TSTP Solution File: HEN010-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : HEN010-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n007.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sat Jul 16 13:03:12 EDT 2022

% Result   : Unsatisfiable 0.77s 0.94s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   35
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   76 (  36 unt;   0 nHn;  76 RR)
%            Number of literals    :  120 (   0 equ;  45 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ equal(divide(divide(identity,a),divide(identity,divide(identity,a))),divide(identity,a)),
    file('HEN010-3.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ less_equal(u,v)
    | equal(divide(u,v),zero) ),
    file('HEN010-3.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ equal(divide(u,v),zero)
    | less_equal(u,v) ),
    file('HEN010-3.p',unknown),
    [] ).

cnf(4,axiom,
    less_equal(divide(u,v),u),
    file('HEN010-3.p',unknown),
    [] ).

cnf(5,axiom,
    less_equal(divide(divide(u,v),divide(w,v)),divide(divide(u,w),v)),
    file('HEN010-3.p',unknown),
    [] ).

cnf(6,axiom,
    less_equal(zero,u),
    file('HEN010-3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ less_equal(u,v)
    | ~ less_equal(v,u)
    | equal(v,u) ),
    file('HEN010-3.p',unknown),
    [] ).

cnf(8,axiom,
    less_equal(u,identity),
    file('HEN010-3.p',unknown),
    [] ).

cnf(15,plain,
    ( ~ less_equal(u,zero)
    | equal(u,zero) ),
    inference(res,[status(thm),theory(equality)],[6,7]),
    [iquote('0:Res:6.0,7.0')] ).

cnf(16,plain,
    ( ~ less_equal(u,divide(u,v))
    | equal(divide(u,v),u) ),
    inference(res,[status(thm),theory(equality)],[4,7]),
    [iquote('0:Res:4.0,7.0')] ).

cnf(19,plain,
    equal(divide(zero,u),zero),
    inference(res,[status(thm),theory(equality)],[4,15]),
    [iquote('0:Res:4.0,15.0')] ).

cnf(26,plain,
    ( ~ less_equal(u,v)
    | less_equal(divide(divide(u,w),divide(v,w)),divide(zero,w)) ),
    inference(spr,[status(thm),theory(equality)],[2,5]),
    [iquote('0:SpR:2.1,5.0')] ).

cnf(29,plain,
    ( ~ less_equal(u,v)
    | less_equal(divide(divide(w,v),zero),divide(divide(w,u),v)) ),
    inference(spr,[status(thm),theory(equality)],[2,5]),
    [iquote('0:SpR:2.1,5.0')] ).

cnf(30,plain,
    less_equal(divide(divide(u,v),zero),divide(divide(u,zero),v)),
    inference(spr,[status(thm),theory(equality)],[19,5]),
    [iquote('0:SpR:19.0,5.0')] ).

cnf(34,plain,
    ( ~ less_equal(divide(divide(u,v),w),divide(divide(u,w),divide(v,w)))
    | equal(divide(divide(u,w),divide(v,w)),divide(divide(u,v),w)) ),
    inference(res,[status(thm),theory(equality)],[5,7]),
    [iquote('0:Res:5.0,7.0')] ).

cnf(36,plain,
    ( ~ less_equal(u,v)
    | less_equal(divide(divide(u,w),divide(v,w)),zero) ),
    inference(rew,[status(thm),theory(equality)],[19,26]),
    [iquote('0:Rew:19.0,26.1')] ).

cnf(40,plain,
    ( ~ less_equal(divide(u,zero),v)
    | less_equal(divide(divide(u,v),zero),zero) ),
    inference(spr,[status(thm),theory(equality)],[2,30]),
    [iquote('0:SpR:2.1,30.0')] ).

cnf(184,plain,
    ( ~ less_equal(u,v)
    | equal(divide(divide(u,w),divide(v,w)),zero) ),
    inference(res,[status(thm),theory(equality)],[36,15]),
    [iquote('0:Res:36.1,15.0')] ).

cnf(204,plain,
    ( ~ less_equal(divide(u,zero),v)
    | equal(divide(divide(u,v),zero),zero) ),
    inference(res,[status(thm),theory(equality)],[40,15]),
    [iquote('0:Res:40.1,15.0')] ).

cnf(241,plain,
    ( ~ less_equal(divide(u,zero),v)
    | ~ equal(zero,zero)
    | less_equal(divide(u,v),zero) ),
    inference(spl,[status(thm),theory(equality)],[204,3]),
    [iquote('0:SpL:204.1,3.0')] ).

cnf(244,plain,
    ( ~ less_equal(divide(u,zero),v)
    | less_equal(divide(u,v),zero) ),
    inference(obv,[status(thm),theory(equality)],[241]),
    [iquote('0:Obv:241.1')] ).

cnf(268,plain,
    less_equal(divide(u,u),zero),
    inference(res,[status(thm),theory(equality)],[4,244]),
    [iquote('0:Res:4.0,244.0')] ).

cnf(269,plain,
    less_equal(divide(u,identity),zero),
    inference(res,[status(thm),theory(equality)],[8,244]),
    [iquote('0:Res:8.0,244.0')] ).

cnf(278,plain,
    equal(divide(u,identity),zero),
    inference(res,[status(thm),theory(equality)],[269,15]),
    [iquote('0:Res:269.0,15.0')] ).

cnf(325,plain,
    equal(divide(u,u),zero),
    inference(res,[status(thm),theory(equality)],[268,15]),
    [iquote('0:Res:268.0,15.0')] ).

cnf(344,plain,
    ( ~ equal(zero,zero)
    | less_equal(u,u) ),
    inference(spl,[status(thm),theory(equality)],[325,3]),
    [iquote('0:SpL:325.0,3.0')] ).

cnf(348,plain,
    less_equal(u,u),
    inference(obv,[status(thm),theory(equality)],[344]),
    [iquote('0:Obv:344.0')] ).

cnf(357,plain,
    less_equal(divide(u,divide(u,zero)),zero),
    inference(res,[status(thm),theory(equality)],[348,244]),
    [iquote('0:Res:348.0,244.0')] ).

cnf(368,plain,
    equal(divide(u,divide(u,zero)),zero),
    inference(res,[status(thm),theory(equality)],[357,15]),
    [iquote('0:Res:357.0,15.0')] ).

cnf(430,plain,
    ( ~ equal(zero,zero)
    | less_equal(u,divide(u,zero)) ),
    inference(spl,[status(thm),theory(equality)],[368,3]),
    [iquote('0:SpL:368.0,3.0')] ).

cnf(432,plain,
    less_equal(u,divide(u,zero)),
    inference(obv,[status(thm),theory(equality)],[430]),
    [iquote('0:Obv:430.0')] ).

cnf(447,plain,
    equal(divide(u,zero),u),
    inference(res,[status(thm),theory(equality)],[432,16]),
    [iquote('0:Res:432.0,16.0')] ).

cnf(449,plain,
    ( ~ less_equal(u,v)
    | less_equal(divide(w,v),divide(divide(w,u),v)) ),
    inference(rew,[status(thm),theory(equality)],[447,29]),
    [iquote('0:Rew:447.0,29.1')] ).

cnf(550,plain,
    ( ~ less_equal(u,u)
    | equal(divide(divide(v,u),u),divide(v,u)) ),
    inference(res,[status(thm),theory(equality)],[449,16]),
    [iquote('0:Res:449.1,16.0')] ).

cnf(556,plain,
    equal(divide(divide(u,v),v),divide(u,v)),
    inference(mrr,[status(thm)],[550,348]),
    [iquote('0:MRR:550.0,348.0')] ).

cnf(590,plain,
    ( ~ less_equal(divide(zero,u),divide(divide(v,u),divide(identity,u)))
    | equal(divide(divide(v,u),divide(identity,u)),divide(divide(v,identity),u)) ),
    inference(spl,[status(thm),theory(equality)],[278,34]),
    [iquote('0:SpL:278.0,34.0')] ).

cnf(605,plain,
    ( ~ less_equal(zero,divide(divide(u,v),divide(identity,v)))
    | equal(divide(divide(u,v),divide(identity,v)),zero) ),
    inference(rew,[status(thm),theory(equality)],[19,590,278]),
    [iquote('0:Rew:19.0,590.1,278.0,590.1,19.0,590.0')] ).

cnf(606,plain,
    equal(divide(divide(u,v),divide(identity,v)),zero),
    inference(mrr,[status(thm)],[605,6]),
    [iquote('0:MRR:605.0,6.0')] ).

cnf(684,plain,
    ( ~ less_equal(zero,divide(divide(u,divide(identity,v)),divide(v,divide(identity,v))))
    | equal(divide(divide(u,divide(identity,v)),divide(v,divide(identity,v))),divide(divide(u,v),divide(identity,v))) ),
    inference(spl,[status(thm),theory(equality)],[606,34]),
    [iquote('0:SpL:606.0,34.0')] ).

cnf(698,plain,
    ( ~ less_equal(zero,divide(divide(u,divide(identity,v)),divide(v,divide(identity,v))))
    | equal(divide(divide(u,divide(identity,v)),divide(v,divide(identity,v))),zero) ),
    inference(rew,[status(thm),theory(equality)],[606,684]),
    [iquote('0:Rew:606.0,684.1')] ).

cnf(699,plain,
    equal(divide(divide(u,divide(identity,v)),divide(v,divide(identity,v))),zero),
    inference(mrr,[status(thm)],[698,6]),
    [iquote('0:MRR:698.0,6.0')] ).

cnf(749,plain,
    ( ~ less_equal(divide(divide(divide(u,v),w),v),divide(divide(u,v),divide(w,v)))
    | equal(divide(divide(divide(u,v),v),divide(w,v)),divide(divide(divide(u,v),w),v)) ),
    inference(spl,[status(thm),theory(equality)],[556,34]),
    [iquote('0:SpL:556.0,34.0')] ).

cnf(754,plain,
    ( ~ less_equal(divide(divide(divide(u,v),w),v),divide(divide(u,v),divide(w,v)))
    | equal(divide(divide(divide(u,v),w),v),divide(divide(u,v),divide(w,v))) ),
    inference(rew,[status(thm),theory(equality)],[556,749]),
    [iquote('0:Rew:556.0,749.1')] ).

cnf(863,plain,
    ( ~ less_equal(u,v)
    | ~ less_equal(w,u)
    | equal(divide(divide(w,v),zero),zero) ),
    inference(spr,[status(thm),theory(equality)],[2,184]),
    [iquote('0:SpR:2.1,184.1')] ).

cnf(894,plain,
    ( ~ less_equal(u,v)
    | ~ less_equal(w,u)
    | equal(divide(w,v),zero) ),
    inference(rew,[status(thm),theory(equality)],[447,863]),
    [iquote('0:Rew:447.0,863.2')] ).

cnf(1450,plain,
    ( ~ equal(zero,zero)
    | less_equal(divide(u,divide(identity,v)),divide(v,divide(identity,v))) ),
    inference(spl,[status(thm),theory(equality)],[699,3]),
    [iquote('0:SpL:699.0,3.0')] ).

cnf(1468,plain,
    less_equal(divide(u,divide(identity,v)),divide(v,divide(identity,v))),
    inference(obv,[status(thm),theory(equality)],[1450]),
    [iquote('0:Obv:1450.0')] ).

cnf(1486,plain,
    ( ~ less_equal(u,divide(v,w))
    | equal(divide(u,v),zero) ),
    inference(res,[status(thm),theory(equality)],[4,894]),
    [iquote('0:Res:4.0,894.0')] ).

cnf(2023,plain,
    equal(divide(divide(divide(u,v),w),u),zero),
    inference(res,[status(thm),theory(equality)],[4,1486]),
    [iquote('0:Res:4.0,1486.0')] ).

cnf(2025,plain,
    equal(divide(divide(u,v),u),zero),
    inference(res,[status(thm),theory(equality)],[348,1486]),
    [iquote('0:Res:348.0,1486.0')] ).

cnf(2030,plain,
    equal(divide(divide(u,divide(identity,v)),v),zero),
    inference(res,[status(thm),theory(equality)],[1468,1486]),
    [iquote('0:Res:1468.0,1486.0')] ).

cnf(2083,plain,
    ( ~ less_equal(divide(zero,u),divide(divide(divide(v,w),u),divide(v,u)))
    | equal(divide(divide(divide(v,w),u),divide(v,u)),divide(divide(divide(v,w),v),u)) ),
    inference(spl,[status(thm),theory(equality)],[2025,34]),
    [iquote('0:SpL:2025.0,34.0')] ).

cnf(2089,plain,
    ( ~ less_equal(divide(divide(u,divide(v,w)),v),divide(divide(u,v),zero))
    | equal(divide(divide(u,v),divide(divide(v,w),v)),divide(divide(u,divide(v,w)),v)) ),
    inference(spl,[status(thm),theory(equality)],[2025,34]),
    [iquote('0:SpL:2025.0,34.0')] ).

cnf(2104,plain,
    ( ~ less_equal(divide(divide(u,divide(v,w)),v),divide(u,v))
    | equal(divide(divide(u,divide(v,w)),v),divide(u,v)) ),
    inference(rew,[status(thm),theory(equality)],[447,2089,2025]),
    [iquote('0:Rew:447.0,2089.1,2025.0,2089.1,447.0,2089.0')] ).

cnf(2106,plain,
    ( ~ less_equal(zero,divide(divide(divide(u,v),w),divide(u,w)))
    | equal(divide(divide(divide(u,v),w),divide(u,w)),zero) ),
    inference(rew,[status(thm),theory(equality)],[19,2083,2025]),
    [iquote('0:Rew:19.0,2083.1,2025.0,2083.1,19.0,2083.0')] ).

cnf(2107,plain,
    equal(divide(divide(divide(u,v),w),divide(u,w)),zero),
    inference(mrr,[status(thm)],[2106,6]),
    [iquote('0:MRR:2106.0,6.0')] ).

cnf(2168,plain,
    ( ~ less_equal(divide(divide(u,divide(v,divide(identity,w))),w),divide(divide(u,w),zero))
    | equal(divide(divide(u,w),divide(divide(v,divide(identity,w)),w)),divide(divide(u,divide(v,divide(identity,w))),w)) ),
    inference(spl,[status(thm),theory(equality)],[2030,34]),
    [iquote('0:SpL:2030.0,34.0')] ).

cnf(2187,plain,
    ( ~ less_equal(divide(divide(u,divide(v,divide(identity,w))),w),divide(u,w))
    | equal(divide(divide(u,divide(v,divide(identity,w))),w),divide(u,w)) ),
    inference(rew,[status(thm),theory(equality)],[447,2168,2030]),
    [iquote('0:Rew:447.0,2168.1,2030.0,2168.1,447.0,2168.0')] ).

cnf(2432,plain,
    ( ~ equal(zero,zero)
    | less_equal(divide(divide(u,v),w),u) ),
    inference(spl,[status(thm),theory(equality)],[2023,3]),
    [iquote('0:SpL:2023.0,3.0')] ).

cnf(2456,plain,
    less_equal(divide(divide(u,v),w),u),
    inference(obv,[status(thm),theory(equality)],[2432]),
    [iquote('0:Obv:2432.0')] ).

cnf(3704,plain,
    ( ~ equal(zero,zero)
    | less_equal(divide(divide(u,v),w),divide(u,w)) ),
    inference(spl,[status(thm),theory(equality)],[2107,3]),
    [iquote('0:SpL:2107.0,3.0')] ).

cnf(3747,plain,
    less_equal(divide(divide(u,v),w),divide(u,w)),
    inference(obv,[status(thm),theory(equality)],[3704]),
    [iquote('0:Obv:3704.0')] ).

cnf(3753,plain,
    equal(divide(divide(u,divide(v,w)),v),divide(u,v)),
    inference(mrr,[status(thm)],[2104,3747]),
    [iquote('0:MRR:2104.0,3747.0')] ).

cnf(3754,plain,
    equal(divide(divide(u,divide(v,divide(identity,w))),w),divide(u,w)),
    inference(mrr,[status(thm)],[2187,3747]),
    [iquote('0:MRR:2187.0,3747.0')] ).

cnf(5257,plain,
    less_equal(divide(u,v),divide(u,divide(v,w))),
    inference(spr,[status(thm),theory(equality)],[3753,4]),
    [iquote('0:SpR:3753.0,4.0')] ).

cnf(5265,plain,
    less_equal(divide(divide(u,v),w),divide(u,divide(v,x))),
    inference(spr,[status(thm),theory(equality)],[3753,2456]),
    [iquote('0:SpR:3753.0,2456.0')] ).

cnf(5410,plain,
    equal(divide(divide(divide(u,v),w),v),divide(divide(u,v),divide(w,v))),
    inference(mrr,[status(thm)],[754,5265]),
    [iquote('0:MRR:754.0,5265.0')] ).

cnf(6087,plain,
    ( ~ less_equal(divide(divide(u,v),w),divide(divide(u,v),divide(w,v)))
    | equal(divide(divide(divide(u,v),w),v),divide(divide(u,v),w)) ),
    inference(spl,[status(thm),theory(equality)],[5410,16]),
    [iquote('0:SpL:5410.0,16.0')] ).

cnf(6176,plain,
    ( ~ less_equal(divide(divide(u,v),w),divide(divide(u,v),divide(w,v)))
    | equal(divide(divide(u,v),divide(w,v)),divide(divide(u,v),w)) ),
    inference(rew,[status(thm),theory(equality)],[5410,6087]),
    [iquote('0:Rew:5410.0,6087.1')] ).

cnf(6177,plain,
    equal(divide(divide(u,v),divide(w,v)),divide(divide(u,v),w)),
    inference(mrr,[status(thm)],[6176,5257]),
    [iquote('0:MRR:6176.0,5257.0')] ).

cnf(6182,plain,
    ( ~ less_equal(divide(divide(u,v),w),divide(divide(u,w),v))
    | equal(divide(divide(u,w),divide(v,w)),divide(divide(u,v),w)) ),
    inference(rew,[status(thm),theory(equality)],[6177,34]),
    [iquote('0:Rew:6177.0,34.0')] ).

cnf(6185,plain,
    less_equal(divide(divide(u,v),w),divide(divide(u,w),v)),
    inference(rew,[status(thm),theory(equality)],[6177,5]),
    [iquote('0:Rew:6177.0,5.0')] ).

cnf(6315,plain,
    ( ~ less_equal(divide(divide(u,v),w),divide(divide(u,w),v))
    | equal(divide(divide(u,w),v),divide(divide(u,v),w)) ),
    inference(rew,[status(thm),theory(equality)],[6177,6182]),
    [iquote('0:Rew:6177.0,6182.1')] ).

cnf(6316,plain,
    equal(divide(divide(u,v),w),divide(divide(u,w),v)),
    inference(mrr,[status(thm)],[6315,6185]),
    [iquote('0:MRR:6315.0,6185.0')] ).

cnf(6338,plain,
    equal(divide(divide(u,v),divide(w,divide(identity,v))),divide(u,v)),
    inference(rew,[status(thm),theory(equality)],[6316,3754]),
    [iquote('0:Rew:6316.0,3754.0')] ).

cnf(6352,plain,
    $false,
    inference(unc,[status(thm)],[6338,1]),
    [iquote('0:UnC:6338.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : HEN010-3 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n007.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 : Fri Jul  1 12:48:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.77/0.94  
% 0.77/0.94  SPASS V 3.9 
% 0.77/0.94  SPASS beiseite: Proof found.
% 0.77/0.94  % SZS status Theorem
% 0.77/0.94  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.77/0.94  SPASS derived 4488 clauses, backtracked 0 clauses, performed 0 splits and kept 720 clauses.
% 0.77/0.94  SPASS allocated 67192 KBytes.
% 0.77/0.94  SPASS spent	0:00:00.59 on the problem.
% 0.77/0.94  		0:00:00.03 for the input.
% 0.77/0.94  		0:00:00.00 for the FLOTTER CNF translation.
% 0.77/0.94  		0:00:00.04 for inferences.
% 0.77/0.94  		0:00:00.00 for the backtracking.
% 0.77/0.94  		0:00:00.50 for the reduction.
% 0.77/0.94  
% 0.77/0.94  
% 0.77/0.94  Here is a proof with depth 13, length 76 :
% 0.77/0.94  % SZS output start Refutation
% See solution above
% 0.77/0.96  Formulae used in the proof : prove_property_of_inversion quotient_less_equal1 quotient_less_equal2 quotient_smaller_than_numerator quotient_property zero_is_smallest less_equal_and_equal identity_is_largest
% 0.77/0.96  
%------------------------------------------------------------------------------