TSTP Solution File: SET882+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET882+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %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  : 600s
% DateTime : Tue Jul 19 00:22:54 EDT 2022

% Result   : Theorem 1.93s 1.15s
% Output   : Proof 2.84s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET882+1 : TPTP v8.1.0. Released v3.2.0.
% 0.06/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.13/0.33  % Computer : n011.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jul 11 08:48:27 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.19/0.57          ____       _                          
% 0.19/0.57    ___  / __ \_____(_)___  ________  __________
% 0.19/0.57   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.19/0.57  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.19/0.57  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.19/0.57  
% 0.19/0.57  A Theorem Prover for First-Order Logic
% 0.19/0.57  (ePrincess v.1.0)
% 0.19/0.57  
% 0.19/0.57  (c) Philipp Rümmer, 2009-2015
% 0.19/0.57  (c) Peter Backeman, 2014-2015
% 0.19/0.57  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.19/0.57  Free software under GNU Lesser General Public License (LGPL).
% 0.19/0.57  Bug reports to peter@backeman.se
% 0.19/0.57  
% 0.19/0.57  For more information, visit http://user.uu.se/~petba168/breu/
% 0.19/0.57  
% 0.19/0.58  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.69/0.62  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.21/0.85  Prover 0: Preprocessing ...
% 1.53/1.01  Prover 0: Warning: ignoring some quantifiers
% 1.72/1.03  Prover 0: Constructing countermodel ...
% 1.93/1.14  Prover 0: proved (523ms)
% 1.93/1.15  
% 1.93/1.15  No countermodel exists, formula is valid
% 1.93/1.15  % SZS status Theorem for theBenchmark
% 1.93/1.15  
% 1.93/1.15  Generating proof ... Warning: ignoring some quantifiers
% 2.64/1.36  found it (size 11)
% 2.64/1.36  
% 2.64/1.36  % SZS output start Proof for theBenchmark
% 2.64/1.36  Assumed formulas after preprocessing and simplification: 
% 2.64/1.36  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : ( ~ (v5 = v4) &  ~ (v1 = v0) & set_difference(v2, v3) = v4 & singleton(v1) = v3 & singleton(v0) = v5 & unordered_pair(v0, v1) = v2 & empty(v7) &  ~ empty(v6) &  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v9 = v8 |  ~ (set_difference(v11, v10) = v12) |  ~ (unordered_pair(v8, v9) = v11) | in(v9, v10) |  ? [v13] : ( ~ (v13 = v12) & singleton(v8) = v13)) &  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v11, v10) = v12) |  ~ (unordered_pair(v8, v9) = v11) |  ~ in(v9, v10) | singleton(v8) = v12 | in(v8, v10)) &  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v11, v10) = v12) |  ~ (unordered_pair(v8, v9) = v11) |  ~ in(v8, v10) |  ? [v13] : ( ~ (v13 = v12) & singleton(v8) = v13)) &  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] : (v9 = v8 |  ~ (set_difference(v11, v10) = v9) |  ~ (set_difference(v11, v10) = v8)) &  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] : (v9 = v8 |  ~ (unordered_pair(v11, v10) = v9) |  ~ (unordered_pair(v11, v10) = v8)) &  ! [v8] :  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (set_difference(v10, v9) = v11) |  ~ (unordered_pair(v8, v8) = v10) | singleton(v8) = v11 | in(v8, v9)) &  ! [v8] :  ! [v9] :  ! [v10] : (v10 = v8 |  ~ (singleton(v8) = v9) |  ~ in(v10, v9)) &  ! [v8] :  ! [v9] :  ! [v10] : (v9 = v8 |  ~ (singleton(v10) = v9) |  ~ (singleton(v10) = v8)) &  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (unordered_pair(v9, v8) = v10) | unordered_pair(v8, v9) = v10) &  ! [v8] :  ! [v9] :  ! [v10] : ( ~ (unordered_pair(v8, v9) = v10) | unordered_pair(v9, v8) = v10) &  ? [v8] :  ! [v9] :  ! [v10] : (v10 = v8 |  ~ (singleton(v9) = v10) |  ? [v11] : (( ~ (v11 = v9) |  ~ in(v9, v8)) & (v11 = v9 | in(v11, v8)))) &  ! [v8] :  ! [v9] : ( ~ (singleton(v8) = v9) | in(v8, v9)) &  ! [v8] :  ! [v9] : ( ~ in(v9, v8) |  ~ in(v8, v9)))
% 2.84/1.40  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4, all_0_5_5, all_0_6_6, all_0_7_7 yields:
% 2.84/1.40  | (1)  ~ (all_0_2_2 = all_0_3_3) &  ~ (all_0_6_6 = all_0_7_7) & set_difference(all_0_5_5, all_0_4_4) = all_0_3_3 & singleton(all_0_6_6) = all_0_4_4 & singleton(all_0_7_7) = all_0_2_2 & unordered_pair(all_0_7_7, all_0_6_6) = all_0_5_5 & empty(all_0_0_0) &  ~ empty(all_0_1_1) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v1 = v0 |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) | singleton(v0) = v4 | in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v0, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (unordered_pair(v0, v0) = v2) | singleton(v0) = v3 | in(v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v0) = v1) |  ~ in(v2, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v1) = v2) |  ? [v3] : (( ~ (v3 = v1) |  ~ in(v1, v0)) & (v3 = v1 | in(v3, v0)))) &  ! [v0] :  ! [v1] : ( ~ (singleton(v0) = v1) | in(v0, v1)) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.84/1.41  |
% 2.84/1.41  | Applying alpha-rule on (1) yields:
% 2.84/1.41  | (2)  ~ (all_0_6_6 = all_0_7_7)
% 2.84/1.41  | (3)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v0) = v1) |  ~ in(v2, v1))
% 2.84/1.41  | (4)  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v1) = v2) |  ? [v3] : (( ~ (v3 = v1) |  ~ in(v1, v0)) & (v3 = v1 | in(v3, v0))))
% 2.84/1.41  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) | singleton(v0) = v4 | in(v0, v2))
% 2.84/1.41  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0))
% 2.84/1.41  | (7) empty(all_0_0_0)
% 2.84/1.41  | (8) set_difference(all_0_5_5, all_0_4_4) = all_0_3_3
% 2.84/1.41  | (9) singleton(all_0_6_6) = all_0_4_4
% 2.84/1.41  | (10)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 2.84/1.41  | (11)  ~ empty(all_0_1_1)
% 2.84/1.41  | (12)  ! [v0] :  ! [v1] : ( ~ (singleton(v0) = v1) | in(v0, v1))
% 2.84/1.41  | (13)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 2.84/1.41  | (14)  ~ (all_0_2_2 = all_0_3_3)
% 2.84/1.41  | (15)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.84/1.41  | (16)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v1 = v0 |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5))
% 2.84/1.41  | (17) singleton(all_0_7_7) = all_0_2_2
% 2.84/1.41  | (18)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v0, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5))
% 2.84/1.42  | (19)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (unordered_pair(v0, v0) = v2) | singleton(v0) = v3 | in(v0, v1))
% 2.84/1.42  | (20)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 2.84/1.42  | (21)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2)
% 2.84/1.42  | (22) unordered_pair(all_0_7_7, all_0_6_6) = all_0_5_5
% 2.84/1.42  |
% 2.84/1.42  | Instantiating formula (12) with all_0_4_4, all_0_6_6 and discharging atoms singleton(all_0_6_6) = all_0_4_4, yields:
% 2.84/1.42  | (23) in(all_0_6_6, all_0_4_4)
% 2.84/1.42  |
% 2.84/1.42  | Instantiating formula (5) with all_0_3_3, all_0_5_5, all_0_4_4, all_0_6_6, all_0_7_7 and discharging atoms set_difference(all_0_5_5, all_0_4_4) = all_0_3_3, unordered_pair(all_0_7_7, all_0_6_6) = all_0_5_5, in(all_0_6_6, all_0_4_4), yields:
% 2.84/1.42  | (24) singleton(all_0_7_7) = all_0_3_3 | in(all_0_7_7, all_0_4_4)
% 2.84/1.42  |
% 2.84/1.42  +-Applying beta-rule and splitting (24), into two cases.
% 2.84/1.42  |-Branch one:
% 2.84/1.42  | (25) singleton(all_0_7_7) = all_0_3_3
% 2.84/1.42  |
% 2.84/1.42  	| Instantiating formula (10) with all_0_7_7, all_0_3_3, all_0_2_2 and discharging atoms singleton(all_0_7_7) = all_0_2_2, singleton(all_0_7_7) = all_0_3_3, yields:
% 2.84/1.42  	| (26) all_0_2_2 = all_0_3_3
% 2.84/1.42  	|
% 2.84/1.42  	| Equations (26) can reduce 14 to:
% 2.84/1.42  	| (27) $false
% 2.84/1.42  	|
% 2.84/1.42  	|-The branch is then unsatisfiable
% 2.84/1.42  |-Branch two:
% 2.84/1.42  | (28)  ~ (singleton(all_0_7_7) = all_0_3_3)
% 2.84/1.42  | (29) in(all_0_7_7, all_0_4_4)
% 2.84/1.42  |
% 2.84/1.42  	| Instantiating formula (3) with all_0_7_7, all_0_4_4, all_0_6_6 and discharging atoms singleton(all_0_6_6) = all_0_4_4, in(all_0_7_7, all_0_4_4), yields:
% 2.84/1.42  	| (30) all_0_6_6 = all_0_7_7
% 2.84/1.42  	|
% 2.84/1.42  	| Equations (30) can reduce 2 to:
% 2.84/1.42  	| (27) $false
% 2.84/1.42  	|
% 2.84/1.42  	|-The branch is then unsatisfiable
% 2.84/1.42  % SZS output end Proof for theBenchmark
% 2.84/1.42  
% 2.84/1.42  838ms
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