i ).

thf(tp_garbage,type,
    garbage: $i ).

thf(tp_liar,type,
    liar: $i > $i ).

thf(tp_one_truthteller,type,
    one_truthteller: $i ).

thf(tp_people,type,
    people: $i > $i > $i > $o ).

thf(tp_says,type,
    says: $i > $i > $i ).

thf(tp_truthteller,type,
    truthteller: $i > $i ).

thf(1,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ( a_truth @ one_truthteller )
      | ~ ( a_truth @ ( truthteller @ Z ) )
      | ( a_truth @ ( truthteller @ Y ) )
      | ( a_truth @ ( truthteller @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identify_one_truthteller3) ).

thf(2,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ( a_truth @ one_truthteller )
      | ~ ( a_truth @ ( truthteller @ Y ) )
      | ( a_truth @ ( truthteller @ X ) )
      | ( a_truth @ ( truthteller @ Z ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identify_one_truthteller2) ).

thf(3,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ( a_truth @ one_truthteller )
      | ~ ( a_truth @ ( truthteller @ X ) )
      | ( a_truth @ ( truthteller @ Y ) )
      | ( a_truth @ ( truthteller @ Z ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identify_one_truthteller1) ).

thf(4,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ~ ( a_truth @ ( truthteller @ Y ) )
      | ~ ( a_truth @ ( truthteller @ Z ) )
      | ~ ( a_truth @ one_truthteller ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',two_truthtellers3) ).

thf(5,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ~ ( a_truth @ ( truthteller @ X ) )
      | ~ ( a_truth @ ( truthteller @ Z ) )
      | ~ ( a_truth @ one_truthteller ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',two_truthtellers2) ).

thf(6,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ~ ( a_truth @ ( truthteller @ X ) )
      | ~ ( a_truth @ ( truthteller @ Y ) )
      | ~ ( a_truth @ one_truthteller ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',two_truthtellers1) ).

thf(7,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ~ ( people @ X @ Y @ Z )
      | ~ ( a_truth @ one_truthteller )
      | ( a_truth @ ( truthteller @ X ) )
      | ( a_truth @ ( truthteller @ Y ) )
      | ( a_truth @ ( truthteller @ Z ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',one_is_the_truthteller) ).

thf(8,axiom,
    ! [Statement: $i,Liar: $i] :
      ( ( a_truth @ Statement )
      | ~ ( a_truth @ ( says @ Liar @ Statement ) )
      | ( a_truth @ ( liar @ Liar ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',liars_are_told_by_liars) ).

thf(9,axiom,
    ! [Statement: $i,Truthteller: $i] :
      ( ~ ( a_truth @ Statement )
      | ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
      | ( a_truth @ ( truthteller @ Truthteller ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',truths_are_told_by_truthtellers) ).

thf(10,axiom,
    ! [Liar: $i,Statement: $i] :
      ( ~ ( a_truth @ ( liar @ Liar ) )
      | ~ ( a_truth @ ( says @ Liar @ Statement ) )
      | ~ ( a_truth @ Statement ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',liars_lie) ).

thf(11,axiom,
    ! [Truthteller: $i,Statement: $i] :
      ( ~ ( a_truth @ ( truthteller @ Truthteller ) )
      | ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
      | ( a_truth @ Statement ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',truthtellers_tell_truth) ).

thf(12,axiom,
    ! [X: $i] :
      ( ~ ( a_truth @ ( truthteller @ X ) )
      | ~ ( a_truth @ ( liar @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_both) ).

thf(13,axiom,
    ! [X: $i] :
      ( ( a_truth @ ( truthteller @ X ) )
      | ( a_truth @ ( liar @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',truthteller_or_liar) ).

thf(14,axiom,
    ( ~ ( a_truth @ ( truthteller @ b ) )
    | ~ ( a_truth @ ( truthteller @ c ) )
    | ( an_answer @ b_and_c_truthtellers ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_and_c_truthtellers) ).

thf(15,axiom,
    ( ~ ( a_truth @ ( truthteller @ b ) )
    | ~ ( a_truth @ ( liar @ c ) )
    | ( an_answer @ b_truthteller_and_c_liar ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_truthteller_and_c_liar) ).

thf(16,axiom,
    ( ~ ( a_truth @ ( liar @ b ) )
    | ~ ( a_truth @ ( truthteller @ c ) )
    | ( an_answer @ b_liar_and_c_truthteller ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_liar_and_c_truthteller) ).

thf(17,axiom,
    ( ~ ( a_truth @ ( liar @ b ) )
    | ~ ( a_truth @ ( liar @ c ) )
    | ( an_answer @ b_and_c_liars ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_and_c_liars) ).

thf(18,axiom,
    a_truth @ ( says @ c @ ( liar @ b ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c_says_b_lies) ).

thf(19,axiom,
    a_truth @ ( says @ b @ ( says @ a @ one_truthteller ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_says_a_says_one_truthteller) ).

thf(20,axiom,
    a_truth @ ( says @ a @ garbage ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_says_garbage) ).

thf(21,axiom,
    people @ a @ b @ c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_b_and_c_are_people) ).

thf(22,conjecture,
    $false,
    file('no conjecture given, we try to refute the axioms',dummy_conjecture) ).

thf(23,negated_conjecture,
    $false = $false,
    inference(negate_conjecture,[status(cth)],[22]) ).

thf(24,negated_conjecture,
    ! [X: $i] :
      ~ ( an_answer @ X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_there_is_an_answer) ).

thf(25,plain,
    $false = $false,
    inference(unfold_def,[status(thm)],[23]) ).

thf(26,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ Z ) )
          | ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(27,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( truthteller @ Z ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(28,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ Z ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(29,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ~ ( a_truth @ ( truthteller @ Z ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(30,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( truthteller @ Z ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(31,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(32,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ one_truthteller )
          | ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ Z ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(33,plain,
    ( ( ! [Statement: $i,Liar: $i] :
          ( ( a_truth @ Statement )
          | ~ ( a_truth @ ( says @ Liar @ Statement ) )
          | ( a_truth @ ( liar @ Liar ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(34,plain,
    ( ( ! [Statement: $i,Truthteller: $i] :
          ( ~ ( a_truth @ Statement )
          | ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
          | ( a_truth @ ( truthteller @ Truthteller ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(35,plain,
    ( ( ! [Liar: $i,Statement: $i] :
          ( ~ ( a_truth @ ( liar @ Liar ) )
          | ~ ( a_truth @ ( says @ Liar @ Statement ) )
          | ~ ( a_truth @ Statement ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(36,plain,
    ( ( ! [Truthteller: $i,Statement: $i] :
          ( ~ ( a_truth @ ( truthteller @ Truthteller ) )
          | ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
          | ( a_truth @ Statement ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(37,plain,
    ( ( ! [X: $i] :
          ( ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( liar @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(38,plain,
    ( ( ! [X: $i] :
          ( ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( liar @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(39,plain,
    ( ( ~ ( a_truth @ ( truthteller @ b ) )
      | ~ ( a_truth @ ( truthteller @ c ) )
      | ( an_answer @ b_and_c_truthtellers ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(40,plain,
    ( ( ~ ( a_truth @ ( truthteller @ b ) )
      | ~ ( a_truth @ ( liar @ c ) )
      | ( an_answer @ b_truthteller_and_c_liar ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(41,plain,
    ( ( ~ ( a_truth @ ( liar @ b ) )
      | ~ ( a_truth @ ( truthteller @ c ) )
      | ( an_answer @ b_liar_and_c_truthteller ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(42,plain,
    ( ( ~ ( a_truth @ ( liar @ b ) )
      | ~ ( a_truth @ ( liar @ c ) )
      | ( an_answer @ b_and_c_liars ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(43,plain,
    ( ( a_truth @ ( says @ c @ ( liar @ b ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(44,plain,
    ( ( a_truth @ ( says @ b @ ( says @ a @ one_truthteller ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(45,plain,
    ( ( a_truth @ ( says @ a @ garbage ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(46,plain,
    ( ( people @ a @ b @ c )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(47,plain,
    ( ( ! [X: $i] :
          ~ ( an_answer @ X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(48,plain,
    ( ( ~ $false )
    = $true ),
    inference(polarity_switch,[status(thm)],[25]) ).

thf(49,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ! [Z: $i] :
              ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[31]) ).

thf(50,plain,
    ( ( ! [Statement: $i] :
          ( ( a_truth @ Statement )
          | ! [Liar: $i] :
              ( ~ ( a_truth @ ( says @ Liar @ Statement ) )
              | ( a_truth @ ( liar @ Liar ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[33]) ).

thf(51,plain,
    ( ( ! [Statement: $i] :
          ( ~ ( a_truth @ Statement )
          | ! [Truthteller: $i] :
              ( ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
              | ( a_truth @ ( truthteller @ Truthteller ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[34]) ).

thf(52,plain,
    ( ( ! [Liar: $i] :
          ( ~ ( a_truth @ ( liar @ Liar ) )
          | ! [Statement: $i] :
              ( ~ ( a_truth @ ( says @ Liar @ Statement ) )
              | ~ ( a_truth @ Statement ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[35]) ).

thf(53,plain,
    ( ( ! [Truthteller: $i] :
          ( ~ ( a_truth @ ( truthteller @ Truthteller ) )
          | ! [Statement: $i] :
              ( ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
              | ( a_truth @ Statement ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[36]) ).

thf(54,plain,
    ( ( ! [X: $i] :
          ~ ( an_answer @ X ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(55,plain,
    ( ( people @ a @ b @ c )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(56,plain,
    ( ( a_truth @ ( says @ a @ garbage ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(57,plain,
    ( ( a_truth @ ( says @ b @ ( says @ a @ one_truthteller ) ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(58,plain,
    ( ( a_truth @ ( says @ c @ ( liar @ b ) ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(59,plain,
    ( ( ~ ( a_truth @ ( liar @ b ) )
      | ~ ( a_truth @ ( liar @ c ) )
      | ( an_answer @ b_and_c_liars ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(60,plain,
    ( ( ~ ( a_truth @ ( liar @ b ) )
      | ~ ( a_truth @ ( truthteller @ c ) )
      | ( an_answer @ b_liar_and_c_truthteller ) )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(61,plain,
    ( ( ~ ( a_truth @ ( truthteller @ b ) )
      | ~ ( a_truth @ ( liar @ c ) )
      | ( an_answer @ b_truthteller_and_c_liar ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(62,plain,
    ( ( ~ ( a_truth @ ( truthteller @ b ) )
      | ~ ( a_truth @ ( truthteller @ c ) )
      | ( an_answer @ b_and_c_truthtellers ) )
    = $true ),
    inference(copy,[status(thm)],[39]) ).

thf(63,plain,
    ( ( ! [X: $i] :
          ( ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( liar @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(64,plain,
    ( ( ! [X: $i] :
          ( ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( liar @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(65,plain,
    ( ( ! [Truthteller: $i] :
          ( ~ ( a_truth @ ( truthteller @ Truthteller ) )
          | ! [Statement: $i] :
              ( ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
              | ( a_truth @ Statement ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[53]) ).

thf(66,plain,
    ( ( ! [Liar: $i] :
          ( ~ ( a_truth @ ( liar @ Liar ) )
          | ! [Statement: $i] :
              ( ~ ( a_truth @ ( says @ Liar @ Statement ) )
              | ~ ( a_truth @ Statement ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[52]) ).

thf(67,plain,
    ( ( ! [Statement: $i] :
          ( ~ ( a_truth @ Statement )
          | ! [Truthteller: $i] :
              ( ~ ( a_truth @ ( says @ Truthteller @ Statement ) )
              | ( a_truth @ ( truthteller @ Truthteller ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[51]) ).

thf(68,plain,
    ( ( ! [Statement: $i] :
          ( ( a_truth @ Statement )
          | ! [Liar: $i] :
              ( ~ ( a_truth @ ( says @ Liar @ Statement ) )
              | ( a_truth @ ( liar @ Liar ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[50]) ).

thf(69,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ one_truthteller )
          | ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(70,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ! [Z: $i] :
              ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(71,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ~ ( a_truth @ ( truthteller @ Z ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(72,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ~ ( a_truth @ ( truthteller @ Z ) )
          | ~ ( a_truth @ one_truthteller ) ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(73,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[28]) ).

thf(74,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ X ) )
          | ( a_truth @ ( truthteller @ Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(75,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( people @ X @ Y @ Z )
          | ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ Z ) )
          | ( a_truth @ ( truthteller @ Y ) )
          | ( a_truth @ ( truthteller @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[26]) ).

thf(76,plain,
    ( ( ~ $false )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(77,plain,
    ! [SV1: $i] :
      ( ( ~ ( an_answer @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[54]) ).

thf(78,plain,
    ( ( ( ~ ( a_truth @ ( liar @ b ) ) )
      = $true )
    | ( ( ~ ( a_truth @ ( liar @ c ) )
        | ( an_answer @ b_and_c_liars ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[59]) ).

thf(79,plain,
    ( ( ( ~ ( a_truth @ ( liar @ b ) ) )
      = $true )
    | ( ( ~ ( a_truth @ ( truthteller @ c ) )
        | ( an_answer @ b_liar_and_c_truthteller ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[60]) ).

thf(80,plain,
    ( ( ( ~ ( a_truth @ ( truthteller @ b ) ) )
      = $true )
    | ( ( ~ ( a_truth @ ( liar @ c ) )
        | ( an_answer @ b_truthteller_and_c_liar ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[61]) ).

thf(81,plain,
    ( ( ( ~ ( a_truth @ ( truthteller @ b ) ) )
      = $true )
    | ( ( ~ ( a_truth @ ( truthteller @ c ) )
        | ( an_answer @ b_and_c_truthtellers ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[62]) ).

thf(82,plain,
    ! [SV2: $i] :
      ( ( ( a_truth @ ( truthteller @ SV2 ) )
        | ( a_truth @ ( liar @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[63]) ).

thf(83,plain,
    ! [SV3: $i] :
      ( ( ~ ( a_truth @ ( truthteller @ SV3 ) )
        | ~ ( a_truth @ ( liar @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[64]) ).

thf(84,plain,
    ! [SV4: $i] :
      ( ( ~ ( a_truth @ ( truthteller @ SV4 ) )
        | ! [SY32: $i] :
            ( ~ ( a_truth @ ( says @ SV4 @ SY32 ) )
            | ( a_truth @ SY32 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[65]) ).

thf(85,plain,
    ! [SV5: $i] :
      ( ( ~ ( a_truth @ ( liar @ SV5 ) )
        | ! [SY33: $i] :
            ( ~ ( a_truth @ ( says @ SV5 @ SY33 ) )
            | ~ ( a_truth @ SY33 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[66]) ).

thf(86,plain,
    ! [SV6: $i] :
      ( ( ~ ( a_truth @ SV6 )
        | ! [SY34: $i] :
            ( ~ ( a_truth @ ( says @ SY34 @ SV6 ) )
            | ( a_truth @ ( truthteller @ SY34 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[67]) ).

thf(87,plain,
    ! [SV7: $i] :
      ( ( ( a_truth @ SV7 )
        | ! [SY35: $i] :
            ( ~ ( a_truth @ ( says @ SY35 @ SV7 ) )
            | ( a_truth @ ( liar @ SY35 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[68]) ).

thf(88,plain,
    ! [SV8: $i] :
      ( ( ! [SY36: $i,SY37: $i] :
            ( ~ ( people @ SV8 @ SY36 @ SY37 )
            | ~ ( a_truth @ one_truthteller )
            | ( a_truth @ ( truthteller @ SV8 ) )
            | ( a_truth @ ( truthteller @ SY36 ) )
            | ( a_truth @ ( truthteller @ SY37 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[69]) ).

thf(89,plain,
    ! [SV9: $i] :
      ( ( ! [SY38: $i] :
            ( ! [SY39: $i] :
                ~ ( people @ SV9 @ SY38 @ SY39 )
            | ~ ( a_truth @ ( truthteller @ SV9 ) )
            | ~ ( a_truth @ ( truthteller @ SY38 ) )
            | ~ ( a_truth @ one_truthteller ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(90,plain,
    ! [SV10: $i] :
      ( ( ! [SY40: $i,SY41: $i] :
            ( ~ ( people @ SV10 @ SY40 @ SY41 )
            | ~ ( a_truth @ ( truthteller @ SV10 ) )
            | ~ ( a_truth @ ( truthteller @ SY41 ) )
            | ~ ( a_truth @ one_truthteller ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[71]) ).

thf(91,plain,
    ! [SV11: $i] :
      ( ( ! [SY42: $i,SY43: $i] :
            ( ~ ( people @ SV11 @ SY42 @ SY43 )
            | ~ ( a_truth @ ( truthteller @ SY42 ) )
            | ~ ( a_truth @ ( truthteller @ SY43 ) )
            | ~ ( a_truth @ one_truthteller ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(92,plain,
    ! [SV12: $i] :
      ( ( ! [SY44: $i,SY45: $i] :
            ( ~ ( people @ SV12 @ SY44 @ SY45 )
            | ( a_truth @ one_truthteller )
            | ~ ( a_truth @ ( truthteller @ SV12 ) )
            | ( a_truth @ ( truthteller @ SY44 ) )
            | ( a_truth @ ( truthteller @ SY45 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[73]) ).

thf(93,plain,
    ! [SV13: $i] :
      ( ( ! [SY46: $i,SY47: $i] :
            ( ~ ( people @ SV13 @ SY46 @ SY47 )
            | ( a_truth @ one_truthteller )
            | ~ ( a_truth @ ( truthteller @ SY46 ) )
            | ( a_truth @ ( truthteller @ SV13 ) )
            | ( a_truth @ ( truthteller @ SY47 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(94,plain,
    ! [SV14: $i] :
      ( ( ! [SY48: $i,SY49: $i] :
            ( ~ ( people @ SV14 @ SY48 @ SY49 )
            | ( a_truth @ one_truthteller )
            | ~ ( a_truth @ ( truthteller @ SY49 ) )
            | ( a_truth @ ( truthteller @ SY48 ) )
            | ( a_truth @ ( truthteller @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[75]) ).

thf(95,plain,
    $false = $false,
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(96,plain,
    ! [SV1: $i] :
      ( ( an_answer @ SV1 )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[77]) ).

thf(97,plain,
    ( ( ( a_truth @ ( liar @ b ) )
      = $false )
    | ( ( ~ ( a_truth @ ( liar @ c ) )
        | ( an_answer @ b_and_c_liars ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[78]) ).

thf(98,plain,
    ( ( ( a_truth @ ( liar @ b ) )
      = $false )
    | ( ( ~ ( a_truth @ ( truthteller @ c ) )
        | ( an_answer @ b_liar_and_c_truthteller ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[79]) ).

thf(99,plain,
    ( ( ( a_truth @ ( truthteller @ b ) )
      = $false )
    | ( ( ~ ( a_truth @ ( liar @ c ) )
        | ( an_answer @ b_truthteller_and_c_liar ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[80]) ).

thf(100,plain,
    ( ( ( a_truth @ ( truthteller @ b ) )
      = $false )
    | ( ( ~ ( a_truth @ ( truthteller @ c ) )
        | ( an_answer @ b_and_c_truthtellers ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[81]) ).

thf(101,plain,
    ! [SV2: $i] :
      ( ( ( a_truth @ ( truthteller @ SV2 ) )
        = $true )
      | ( ( a_truth @ ( liar @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[82]) ).

thf(102,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV3 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ ( liar @ SV3 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[83]) ).

thf(103,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV4 ) ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( a_truth @ ( says @ SV4 @ SY32 ) )
              | ( a_truth @ SY32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[84]) ).

thf(104,plain,
    ! [SV5: $i] :
      ( ( ( ~ ( a_truth @ ( liar @ SV5 ) ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( a_truth @ ( says @ SV5 @ SY33 ) )
              | ~ ( a_truth @ SY33 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[85]) ).

thf(105,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( a_truth @ SV6 ) )
        = $true )
      | ( ( ! [SY34: $i] :
              ( ~ ( a_truth @ ( says @ SY34 @ SV6 ) )
              | ( a_truth @ ( truthteller @ SY34 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[86]) ).

thf(106,plain,
    ! [SV7: $i] :
      ( ( ( a_truth @ SV7 )
        = $true )
      | ( ( ! [SY35: $i] :
              ( ~ ( a_truth @ ( says @ SY35 @ SV7 ) )
              | ( a_truth @ ( liar @ SY35 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[87]) ).

thf(107,plain,
    ! [SV15: $i,SV8: $i] :
      ( ( ! [SY50: $i] :
            ( ~ ( people @ SV8 @ SV15 @ SY50 )
            | ~ ( a_truth @ one_truthteller )
            | ( a_truth @ ( truthteller @ SV8 ) )
            | ( a_truth @ ( truthteller @ SV15 ) )
            | ( a_truth @ ( truthteller @ SY50 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(108,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ! [SY51: $i] :
            ~ ( people @ SV9 @ SV16 @ SY51 )
        | ~ ( a_truth @ ( truthteller @ SV9 ) )
        | ~ ( a_truth @ ( truthteller @ SV16 ) )
        | ~ ( a_truth @ one_truthteller ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[89]) ).

thf(109,plain,
    ! [SV17: $i,SV10: $i] :
      ( ( ! [SY52: $i] :
            ( ~ ( people @ SV10 @ SV17 @ SY52 )
            | ~ ( a_truth @ ( truthteller @ SV10 ) )
            | ~ ( a_truth @ ( truthteller @ SY52 ) )
            | ~ ( a_truth @ one_truthteller ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[90]) ).

thf(110,plain,
    ! [SV18: $i,SV11: $i] :
      ( ( ! [SY53: $i] :
            ( ~ ( people @ SV11 @ SV18 @ SY53 )
            | ~ ( a_truth @ ( truthteller @ SV18 ) )
            | ~ ( a_truth @ ( truthteller @ SY53 ) )
            | ~ ( a_truth @ one_truthteller ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[91]) ).

thf(111,plain,
    ! [SV19: $i,SV12: $i] :
      ( ( ! [SY54: $i] :
            ( ~ ( people @ SV12 @ SV19 @ SY54 )
            | ( a_truth @ one_truthteller )
            | ~ ( a_truth @ ( truthteller @ SV12 ) )
            | ( a_truth @ ( truthteller @ SV19 ) )
            | ( a_truth @ ( truthteller @ SY54 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(112,plain,
    ! [SV20: $i,SV13: $i] :
      ( ( ! [SY55: $i] :
            ( ~ ( people @ SV13 @ SV20 @ SY55 )
            | ( a_truth @ one_truthteller )
            | ~ ( a_truth @ ( truthteller @ SV20 ) )
            | ( a_truth @ ( truthteller @ SV13 ) )
            | ( a_truth @ ( truthteller @ SY55 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(113,plain,
    ! [SV21: $i,SV14: $i] :
      ( ( ! [SY56: $i] :
            ( ~ ( people @ SV14 @ SV21 @ SY56 )
            | ( a_truth @ one_truthteller )
            | ~ ( a_truth @ ( truthteller @ SY56 ) )
            | ( a_truth @ ( truthteller @ SV21 ) )
            | ( a_truth @ ( truthteller @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[94]) ).

thf(114,plain,
    ( ( ( ~ ( a_truth @ ( liar @ c ) ) )
      = $true )
    | ( ( an_answer @ b_and_c_liars )
      = $true )
    | ( ( a_truth @ ( liar @ b ) )
      = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[97]) ).

thf(115,plain,
    ( ( ( ~ ( a_truth @ ( truthteller @ c ) ) )
      = $true )
    | ( ( an_answer @ b_liar_and_c_truthteller )
      = $true )
    | ( ( a_truth @ ( liar @ b ) )
      = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[98]) ).

thf(116,plain,
    ( ( ( ~ ( a_truth @ ( liar @ c ) ) )
      = $true )
    | ( ( an_answer @ b_truthteller_and_c_liar )
      = $true )
    | ( ( a_truth @ ( truthteller @ b ) )
      = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[99]) ).

thf(117,plain,
    ( ( ( ~ ( a_truth @ ( truthteller @ c ) ) )
      = $true )
    | ( ( an_answer @ b_and_c_truthtellers )
      = $true )
    | ( ( a_truth @ ( truthteller @ b ) )
      = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[100]) ).

thf(118,plain,
    ! [SV3: $i] :
      ( ( ( a_truth @ ( truthteller @ SV3 ) )
        = $false )
      | ( ( ~ ( a_truth @ ( liar @ SV3 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[102]) ).

thf(119,plain,
    ! [SV4: $i] :
      ( ( ( a_truth @ ( truthteller @ SV4 ) )
        = $false )
      | ( ( ! [SY32: $i] :
              ( ~ ( a_truth @ ( says @ SV4 @ SY32 ) )
              | ( a_truth @ SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[103]) ).

thf(120,plain,
    ! [SV5: $i] :
      ( ( ( a_truth @ ( liar @ SV5 ) )
        = $false )
      | ( ( ! [SY33: $i] :
              ( ~ ( a_truth @ ( says @ SV5 @ SY33 ) )
              | ~ ( a_truth @ SY33 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[104]) ).

thf(121,plain,
    ! [SV6: $i] :
      ( ( ( a_truth @ SV6 )
        = $false )
      | ( ( ! [SY34: $i] :
              ( ~ ( a_truth @ ( says @ SY34 @ SV6 ) )
              | ( a_truth @ ( truthteller @ SY34 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[105]) ).

thf(122,plain,
    ! [SV7: $i,SV22: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV22 @ SV7 ) )
          | ( a_truth @ ( liar @ SV22 ) ) )
        = $true )
      | ( ( a_truth @ SV7 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[106]) ).

thf(123,plain,
    ! [SV23: $i,SV15: $i,SV8: $i] :
      ( ( ~ ( people @ SV8 @ SV15 @ SV23 )
        | ~ ( a_truth @ one_truthteller )
        | ( a_truth @ ( truthteller @ SV8 ) )
        | ( a_truth @ ( truthteller @ SV15 ) )
        | ( a_truth @ ( truthteller @ SV23 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(124,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ! [SY51: $i] :
              ~ ( people @ SV9 @ SV16 @ SY51 ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV9 ) )
          | ~ ( a_truth @ ( truthteller @ SV16 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[108]) ).

thf(125,plain,
    ! [SV24: $i,SV17: $i,SV10: $i] :
      ( ( ~ ( people @ SV10 @ SV17 @ SV24 )
        | ~ ( a_truth @ ( truthteller @ SV10 ) )
        | ~ ( a_truth @ ( truthteller @ SV24 ) )
        | ~ ( a_truth @ one_truthteller ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[109]) ).

thf(126,plain,
    ! [SV25: $i,SV18: $i,SV11: $i] :
      ( ( ~ ( people @ SV11 @ SV18 @ SV25 )
        | ~ ( a_truth @ ( truthteller @ SV18 ) )
        | ~ ( a_truth @ ( truthteller @ SV25 ) )
        | ~ ( a_truth @ one_truthteller ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[110]) ).

thf(127,plain,
    ! [SV26: $i,SV19: $i,SV12: $i] :
      ( ( ~ ( people @ SV12 @ SV19 @ SV26 )
        | ( a_truth @ one_truthteller )
        | ~ ( a_truth @ ( truthteller @ SV12 ) )
        | ( a_truth @ ( truthteller @ SV19 ) )
        | ( a_truth @ ( truthteller @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[111]) ).

thf(128,plain,
    ! [SV27: $i,SV20: $i,SV13: $i] :
      ( ( ~ ( people @ SV13 @ SV20 @ SV27 )
        | ( a_truth @ one_truthteller )
        | ~ ( a_truth @ ( truthteller @ SV20 ) )
        | ( a_truth @ ( truthteller @ SV13 ) )
        | ( a_truth @ ( truthteller @ SV27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[112]) ).

thf(129,plain,
    ! [SV28: $i,SV21: $i,SV14: $i] :
      ( ( ~ ( people @ SV14 @ SV21 @ SV28 )
        | ( a_truth @ one_truthteller )
        | ~ ( a_truth @ ( truthteller @ SV28 ) )
        | ( a_truth @ ( truthteller @ SV21 ) )
        | ( a_truth @ ( truthteller @ SV14 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[113]) ).

thf(130,plain,
    ( ( ( a_truth @ ( liar @ c ) )
      = $false )
    | ( ( an_answer @ b_and_c_liars )
      = $true )
    | ( ( a_truth @ ( liar @ b ) )
      = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[114]) ).

thf(131,plain,
    ( ( ( a_truth @ ( truthteller @ c ) )
      = $false )
    | ( ( an_answer @ b_liar_and_c_truthteller )
      = $true )
    | ( ( a_truth @ ( liar @ b ) )
      = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[115]) ).

thf(132,plain,
    ( ( ( a_truth @ ( liar @ c ) )
      = $false )
    | ( ( an_answer @ b_truthteller_and_c_liar )
      = $true )
    | ( ( a_truth @ ( truthteller @ b ) )
      = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[116]) ).

thf(133,plain,
    ( ( ( a_truth @ ( truthteller @ c ) )
      = $false )
    | ( ( an_answer @ b_and_c_truthtellers )
      = $true )
    | ( ( a_truth @ ( truthteller @ b ) )
      = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[117]) ).

thf(134,plain,
    ! [SV3: $i] :
      ( ( ( a_truth @ ( liar @ SV3 ) )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV3 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[118]) ).

thf(135,plain,
    ! [SV29: $i,SV4: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV4 @ SV29 ) )
          | ( a_truth @ SV29 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV4 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(136,plain,
    ! [SV30: $i,SV5: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV5 @ SV30 ) )
          | ~ ( a_truth @ SV30 ) )
        = $true )
      | ( ( a_truth @ ( liar @ SV5 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(137,plain,
    ! [SV6: $i,SV31: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV31 @ SV6 ) )
          | ( a_truth @ ( truthteller @ SV31 ) ) )
        = $true )
      | ( ( a_truth @ SV6 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[121]) ).

thf(138,plain,
    ! [SV7: $i,SV22: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV22 @ SV7 ) ) )
        = $true )
      | ( ( a_truth @ ( liar @ SV22 ) )
        = $true )
      | ( ( a_truth @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[122]) ).

thf(139,plain,
    ! [SV23: $i,SV15: $i,SV8: $i] :
      ( ( ( ~ ( people @ SV8 @ SV15 @ SV23 ) )
        = $true )
      | ( ( ~ ( a_truth @ one_truthteller )
          | ( a_truth @ ( truthteller @ SV8 ) )
          | ( a_truth @ ( truthteller @ SV15 ) )
          | ( a_truth @ ( truthteller @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[123]) ).

thf(140,plain,
    ! [SV32: $i,SV16: $i,SV9: $i] :
      ( ( ( ~ ( people @ SV9 @ SV16 @ SV32 ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV9 ) )
          | ~ ( a_truth @ ( truthteller @ SV16 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[124]) ).

thf(141,plain,
    ! [SV24: $i,SV17: $i,SV10: $i] :
      ( ( ( ~ ( people @ SV10 @ SV17 @ SV24 ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV10 ) )
          | ~ ( a_truth @ ( truthteller @ SV24 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[125]) ).

thf(142,plain,
    ! [SV25: $i,SV18: $i,SV11: $i] :
      ( ( ( ~ ( people @ SV11 @ SV18 @ SV25 ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV18 ) )
          | ~ ( a_truth @ ( truthteller @ SV25 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[126]) ).

thf(143,plain,
    ! [SV26: $i,SV19: $i,SV12: $i] :
      ( ( ( ~ ( people @ SV12 @ SV19 @ SV26 ) )
        = $true )
      | ( ( ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ SV12 ) )
          | ( a_truth @ ( truthteller @ SV19 ) )
          | ( a_truth @ ( truthteller @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[127]) ).

thf(144,plain,
    ! [SV27: $i,SV20: $i,SV13: $i] :
      ( ( ( ~ ( people @ SV13 @ SV20 @ SV27 ) )
        = $true )
      | ( ( ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ SV20 ) )
          | ( a_truth @ ( truthteller @ SV13 ) )
          | ( a_truth @ ( truthteller @ SV27 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[128]) ).

thf(145,plain,
    ! [SV28: $i,SV21: $i,SV14: $i] :
      ( ( ( ~ ( people @ SV14 @ SV21 @ SV28 ) )
        = $true )
      | ( ( ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ SV28 ) )
          | ( a_truth @ ( truthteller @ SV21 ) )
          | ( a_truth @ ( truthteller @ SV14 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[129]) ).

thf(146,plain,
    ! [SV29: $i,SV4: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV4 @ SV29 ) ) )
        = $true )
      | ( ( a_truth @ SV29 )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV4 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[135]) ).

thf(147,plain,
    ! [SV30: $i,SV5: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV5 @ SV30 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ SV30 ) )
        = $true )
      | ( ( a_truth @ ( liar @ SV5 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[136]) ).

thf(148,plain,
    ! [SV6: $i,SV31: $i] :
      ( ( ( ~ ( a_truth @ ( says @ SV31 @ SV6 ) ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV31 ) )
        = $true )
      | ( ( a_truth @ SV6 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[137]) ).

thf(149,plain,
    ! [SV7: $i,SV22: $i] :
      ( ( ( a_truth @ ( says @ SV22 @ SV7 ) )
        = $false )
      | ( ( a_truth @ ( liar @ SV22 ) )
        = $true )
      | ( ( a_truth @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(150,plain,
    ! [SV23: $i,SV15: $i,SV8: $i] :
      ( ( ( people @ SV8 @ SV15 @ SV23 )
        = $false )
      | ( ( ~ ( a_truth @ one_truthteller )
          | ( a_truth @ ( truthteller @ SV8 ) )
          | ( a_truth @ ( truthteller @ SV15 ) )
          | ( a_truth @ ( truthteller @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[139]) ).

thf(151,plain,
    ! [SV32: $i,SV16: $i,SV9: $i] :
      ( ( ( people @ SV9 @ SV16 @ SV32 )
        = $false )
      | ( ( ~ ( a_truth @ ( truthteller @ SV9 ) )
          | ~ ( a_truth @ ( truthteller @ SV16 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[140]) ).

thf(152,plain,
    ! [SV24: $i,SV17: $i,SV10: $i] :
      ( ( ( people @ SV10 @ SV17 @ SV24 )
        = $false )
      | ( ( ~ ( a_truth @ ( truthteller @ SV10 ) )
          | ~ ( a_truth @ ( truthteller @ SV24 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[141]) ).

thf(153,plain,
    ! [SV25: $i,SV18: $i,SV11: $i] :
      ( ( ( people @ SV11 @ SV18 @ SV25 )
        = $false )
      | ( ( ~ ( a_truth @ ( truthteller @ SV18 ) )
          | ~ ( a_truth @ ( truthteller @ SV25 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[142]) ).

thf(154,plain,
    ! [SV26: $i,SV19: $i,SV12: $i] :
      ( ( ( people @ SV12 @ SV19 @ SV26 )
        = $false )
      | ( ( ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ SV12 ) )
          | ( a_truth @ ( truthteller @ SV19 ) )
          | ( a_truth @ ( truthteller @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[143]) ).

thf(155,plain,
    ! [SV27: $i,SV20: $i,SV13: $i] :
      ( ( ( people @ SV13 @ SV20 @ SV27 )
        = $false )
      | ( ( ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ SV20 ) )
          | ( a_truth @ ( truthteller @ SV13 ) )
          | ( a_truth @ ( truthteller @ SV27 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[144]) ).

thf(156,plain,
    ! [SV28: $i,SV21: $i,SV14: $i] :
      ( ( ( people @ SV14 @ SV21 @ SV28 )
        = $false )
      | ( ( ( a_truth @ one_truthteller )
          | ~ ( a_truth @ ( truthteller @ SV28 ) )
          | ( a_truth @ ( truthteller @ SV21 ) )
          | ( a_truth @ ( truthteller @ SV14 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[145]) ).

thf(157,plain,
    ! [SV29: $i,SV4: $i] :
      ( ( ( a_truth @ ( says @ SV4 @ SV29 ) )
        = $false )
      | ( ( a_truth @ SV29 )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV4 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[146]) ).

thf(158,plain,
    ! [SV30: $i,SV5: $i] :
      ( ( ( a_truth @ ( says @ SV5 @ SV30 ) )
        = $false )
      | ( ( ~ ( a_truth @ SV30 ) )
        = $true )
      | ( ( a_truth @ ( liar @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[147]) ).

thf(159,plain,
    ! [SV6: $i,SV31: $i] :
      ( ( ( a_truth @ ( says @ SV31 @ SV6 ) )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV31 ) )
        = $true )
      | ( ( a_truth @ SV6 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[148]) ).

thf(160,plain,
    ! [SV23: $i,SV15: $i,SV8: $i] :
      ( ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( ( a_truth @ ( truthteller @ SV8 ) )
          | ( a_truth @ ( truthteller @ SV15 ) )
          | ( a_truth @ ( truthteller @ SV23 ) ) )
        = $true )
      | ( ( people @ SV8 @ SV15 @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[150]) ).

thf(161,plain,
    ! [SV32: $i,SV16: $i,SV9: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV9 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV16 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( people @ SV9 @ SV16 @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[151]) ).

thf(162,plain,
    ! [SV17: $i,SV24: $i,SV10: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV10 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV24 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( people @ SV10 @ SV17 @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[152]) ).

thf(163,plain,
    ! [SV11: $i,SV25: $i,SV18: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV18 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV25 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( people @ SV11 @ SV18 @ SV25 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[153]) ).

thf(164,plain,
    ! [SV26: $i,SV19: $i,SV12: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV12 ) )
          | ( a_truth @ ( truthteller @ SV19 ) )
          | ( a_truth @ ( truthteller @ SV26 ) ) )
        = $true )
      | ( ( people @ SV12 @ SV19 @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[154]) ).

thf(165,plain,
    ! [SV27: $i,SV13: $i,SV20: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV20 ) )
          | ( a_truth @ ( truthteller @ SV13 ) )
          | ( a_truth @ ( truthteller @ SV27 ) ) )
        = $true )
      | ( ( people @ SV13 @ SV20 @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[155]) ).

thf(166,plain,
    ! [SV14: $i,SV21: $i,SV28: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( ~ ( a_truth @ ( truthteller @ SV28 ) )
          | ( a_truth @ ( truthteller @ SV21 ) )
          | ( a_truth @ ( truthteller @ SV14 ) ) )
        = $true )
      | ( ( people @ SV14 @ SV21 @ SV28 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[156]) ).

thf(167,plain,
    ! [SV5: $i,SV30: $i] :
      ( ( ( a_truth @ SV30 )
        = $false )
      | ( ( a_truth @ ( says @ SV5 @ SV30 ) )
        = $false )
      | ( ( a_truth @ ( liar @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[158]) ).

thf(168,plain,
    ! [SV23: $i,SV15: $i,SV8: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $false )
      | ( ( ( a_truth @ ( truthteller @ SV8 ) )
          | ( a_truth @ ( truthteller @ SV15 ) )
          | ( a_truth @ ( truthteller @ SV23 ) ) )
        = $true )
      | ( ( people @ SV8 @ SV15 @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[160]) ).

thf(169,plain,
    ! [SV32: $i,SV16: $i,SV9: $i] :
      ( ( ( a_truth @ ( truthteller @ SV9 ) )
        = $false )
      | ( ( ~ ( a_truth @ ( truthteller @ SV16 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( people @ SV9 @ SV16 @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[161]) ).

thf(170,plain,
    ! [SV17: $i,SV24: $i,SV10: $i] :
      ( ( ( a_truth @ ( truthteller @ SV10 ) )
        = $false )
      | ( ( ~ ( a_truth @ ( truthteller @ SV24 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( people @ SV10 @ SV17 @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[162]) ).

thf(171,plain,
    ! [SV11: $i,SV25: $i,SV18: $i] :
      ( ( ( a_truth @ ( truthteller @ SV18 ) )
        = $false )
      | ( ( ~ ( a_truth @ ( truthteller @ SV25 ) )
          | ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( people @ SV11 @ SV18 @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[163]) ).

thf(172,plain,
    ! [SV26: $i,SV19: $i,SV12: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV12 ) ) )
        = $true )
      | ( ( ( a_truth @ ( truthteller @ SV19 ) )
          | ( a_truth @ ( truthteller @ SV26 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV12 @ SV19 @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[164]) ).

thf(173,plain,
    ! [SV27: $i,SV13: $i,SV20: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV20 ) ) )
        = $true )
      | ( ( ( a_truth @ ( truthteller @ SV13 ) )
          | ( a_truth @ ( truthteller @ SV27 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV13 @ SV20 @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[165]) ).

thf(174,plain,
    ! [SV14: $i,SV21: $i,SV28: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV28 ) ) )
        = $true )
      | ( ( ( a_truth @ ( truthteller @ SV21 ) )
          | ( a_truth @ ( truthteller @ SV14 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV14 @ SV21 @ SV28 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[166]) ).

thf(175,plain,
    ! [SV23: $i,SV15: $i,SV8: $i] :
      ( ( ( a_truth @ ( truthteller @ SV8 ) )
        = $true )
      | ( ( ( a_truth @ ( truthteller @ SV15 ) )
          | ( a_truth @ ( truthteller @ SV23 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $false )
      | ( ( people @ SV8 @ SV15 @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[168]) ).

thf(176,plain,
    ! [SV32: $i,SV9: $i,SV16: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV16 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV9 ) )
        = $false )
      | ( ( people @ SV9 @ SV16 @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[169]) ).

thf(177,plain,
    ! [SV17: $i,SV10: $i,SV24: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV24 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV10 ) )
        = $false )
      | ( ( people @ SV10 @ SV17 @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[170]) ).

thf(178,plain,
    ! [SV11: $i,SV18: $i,SV25: $i] :
      ( ( ( ~ ( a_truth @ ( truthteller @ SV25 ) ) )
        = $true )
      | ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV18 ) )
        = $false )
      | ( ( people @ SV11 @ SV18 @ SV25 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[171]) ).

thf(179,plain,
    ! [SV26: $i,SV19: $i,SV12: $i] :
      ( ( ( a_truth @ ( truthteller @ SV12 ) )
        = $false )
      | ( ( ( a_truth @ ( truthteller @ SV19 ) )
          | ( a_truth @ ( truthteller @ SV26 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV12 @ SV19 @ SV26 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[172]) ).

thf(180,plain,
    ! [SV27: $i,SV13: $i,SV20: $i] :
      ( ( ( a_truth @ ( truthteller @ SV20 ) )
        = $false )
      | ( ( ( a_truth @ ( truthteller @ SV13 ) )
          | ( a_truth @ ( truthteller @ SV27 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV13 @ SV20 @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[173]) ).

thf(181,plain,
    ! [SV14: $i,SV21: $i,SV28: $i] :
      ( ( ( a_truth @ ( truthteller @ SV28 ) )
        = $false )
      | ( ( ( a_truth @ ( truthteller @ SV21 ) )
          | ( a_truth @ ( truthteller @ SV14 ) ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV14 @ SV21 @ SV28 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[174]) ).

thf(182,plain,
    ! [SV8: $i,SV23: $i,SV15: $i] :
      ( ( ( a_truth @ ( truthteller @ SV15 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV23 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV8 ) )
        = $true )
      | ( ( a_truth @ one_truthteller )
        = $false )
      | ( ( people @ SV8 @ SV15 @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[175]) ).

thf(183,plain,
    ! [SV32: $i,SV9: $i,SV16: $i] :
      ( ( ( a_truth @ ( truthteller @ SV16 ) )
        = $false )
      | ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV9 ) )
        = $false )
      | ( ( people @ SV9 @ SV16 @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[176]) ).

thf(184,plain,
    ! [SV17: $i,SV10: $i,SV24: $i] :
      ( ( ( a_truth @ ( truthteller @ SV24 ) )
        = $false )
      | ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV10 ) )
        = $false )
      | ( ( people @ SV10 @ SV17 @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[177]) ).

thf(185,plain,
    ! [SV11: $i,SV18: $i,SV25: $i] :
      ( ( ( a_truth @ ( truthteller @ SV25 ) )
        = $false )
      | ( ( ~ ( a_truth @ one_truthteller ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV18 ) )
        = $false )
      | ( ( people @ SV11 @ SV18 @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[178]) ).

thf(186,plain,
    ! [SV12: $i,SV26: $i,SV19: $i] :
      ( ( ( a_truth @ ( truthteller @ SV19 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV26 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV12 ) )
        = $false )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV12 @ SV19 @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[179]) ).

thf(187,plain,
    ! [SV20: $i,SV27: $i,SV13: $i] :
      ( ( ( a_truth @ ( truthteller @ SV13 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV27 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV20 ) )
        = $false )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV13 @ SV20 @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[180]) ).

thf(188,plain,
    ! [SV28: $i,SV14: $i,SV21: $i] :
      ( ( ( a_truth @ ( truthteller @ SV21 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV14 ) )
        = $true )
      | ( ( a_truth @ ( truthteller @ SV28 ) )
        = $false )
      | ( ( a_truth @ one_truthteller )
        = $true )
      | ( ( people @ SV14 @ SV21 @ SV28 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[181]) ).

thf(189,plain,
    ! [SV32: $i,SV9: $i,SV16: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV16 ) )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV9 ) )
        = $false )
      | ( ( people @ SV9 @ SV16 @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[183]) ).

thf(190,plain,
    ! [SV17: $i,SV10: $i,SV24: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV24 ) )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV10 ) )
        = $false )
      | ( ( people @ SV10 @ SV17 @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[184]) ).

thf(191,plain,
    ! [SV11: $i,SV18: $i,SV25: $i] :
      ( ( ( a_truth @ one_truthteller )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV25 ) )
        = $false )
      | ( ( a_truth @ ( truthteller @ SV18 ) )
        = $false )
      | ( ( people @ SV11 @ SV18 @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[185]) ).

thf(192,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[55,191,190,189,188,187,186,182,167,159,157,149,134,133,132,131,130,101,96,95,58,57,56]) ).

thf(193,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[192]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ023-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.33  % Computer : n019.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat May 28 21:35:56 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.35  
% 0.12/0.35   No.of.Axioms: 22
% 0.12/0.35  
% 0.12/0.35   Length.of.Defs: 0
% 0.12/0.35  
% 0.12/0.35   Contains.Choice.Funs: false
% 0.12/0.36  (rf:0,axioms:22,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:24,loop_count:0,foatp_calls:0,translation:fof_full).......
% 0.19/0.44  
% 0.19/0.44  ********************************
% 0.19/0.44  *   All subproblems solved!    *
% 0.19/0.44  ********************************
% 0.19/0.44  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:22,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:192,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.19/0.45  
% 0.19/0.45  %**** Beginning of derivation protocol ****
% 0.19/0.45  % SZS output start CNFRefutation
% See solution above
% 0.19/0.46  
% 0.19/0.46  %**** End of derivation protocol ****
% 0.19/0.46  %**** no. of clauses in derivation: 193 ****
% 0.19/0.46  %**** clause counter: 192 ****
% 0.19/0.46  
% 0.19/0.46  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:22,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:192,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------