TSTP Solution File: SET347+4 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET347+4 : TPTP v8.1.0. Released v2.2.0.
% 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 00:19:08 EDT 2022

% Result   : Theorem 3.51s 1.47s
% Output   : Proof 4.90s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SET347+4 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.13/0.35  % Computer : n011.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Mon Jul 11 03:07:27 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.59          ____       _                          
% 0.20/0.59    ___  / __ \_____(_)___  ________  __________
% 0.20/0.59   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.20/0.59  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.20/0.59  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.20/0.59  
% 0.20/0.59  A Theorem Prover for First-Order Logic
% 0.20/0.60  (ePrincess v.1.0)
% 0.20/0.60  
% 0.20/0.60  (c) Philipp Rümmer, 2009-2015
% 0.20/0.60  (c) Peter Backeman, 2014-2015
% 0.20/0.60  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.20/0.60  Free software under GNU Lesser General Public License (LGPL).
% 0.20/0.60  Bug reports to peter@backeman.se
% 0.20/0.60  
% 0.20/0.60  For more information, visit http://user.uu.se/~petba168/breu/
% 0.20/0.60  
% 0.62/0.60  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.68/0.65  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.53/0.91  Prover 0: Preprocessing ...
% 2.02/1.10  Prover 0: Warning: ignoring some quantifiers
% 2.02/1.13  Prover 0: Constructing countermodel ...
% 2.62/1.25  Prover 0: gave up
% 2.62/1.25  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 2.62/1.27  Prover 1: Preprocessing ...
% 3.09/1.39  Prover 1: Constructing countermodel ...
% 3.51/1.46  Prover 1: proved (212ms)
% 3.51/1.47  
% 3.51/1.47  No countermodel exists, formula is valid
% 3.51/1.47  % SZS status Theorem for theBenchmark
% 3.51/1.47  
% 3.51/1.47  Generating proof ... found it (size 28)
% 4.43/1.72  
% 4.43/1.72  % SZS output start Proof for theBenchmark
% 4.43/1.72  Assumed formulas after preprocessing and simplification: 
% 4.43/1.72  | (0)  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & sum(empty_set) = v0 & equal_set(v0, empty_set) = v1 &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : (v6 = 0 |  ~ (product(v3) = v4) |  ~ (member(v2, v5) = v6) |  ~ (member(v2, v4) = 0) |  ? [v7] : ( ~ (v7 = 0) & member(v5, v3) = v7)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : (v6 = 0 |  ~ (difference(v4, v3) = v5) |  ~ (member(v2, v5) = v6) |  ? [v7] :  ? [v8] : (member(v2, v4) = v7 & member(v2, v3) = v8 & ( ~ (v7 = 0) | v8 = 0))) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : (v6 = 0 |  ~ (union(v3, v4) = v5) |  ~ (member(v2, v5) = v6) |  ? [v7] :  ? [v8] : ( ~ (v8 = 0) &  ~ (v7 = 0) & member(v2, v4) = v8 & member(v2, v3) = v7)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : (v6 = 0 |  ~ (intersection(v3, v4) = v5) |  ~ (member(v2, v5) = v6) |  ? [v7] :  ? [v8] : (member(v2, v4) = v8 & member(v2, v3) = v7 & ( ~ (v8 = 0) |  ~ (v7 = 0)))) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] :  ! [v6] : (v5 = 0 |  ~ (sum(v3) = v4) |  ~ (member(v2, v6) = 0) |  ~ (member(v2, v4) = v5) |  ? [v7] : ( ~ (v7 = 0) & member(v6, v3) = v7)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (product(v3) = v4) |  ~ (member(v2, v4) = v5) |  ? [v6] :  ? [v7] : ( ~ (v7 = 0) & member(v6, v3) = 0 & member(v2, v6) = v7)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (unordered_pair(v3, v2) = v4) |  ~ (member(v2, v4) = v5)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (unordered_pair(v2, v3) = v4) |  ~ (member(v2, v4) = v5)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (power_set(v3) = v4) |  ~ (member(v2, v4) = v5) |  ? [v6] : ( ~ (v6 = 0) & subset(v2, v3) = v6)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v4 = v2 | v3 = v2 |  ~ (unordered_pair(v3, v4) = v5) |  ~ (member(v2, v5) = 0)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (unordered_pair(v5, v4) = v3) |  ~ (unordered_pair(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (difference(v5, v4) = v3) |  ~ (difference(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (union(v5, v4) = v3) |  ~ (union(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (intersection(v5, v4) = v3) |  ~ (intersection(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (equal_set(v5, v4) = v3) |  ~ (equal_set(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (subset(v5, v4) = v3) |  ~ (subset(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (member(v5, v4) = v3) |  ~ (member(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ (difference(v4, v3) = v5) |  ~ (member(v2, v5) = 0) |  ? [v6] : ( ~ (v6 = 0) & member(v2, v4) = 0 & member(v2, v3) = v6)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ (union(v3, v4) = v5) |  ~ (member(v2, v5) = 0) |  ? [v6] :  ? [v7] : (member(v2, v4) = v7 & member(v2, v3) = v6 & (v7 = 0 | v6 = 0))) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : ( ~ (intersection(v3, v4) = v5) |  ~ (member(v2, v5) = 0) | (member(v2, v4) = 0 & member(v2, v3) = 0)) &  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (singleton(v2) = v3) |  ~ (member(v2, v3) = v4)) &  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (equal_set(v2, v3) = v4) |  ? [v5] :  ? [v6] : (subset(v3, v2) = v6 & subset(v2, v3) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0)))) &  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (subset(v2, v3) = v4) |  ? [v5] :  ? [v6] : ( ~ (v6 = 0) & member(v5, v3) = v6 & member(v5, v2) = 0)) &  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v2 |  ~ (product(v4) = v3) |  ~ (product(v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v2 |  ~ (sum(v4) = v3) |  ~ (sum(v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v2 |  ~ (singleton(v4) = v3) |  ~ (singleton(v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v2 |  ~ (singleton(v3) = v4) |  ~ (member(v2, v4) = 0)) &  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v2 |  ~ (power_set(v4) = v3) |  ~ (power_set(v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (sum(v3) = v4) |  ~ (member(v2, v4) = 0) |  ? [v5] : (member(v5, v3) = 0 & member(v2, v5) = 0)) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (power_set(v3) = v4) |  ~ (member(v2, v4) = 0) | subset(v2, v3) = 0) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (subset(v2, v3) = 0) |  ~ (member(v4, v2) = 0) | member(v4, v3) = 0) &  ! [v2] :  ! [v3] : ( ~ (equal_set(v2, v3) = 0) | (subset(v3, v2) = 0 & subset(v2, v3) = 0)) &  ! [v2] :  ~ (member(v2, empty_set) = 0))
% 4.75/1.76  | Instantiating (0) with all_0_0_0, all_0_1_1 yields:
% 4.75/1.76  | (1)  ~ (all_0_0_0 = 0) & sum(empty_set) = all_0_1_1 & equal_set(all_0_1_1, empty_set) = all_0_0_0 &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (product(v1) = v2) |  ~ (member(v0, v3) = v4) |  ~ (member(v0, v2) = 0) |  ? [v5] : ( ~ (v5 = 0) & member(v3, v1) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (difference(v2, v1) = v3) |  ~ (member(v0, v3) = v4) |  ? [v5] :  ? [v6] : (member(v0, v2) = v5 & member(v0, v1) = v6 & ( ~ (v5 = 0) | v6 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (union(v1, v2) = v3) |  ~ (member(v0, v3) = v4) |  ? [v5] :  ? [v6] : ( ~ (v6 = 0) &  ~ (v5 = 0) & member(v0, v2) = v6 & member(v0, v1) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (intersection(v1, v2) = v3) |  ~ (member(v0, v3) = v4) |  ? [v5] :  ? [v6] : (member(v0, v2) = v6 & member(v0, v1) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0)))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v3 = 0 |  ~ (sum(v1) = v2) |  ~ (member(v0, v4) = 0) |  ~ (member(v0, v2) = v3) |  ? [v5] : ( ~ (v5 = 0) & member(v4, v1) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (product(v1) = v2) |  ~ (member(v0, v2) = v3) |  ? [v4] :  ? [v5] : ( ~ (v5 = 0) & member(v4, v1) = 0 & member(v0, v4) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v1, v0) = v2) |  ~ (member(v0, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (member(v0, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (power_set(v1) = v2) |  ~ (member(v0, v2) = v3) |  ? [v4] : ( ~ (v4 = 0) & subset(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v0 | v1 = v0 |  ~ (unordered_pair(v1, v2) = v3) |  ~ (member(v0, v3) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (difference(v3, v2) = v1) |  ~ (difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (union(v3, v2) = v1) |  ~ (union(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (intersection(v3, v2) = v1) |  ~ (intersection(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (equal_set(v3, v2) = v1) |  ~ (equal_set(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (subset(v3, v2) = v1) |  ~ (subset(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (member(v3, v2) = v1) |  ~ (member(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (difference(v2, v1) = v3) |  ~ (member(v0, v3) = 0) |  ? [v4] : ( ~ (v4 = 0) & member(v0, v2) = 0 & member(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (union(v1, v2) = v3) |  ~ (member(v0, v3) = 0) |  ? [v4] :  ? [v5] : (member(v0, v2) = v5 & member(v0, v1) = v4 & (v5 = 0 | v4 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (intersection(v1, v2) = v3) |  ~ (member(v0, v3) = 0) | (member(v0, v2) = 0 & member(v0, v1) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v0) = v1) |  ~ (member(v0, v1) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (equal_set(v0, v1) = v2) |  ? [v3] :  ? [v4] : (subset(v1, v0) = v4 & subset(v0, v1) = v3 & ( ~ (v4 = 0) |  ~ (v3 = 0)))) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (subset(v0, v1) = v2) |  ? [v3] :  ? [v4] : ( ~ (v4 = 0) & member(v3, v1) = v4 & member(v3, v0) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (product(v2) = v1) |  ~ (product(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (sum(v2) = v1) |  ~ (sum(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v1) = v2) |  ~ (member(v0, v2) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (power_set(v2) = v1) |  ~ (power_set(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (sum(v1) = v2) |  ~ (member(v0, v2) = 0) |  ? [v3] : (member(v3, v1) = 0 & member(v0, v3) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (power_set(v1) = v2) |  ~ (member(v0, v2) = 0) | subset(v0, v1) = 0) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (subset(v0, v1) = 0) |  ~ (member(v2, v0) = 0) | member(v2, v1) = 0) &  ! [v0] :  ! [v1] : ( ~ (equal_set(v0, v1) = 0) | (subset(v1, v0) = 0 & subset(v0, v1) = 0)) &  ! [v0] :  ~ (member(v0, empty_set) = 0)
% 4.75/1.78  |
% 4.75/1.78  | Applying alpha-rule on (1) yields:
% 4.75/1.78  | (2)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (difference(v2, v1) = v3) |  ~ (member(v0, v3) = v4) |  ? [v5] :  ? [v6] : (member(v0, v2) = v5 & member(v0, v1) = v6 & ( ~ (v5 = 0) | v6 = 0)))
% 4.75/1.78  | (3)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v1) = v2) |  ~ (member(v0, v2) = 0))
% 4.75/1.78  | (4)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (difference(v2, v1) = v3) |  ~ (member(v0, v3) = 0) |  ? [v4] : ( ~ (v4 = 0) & member(v0, v2) = 0 & member(v0, v1) = v4))
% 4.75/1.78  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (union(v1, v2) = v3) |  ~ (member(v0, v3) = v4) |  ? [v5] :  ? [v6] : ( ~ (v6 = 0) &  ~ (v5 = 0) & member(v0, v2) = v6 & member(v0, v1) = v5))
% 4.75/1.78  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (union(v1, v2) = v3) |  ~ (member(v0, v3) = 0) |  ? [v4] :  ? [v5] : (member(v0, v2) = v5 & member(v0, v1) = v4 & (v5 = 0 | v4 = 0)))
% 4.75/1.78  | (7) sum(empty_set) = all_0_1_1
% 4.75/1.78  | (8)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v0 | v1 = v0 |  ~ (unordered_pair(v1, v2) = v3) |  ~ (member(v0, v3) = 0))
% 4.75/1.78  | (9)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (product(v2) = v1) |  ~ (product(v2) = v0))
% 4.75/1.78  | (10)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (sum(v1) = v2) |  ~ (member(v0, v2) = 0) |  ? [v3] : (member(v3, v1) = 0 & member(v0, v3) = 0))
% 4.75/1.78  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (intersection(v1, v2) = v3) |  ~ (member(v0, v3) = 0) | (member(v0, v2) = 0 & member(v0, v1) = 0))
% 4.75/1.79  | (12)  ! [v0] :  ! [v1] : ( ~ (equal_set(v0, v1) = 0) | (subset(v1, v0) = 0 & subset(v0, v1) = 0))
% 4.75/1.79  | (13)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (sum(v2) = v1) |  ~ (sum(v2) = v0))
% 4.75/1.79  | (14)  ! [v0] :  ~ (member(v0, empty_set) = 0)
% 4.75/1.79  | (15)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (subset(v0, v1) = v2) |  ? [v3] :  ? [v4] : ( ~ (v4 = 0) & member(v3, v1) = v4 & member(v3, v0) = 0))
% 4.75/1.79  | (16)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (member(v3, v2) = v1) |  ~ (member(v3, v2) = v0))
% 4.75/1.79  | (17)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (intersection(v3, v2) = v1) |  ~ (intersection(v3, v2) = v0))
% 4.75/1.79  | (18)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v1, v0) = v2) |  ~ (member(v0, v2) = v3))
% 4.75/1.79  | (19)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (intersection(v1, v2) = v3) |  ~ (member(v0, v3) = v4) |  ? [v5] :  ? [v6] : (member(v0, v2) = v6 & member(v0, v1) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0))))
% 4.75/1.79  | (20)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (power_set(v2) = v1) |  ~ (power_set(v2) = v0))
% 4.75/1.79  | (21)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (subset(v0, v1) = 0) |  ~ (member(v2, v0) = 0) | member(v2, v1) = 0)
% 4.75/1.79  | (22)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (union(v3, v2) = v1) |  ~ (union(v3, v2) = v0))
% 4.75/1.79  | (23)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (power_set(v1) = v2) |  ~ (member(v0, v2) = 0) | subset(v0, v1) = 0)
% 4.75/1.79  | (24)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (equal_set(v3, v2) = v1) |  ~ (equal_set(v3, v2) = v0))
% 4.75/1.79  | (25)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 4.75/1.79  | (26)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 4.75/1.79  | (27)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (power_set(v1) = v2) |  ~ (member(v0, v2) = v3) |  ? [v4] : ( ~ (v4 = 0) & subset(v0, v1) = v4))
% 4.75/1.79  | (28)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v3 = 0 |  ~ (sum(v1) = v2) |  ~ (member(v0, v4) = 0) |  ~ (member(v0, v2) = v3) |  ? [v5] : ( ~ (v5 = 0) & member(v4, v1) = v5))
% 4.75/1.79  | (29) equal_set(all_0_1_1, empty_set) = all_0_0_0
% 4.75/1.79  | (30)  ~ (all_0_0_0 = 0)
% 4.75/1.79  | (31)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (equal_set(v0, v1) = v2) |  ? [v3] :  ? [v4] : (subset(v1, v0) = v4 & subset(v0, v1) = v3 & ( ~ (v4 = 0) |  ~ (v3 = 0))))
% 4.75/1.79  | (32)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (product(v1) = v2) |  ~ (member(v0, v3) = v4) |  ~ (member(v0, v2) = 0) |  ? [v5] : ( ~ (v5 = 0) & member(v3, v1) = v5))
% 4.75/1.79  | (33)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v0) = v1) |  ~ (member(v0, v1) = v2))
% 4.75/1.80  | (34)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (difference(v3, v2) = v1) |  ~ (difference(v3, v2) = v0))
% 4.75/1.80  | (35)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (subset(v3, v2) = v1) |  ~ (subset(v3, v2) = v0))
% 4.75/1.80  | (36)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (product(v1) = v2) |  ~ (member(v0, v2) = v3) |  ? [v4] :  ? [v5] : ( ~ (v5 = 0) & member(v4, v1) = 0 & member(v0, v4) = v5))
% 4.75/1.80  | (37)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (member(v0, v2) = v3))
% 4.75/1.80  |
% 4.75/1.80  | Instantiating formula (31) with all_0_0_0, empty_set, all_0_1_1 and discharging atoms equal_set(all_0_1_1, empty_set) = all_0_0_0, yields:
% 4.75/1.80  | (38) all_0_0_0 = 0 |  ? [v0] :  ? [v1] : (subset(all_0_1_1, empty_set) = v0 & subset(empty_set, all_0_1_1) = v1 & ( ~ (v1 = 0) |  ~ (v0 = 0)))
% 4.75/1.80  |
% 4.75/1.80  +-Applying beta-rule and splitting (38), into two cases.
% 4.75/1.80  |-Branch one:
% 4.75/1.80  | (39) all_0_0_0 = 0
% 4.75/1.80  |
% 4.75/1.80  	| Equations (39) can reduce 30 to:
% 4.75/1.80  	| (40) $false
% 4.75/1.80  	|
% 4.75/1.80  	|-The branch is then unsatisfiable
% 4.75/1.80  |-Branch two:
% 4.75/1.80  | (30)  ~ (all_0_0_0 = 0)
% 4.75/1.80  | (42)  ? [v0] :  ? [v1] : (subset(all_0_1_1, empty_set) = v0 & subset(empty_set, all_0_1_1) = v1 & ( ~ (v1 = 0) |  ~ (v0 = 0)))
% 4.75/1.80  |
% 4.75/1.80  	| Instantiating (42) with all_10_0_2, all_10_1_3 yields:
% 4.75/1.80  	| (43) subset(all_0_1_1, empty_set) = all_10_1_3 & subset(empty_set, all_0_1_1) = all_10_0_2 & ( ~ (all_10_0_2 = 0) |  ~ (all_10_1_3 = 0))
% 4.75/1.80  	|
% 4.75/1.80  	| Applying alpha-rule on (43) yields:
% 4.75/1.80  	| (44) subset(all_0_1_1, empty_set) = all_10_1_3
% 4.75/1.80  	| (45) subset(empty_set, all_0_1_1) = all_10_0_2
% 4.75/1.80  	| (46)  ~ (all_10_0_2 = 0) |  ~ (all_10_1_3 = 0)
% 4.75/1.80  	|
% 4.75/1.80  	| Instantiating formula (15) with all_10_1_3, empty_set, all_0_1_1 and discharging atoms subset(all_0_1_1, empty_set) = all_10_1_3, yields:
% 4.75/1.80  	| (47) all_10_1_3 = 0 |  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & member(v0, all_0_1_1) = 0 & member(v0, empty_set) = v1)
% 4.75/1.80  	|
% 4.75/1.80  	| Instantiating formula (15) with all_10_0_2, all_0_1_1, empty_set and discharging atoms subset(empty_set, all_0_1_1) = all_10_0_2, yields:
% 4.75/1.80  	| (48) all_10_0_2 = 0 |  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & member(v0, all_0_1_1) = v1 & member(v0, empty_set) = 0)
% 4.75/1.80  	|
% 4.75/1.80  	+-Applying beta-rule and splitting (46), into two cases.
% 4.75/1.80  	|-Branch one:
% 4.75/1.80  	| (49)  ~ (all_10_0_2 = 0)
% 4.75/1.80  	|
% 4.75/1.80  		+-Applying beta-rule and splitting (48), into two cases.
% 4.75/1.80  		|-Branch one:
% 4.75/1.80  		| (50) all_10_0_2 = 0
% 4.75/1.80  		|
% 4.75/1.80  			| Equations (50) can reduce 49 to:
% 4.75/1.80  			| (40) $false
% 4.75/1.80  			|
% 4.75/1.80  			|-The branch is then unsatisfiable
% 4.75/1.80  		|-Branch two:
% 4.75/1.80  		| (49)  ~ (all_10_0_2 = 0)
% 4.75/1.80  		| (53)  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & member(v0, all_0_1_1) = v1 & member(v0, empty_set) = 0)
% 4.75/1.81  		|
% 4.75/1.81  			| Instantiating (53) with all_23_0_4, all_23_1_5 yields:
% 4.75/1.81  			| (54)  ~ (all_23_0_4 = 0) & member(all_23_1_5, all_0_1_1) = all_23_0_4 & member(all_23_1_5, empty_set) = 0
% 4.75/1.81  			|
% 4.75/1.81  			| Applying alpha-rule on (54) yields:
% 4.75/1.81  			| (55)  ~ (all_23_0_4 = 0)
% 4.75/1.81  			| (56) member(all_23_1_5, all_0_1_1) = all_23_0_4
% 4.75/1.81  			| (57) member(all_23_1_5, empty_set) = 0
% 4.75/1.81  			|
% 4.75/1.81  			| Instantiating formula (14) with all_23_1_5 and discharging atoms member(all_23_1_5, empty_set) = 0, yields:
% 4.90/1.81  			| (58) $false
% 4.90/1.81  			|
% 4.90/1.81  			|-The branch is then unsatisfiable
% 4.90/1.81  	|-Branch two:
% 4.90/1.81  	| (50) all_10_0_2 = 0
% 4.90/1.81  	| (60)  ~ (all_10_1_3 = 0)
% 4.90/1.81  	|
% 4.90/1.81  		+-Applying beta-rule and splitting (47), into two cases.
% 4.90/1.81  		|-Branch one:
% 4.90/1.81  		| (61) all_10_1_3 = 0
% 4.90/1.81  		|
% 4.90/1.81  			| Equations (61) can reduce 60 to:
% 4.90/1.81  			| (40) $false
% 4.90/1.81  			|
% 4.90/1.81  			|-The branch is then unsatisfiable
% 4.90/1.81  		|-Branch two:
% 4.90/1.81  		| (60)  ~ (all_10_1_3 = 0)
% 4.90/1.81  		| (64)  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & member(v0, all_0_1_1) = 0 & member(v0, empty_set) = v1)
% 4.90/1.81  		|
% 4.90/1.81  			| Instantiating (64) with all_23_0_6, all_23_1_7 yields:
% 4.90/1.81  			| (65)  ~ (all_23_0_6 = 0) & member(all_23_1_7, all_0_1_1) = 0 & member(all_23_1_7, empty_set) = all_23_0_6
% 4.90/1.81  			|
% 4.90/1.81  			| Applying alpha-rule on (65) yields:
% 4.90/1.81  			| (66)  ~ (all_23_0_6 = 0)
% 4.90/1.81  			| (67) member(all_23_1_7, all_0_1_1) = 0
% 4.90/1.81  			| (68) member(all_23_1_7, empty_set) = all_23_0_6
% 4.90/1.81  			|
% 4.90/1.81  			| Instantiating formula (10) with all_0_1_1, empty_set, all_23_1_7 and discharging atoms sum(empty_set) = all_0_1_1, member(all_23_1_7, all_0_1_1) = 0, yields:
% 4.90/1.81  			| (69)  ? [v0] : (member(v0, empty_set) = 0 & member(all_23_1_7, v0) = 0)
% 4.90/1.81  			|
% 4.90/1.81  			| Instantiating (69) with all_38_0_8 yields:
% 4.90/1.81  			| (70) member(all_38_0_8, empty_set) = 0 & member(all_23_1_7, all_38_0_8) = 0
% 4.90/1.81  			|
% 4.90/1.81  			| Applying alpha-rule on (70) yields:
% 4.90/1.81  			| (71) member(all_38_0_8, empty_set) = 0
% 4.90/1.81  			| (72) member(all_23_1_7, all_38_0_8) = 0
% 4.90/1.81  			|
% 4.90/1.81  			| Instantiating formula (14) with all_38_0_8 and discharging atoms member(all_38_0_8, empty_set) = 0, yields:
% 4.90/1.81  			| (58) $false
% 4.90/1.81  			|
% 4.90/1.81  			|-The branch is then unsatisfiable
% 4.90/1.81  % SZS output end Proof for theBenchmark
% 4.90/1.81  
% 4.90/1.81  1205ms
%------------------------------------------------------------------------------