TSTP Solution File: SEU154+2 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SEU154+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n015.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 08:47:03 EDT 2022

% Result   : Theorem 7.30s 2.33s
% Output   : Proof 9.57s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SEU154+2 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.34  % Computer : n015.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 20 03:39:00 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.64          ____       _                          
% 0.19/0.64    ___  / __ \_____(_)___  ________  __________
% 0.19/0.64   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.19/0.64  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.19/0.64  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.19/0.64  
% 0.19/0.64  A Theorem Prover for First-Order Logic
% 0.19/0.64  (ePrincess v.1.0)
% 0.19/0.64  
% 0.19/0.64  (c) Philipp Rümmer, 2009-2015
% 0.19/0.64  (c) Peter Backeman, 2014-2015
% 0.19/0.64  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.19/0.64  Free software under GNU Lesser General Public License (LGPL).
% 0.19/0.64  Bug reports to peter@backeman.se
% 0.19/0.64  
% 0.19/0.64  For more information, visit http://user.uu.se/~petba168/breu/
% 0.19/0.64  
% 0.19/0.64  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.19/0.69  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.72/1.05  Prover 0: Preprocessing ...
% 3.33/1.46  Prover 0: Warning: ignoring some quantifiers
% 3.33/1.48  Prover 0: Constructing countermodel ...
% 5.59/1.93  Prover 0: gave up
% 5.59/1.94  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 5.85/2.03  Prover 1: Preprocessing ...
% 6.92/2.27  Prover 1: Warning: ignoring some quantifiers
% 6.92/2.27  Prover 1: Constructing countermodel ...
% 7.30/2.33  Prover 1: proved (398ms)
% 7.30/2.33  
% 7.30/2.33  No countermodel exists, formula is valid
% 7.30/2.33  % SZS status Theorem for theBenchmark
% 7.30/2.34  
% 7.30/2.34  Generating proof ... Warning: ignoring some quantifiers
% 8.61/2.69  found it (size 24)
% 8.61/2.69  
% 8.61/2.69  % SZS output start Proof for theBenchmark
% 8.61/2.69  Assumed formulas after preprocessing and simplification: 
% 8.61/2.69  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] :  ? [v8] : ( ~ (v7 = 0) &  ~ (v5 = 0) &  ~ (v3 = 0) & empty(v8) = 0 & empty(v6) = v7 & empty(empty_set) = 0 & disjoint(v4, v2) = v5 & powerset(empty_set) = v0 & singleton(v1) = v4 & singleton(empty_set) = v0 & in(v1, v2) = v3 &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] :  ! [v14] : (v14 = 0 |  ~ (set_difference(v10, v12) = v13) |  ~ (singleton(v11) = v12) |  ~ (subset(v9, v13) = v14) |  ? [v15] :  ? [v16] : (subset(v9, v10) = v15 & in(v11, v9) = v16 & ( ~ (v15 = 0) | v16 = 0))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] :  ! [v14] : (v14 = 0 |  ~ (set_difference(v10, v11) = v13) |  ~ (set_difference(v9, v11) = v12) |  ~ (subset(v12, v13) = v14) |  ? [v15] : ( ~ (v15 = 0) & subset(v9, v10) = v15)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] :  ! [v14] : (v14 = 0 |  ~ (subset(v12, v13) = v14) |  ~ (set_intersection2(v10, v11) = v13) |  ~ (set_intersection2(v9, v11) = v12) |  ? [v15] : ( ~ (v15 = 0) & subset(v9, v10) = v15)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v13 = 0 |  ~ (subset(v12, v10) = v13) |  ~ (set_union2(v9, v11) = v12) |  ? [v14] :  ? [v15] : (subset(v11, v10) = v15 & subset(v9, v10) = v14 & ( ~ (v15 = 0) |  ~ (v14 = 0)))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v13 = 0 |  ~ (subset(v9, v12) = v13) |  ~ (set_intersection2(v10, v11) = v12) |  ? [v14] :  ? [v15] : (subset(v9, v11) = v15 & subset(v9, v10) = v14 & ( ~ (v15 = 0) |  ~ (v14 = 0)))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v13 = 0 |  ~ (set_union2(v9, v10) = v11) |  ~ (in(v12, v9) = v13) |  ? [v14] :  ? [v15] : (in(v12, v11) = v14 & in(v12, v10) = v15 & ( ~ (v14 = 0) | v15 = 0))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v12 = v9 | v11 = v9 |  ~ (unordered_pair(v11, v12) = v13) |  ~ (unordered_pair(v9, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : ( ~ (set_difference(v9, v10) = v11) |  ~ (in(v12, v9) = v13) |  ? [v14] :  ? [v15] : (in(v12, v11) = v14 & in(v12, v10) = v15 & ( ~ (v14 = 0) | (v13 = 0 &  ~ (v15 = 0))))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : ( ~ (set_intersection2(v9, v10) = v11) |  ~ (in(v12, v9) = v13) |  ? [v14] :  ? [v15] : (in(v12, v11) = v14 & in(v12, v10) = v15 & ( ~ (v14 = 0) | (v15 = 0 & v13 = 0)))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : ( ~ (set_union2(v9, v10) = v11) |  ~ (in(v12, v9) = v13) |  ? [v14] :  ? [v15] : (in(v12, v11) = v15 & in(v12, v10) = v14 & (v15 = 0 | ( ~ (v14 = 0) &  ~ (v13 = 0))))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v10 | v12 = v9 |  ~ (unordered_pair(v9, v10) = v11) |  ~ (in(v12, v11) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v10 |  ~ (set_difference(v10, v9) = v11) |  ~ (set_union2(v9, v11) = v12) |  ? [v13] : ( ~ (v13 = 0) & subset(v9, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v10 |  ~ (singleton(v9) = v11) |  ~ (set_union2(v11, v10) = v12) |  ? [v13] : ( ~ (v13 = 0) & in(v9, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (disjoint(v10, v11) = 0) |  ~ (disjoint(v9, v11) = v12) |  ? [v13] : ( ~ (v13 = 0) & subset(v9, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (set_difference(v9, v10) = v11) |  ~ (subset(v11, v9) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (powerset(v9) = v10) |  ~ (subset(v11, v9) = v12) |  ? [v13] : ( ~ (v13 = 0) & in(v11, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (singleton(v9) = v11) |  ~ (subset(v11, v10) = v12) |  ? [v13] : ( ~ (v13 = 0) & in(v9, v10) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (subset(v11, v9) = v12) |  ~ (set_intersection2(v9, v10) = v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (subset(v9, v11) = v12) |  ~ (subset(v9, v10) = 0) |  ? [v13] : ( ~ (v13 = 0) & subset(v10, v11) = v13)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (subset(v9, v11) = v12) |  ~ (set_union2(v9, v10) = v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (unordered_pair(v9, v10) = v11) |  ~ (in(v10, v11) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = 0 |  ~ (unordered_pair(v9, v10) = v11) |  ~ (in(v9, v11) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v11 = v10 |  ~ (singleton(v9) = v12) |  ~ (unordered_pair(v10, v11) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (disjoint(v12, v11) = v10) |  ~ (disjoint(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (set_difference(v12, v11) = v10) |  ~ (set_difference(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (singleton(v10) = v12) |  ~ (singleton(v9) = v11) |  ~ (subset(v11, v12) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (singleton(v9) = v12) |  ~ (unordered_pair(v10, v11) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (subset(v12, v11) = v10) |  ~ (subset(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (set_intersection2(v12, v11) = v10) |  ~ (set_intersection2(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (set_union2(v12, v11) = v10) |  ~ (set_union2(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (unordered_pair(v12, v11) = v10) |  ~ (unordered_pair(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (proper_subset(v12, v11) = v10) |  ~ (proper_subset(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (in(v12, v11) = v10) |  ~ (in(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v11, v10) = v12) |  ~ (set_union2(v9, v10) = v11) | set_difference(v9, v10) = v12) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v10, v9) = v11) |  ~ (set_union2(v9, v11) = v12) | set_union2(v9, v10) = v12) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v9, v11) = v12) |  ~ (set_difference(v9, v10) = v11) | set_intersection2(v9, v10) = v12) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v9, v10) = v11) |  ~ (in(v12, v9) = 0) |  ? [v13] :  ? [v14] : (in(v12, v11) = v14 & in(v12, v10) = v13 & (v14 = 0 | v13 = 0))) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_intersection2(v9, v10) = v11) |  ~ (in(v12, v9) = 0) |  ? [v13] :  ? [v14] : (in(v12, v11) = v14 & in(v12, v10) = v13 & ( ~ (v13 = 0) | v14 = 0))) &  ? [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v9 |  ~ (set_difference(v10, v11) = v12) |  ? [v13] :  ? [v14] :  ? [v15] :  ? [v16] : (in(v13, v11) = v16 & in(v13, v10) = v15 & in(v13, v9) = v14 & ( ~ (v15 = 0) |  ~ (v14 = 0) | v16 = 0) & (v14 = 0 | (v15 = 0 &  ~ (v16 = 0))))) &  ? [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v9 |  ~ (set_intersection2(v10, v11) = v12) |  ? [v13] :  ? [v14] :  ? [v15] :  ? [v16] : (in(v13, v11) = v16 & in(v13, v10) = v15 & in(v13, v9) = v14 & ( ~ (v16 = 0) |  ~ (v15 = 0) |  ~ (v14 = 0)) & (v14 = 0 | (v16 = 0 & v15 = 0)))) &  ? [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v9 |  ~ (set_union2(v10, v11) = v12) |  ? [v13] :  ? [v14] :  ? [v15] :  ? [v16] : (in(v13, v11) = v16 & in(v13, v10) = v15 & in(v13, v9) = v14 & ( ~ (v14 = 0) | ( ~ (v16 = 0) &  ~ (v15 = 0))) & (v16 = 0 | v15 = 0 | v14 = 0))) &  ? [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v12 = v9 |  ~ (unordered_pair(v10, v11) = v12) |  ? [v13] :  ? [v14] : (in(v13, v9) = v14 & ( ~ (v14 = 0) | ( ~ (v13 = v11) &  ~ (v13 = v10))) & (v14 = 0 | v13 = v11 | v13 = v10))) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = v10 |  ~ (set_union2(v9, v10) = v11) |  ? [v12] : ( ~ (v12 = 0) & subset(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = v9 | v9 = empty_set |  ~ (singleton(v10) = v11) |  ~ (subset(v9, v11) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = v9 |  ~ (singleton(v9) = v10) |  ~ (in(v11, v10) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = v9 |  ~ (set_intersection2(v9, v10) = v11) |  ? [v12] : ( ~ (v12 = 0) & subset(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = empty_set |  ~ (set_difference(v9, v10) = v11) |  ? [v12] : ( ~ (v12 = 0) & subset(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 | v10 = v9 |  ~ (proper_subset(v9, v10) = v11) |  ? [v12] : ( ~ (v12 = 0) & subset(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (disjoint(v9, v10) = v11) |  ? [v12] :  ? [v13] : (set_intersection2(v9, v10) = v12 & in(v13, v12) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (disjoint(v9, v10) = v11) |  ? [v12] : ( ~ (v12 = v9) & set_difference(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (disjoint(v9, v10) = v11) |  ? [v12] : ( ~ (v12 = empty_set) & set_intersection2(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (disjoint(v9, v10) = v11) |  ? [v12] : (in(v12, v10) = 0 & in(v12, v9) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (singleton(v10) = v9) |  ~ (subset(v9, v9) = v11)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (singleton(v9) = v10) |  ~ (subset(empty_set, v10) = v11)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (singleton(v9) = v10) |  ~ (in(v9, v10) = v11)) &  ! [v9] :  ! [v10] :  ! [v11] : (v11 = 0 |  ~ (subset(v9, v10) = v11) |  ? [v12] :  ? [v13] : ( ~ (v13 = 0) & in(v12, v10) = v13 & in(v12, v9) = 0)) &  ! [v9] :  ! [v10] :  ! [v11] : (v10 = v9 |  ~ (empty(v11) = v10) |  ~ (empty(v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] : (v10 = v9 |  ~ (powerset(v11) = v10) |  ~ (powerset(v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] : (v10 = v9 |  ~ (singleton(v11) = v10) |  ~ (singleton(v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (disjoint(v11, v10) = 0) |  ~ (singleton(v9) = v11) |  ? [v12] : ( ~ (v12 = 0) & in(v9, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (disjoint(v9, v10) = 0) |  ~ (in(v11, v9) = 0) |  ? [v12] : ( ~ (v12 = 0) & in(v11, v10) = v12)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (powerset(v9) = v10) |  ~ (subset(v11, v9) = 0) | in(v11, v10) = 0) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (singleton(v9) = v11) |  ~ (subset(v11, v10) = 0) | in(v9, v10) = 0) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (subset(v9, v10) = 0) |  ~ (in(v11, v9) = 0) | in(v11, v10) = 0) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (set_intersection2(v9, v10) = v11) | set_intersection2(v10, v9) = v11) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (set_union2(v10, v9) = v11) |  ? [v12] :  ? [v13] : (empty(v11) = v13 & empty(v9) = v12 & ( ~ (v13 = 0) | v12 = 0))) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (set_union2(v9, v10) = v11) | set_union2(v10, v9) = v11) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (set_union2(v9, v10) = v11) |  ? [v12] :  ? [v13] : (empty(v11) = v13 & empty(v9) = v12 & ( ~ (v13 = 0) | v12 = 0))) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v9, v10) = v11) | unordered_pair(v10, v9) = v11) &  ? [v9] :  ! [v10] :  ! [v11] : (v11 = v9 |  ~ (powerset(v10) = v11) |  ? [v12] :  ? [v13] :  ? [v14] : (subset(v12, v10) = v14 & in(v12, v9) = v13 & ( ~ (v14 = 0) |  ~ (v13 = 0)) & (v14 = 0 | v13 = 0))) &  ? [v9] :  ! [v10] :  ! [v11] : (v11 = v9 |  ~ (singleton(v10) = v11) |  ? [v12] :  ? [v13] : (in(v12, v9) = v13 & ( ~ (v13 = 0) |  ~ (v12 = v10)) & (v13 = 0 | v12 = v10))) &  ! [v9] :  ! [v10] : (v10 = v9 |  ~ (empty(v10) = 0) |  ~ (empty(v9) = 0)) &  ! [v9] :  ! [v10] : (v10 = v9 |  ~ (set_difference(v9, empty_set) = v10)) &  ! [v9] :  ! [v10] : (v10 = v9 |  ~ (subset(v9, v10) = 0) |  ? [v11] : ( ~ (v11 = 0) & subset(v10, v9) = v11)) &  ! [v9] :  ! [v10] : (v10 = v9 |  ~ (set_intersection2(v9, v9) = v10)) &  ! [v9] :  ! [v10] : (v10 = v9 |  ~ (set_union2(v9, v9) = v10)) &  ! [v9] :  ! [v10] : (v10 = v9 |  ~ (set_union2(v9, empty_set) = v10)) &  ! [v9] :  ! [v10] : (v10 = empty_set |  ~ (set_difference(empty_set, v9) = v10)) &  ! [v9] :  ! [v10] : (v10 = empty_set |  ~ (set_intersection2(v9, empty_set) = v10)) &  ! [v9] :  ! [v10] : (v10 = 0 |  ~ (subset(v9, v9) = v10)) &  ! [v9] :  ! [v10] : (v10 = 0 |  ~ (subset(empty_set, v9) = v10)) &  ! [v9] :  ! [v10] : ( ~ (disjoint(v9, v10) = 0) | disjoint(v10, v9) = 0) &  ! [v9] :  ! [v10] : ( ~ (disjoint(v9, v10) = 0) | set_difference(v9, v10) = v9) &  ! [v9] :  ! [v10] : ( ~ (disjoint(v9, v10) = 0) | set_intersection2(v9, v10) = empty_set) &  ! [v9] :  ! [v10] : ( ~ (disjoint(v9, v10) = 0) |  ? [v11] : (set_intersection2(v9, v10) = v11 &  ! [v12] :  ~ (in(v12, v11) = 0))) &  ! [v9] :  ! [v10] : ( ~ (set_difference(v9, v10) = empty_set) | subset(v9, v10) = 0) &  ! [v9] :  ! [v10] : ( ~ (unordered_pair(v9, v9) = v10) | singleton(v9) = v10) &  ! [v9] :  ! [v10] : ( ~ (proper_subset(v10, v9) = 0) |  ? [v11] : ( ~ (v11 = 0) & subset(v9, v10) = v11)) &  ! [v9] :  ! [v10] : ( ~ (proper_subset(v9, v10) = 0) | subset(v9, v10) = 0) &  ! [v9] :  ! [v10] : ( ~ (proper_subset(v9, v10) = 0) |  ? [v11] : ( ~ (v11 = 0) & proper_subset(v10, v9) = v11)) &  ! [v9] :  ! [v10] : ( ~ (in(v9, v10) = 0) |  ? [v11] : ( ~ (v11 = 0) & empty(v10) = v11)) &  ! [v9] :  ! [v10] : ( ~ (in(v9, v10) = 0) |  ? [v11] : ( ~ (v11 = 0) & in(v10, v9) = v11)) &  ! [v9] : (v9 = empty_set |  ~ (empty(v9) = 0)) &  ! [v9] : (v9 = empty_set |  ~ (subset(v9, empty_set) = 0)) &  ! [v9] :  ~ (singleton(v9) = empty_set) &  ! [v9] :  ~ (proper_subset(v9, v9) = 0) &  ! [v9] :  ~ (in(v9, empty_set) = 0) &  ? [v9] :  ? [v10] : (v10 = v9 |  ? [v11] :  ? [v12] :  ? [v13] : (in(v11, v10) = v13 & in(v11, v9) = v12 & ( ~ (v13 = 0) |  ~ (v12 = 0)) & (v13 = 0 | v12 = 0))) &  ? [v9] : (v9 = empty_set |  ? [v10] : in(v10, v9) = 0))
% 8.98/2.75  | 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, all_0_8_8 yields:
% 8.98/2.75  | (1)  ~ (all_0_1_1 = 0) &  ~ (all_0_3_3 = 0) &  ~ (all_0_5_5 = 0) & empty(all_0_0_0) = 0 & empty(all_0_2_2) = all_0_1_1 & empty(empty_set) = 0 & disjoint(all_0_4_4, all_0_6_6) = all_0_3_3 & powerset(empty_set) = all_0_8_8 & singleton(all_0_7_7) = all_0_4_4 & singleton(empty_set) = all_0_8_8 & in(all_0_7_7, all_0_6_6) = all_0_5_5 &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (set_difference(v1, v3) = v4) |  ~ (singleton(v2) = v3) |  ~ (subset(v0, v4) = v5) |  ? [v6] :  ? [v7] : (subset(v0, v1) = v6 & in(v2, v0) = v7 & ( ~ (v6 = 0) | v7 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (set_difference(v1, v2) = v4) |  ~ (set_difference(v0, v2) = v3) |  ~ (subset(v3, v4) = v5) |  ? [v6] : ( ~ (v6 = 0) & subset(v0, v1) = v6)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (subset(v3, v4) = v5) |  ~ (set_intersection2(v1, v2) = v4) |  ~ (set_intersection2(v0, v2) = v3) |  ? [v6] : ( ~ (v6 = 0) & subset(v0, v1) = v6)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (subset(v3, v1) = v4) |  ~ (set_union2(v0, v2) = v3) |  ? [v5] :  ? [v6] : (subset(v2, v1) = v6 & subset(v0, v1) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0)))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (subset(v0, v3) = v4) |  ~ (set_intersection2(v1, v2) = v3) |  ? [v5] :  ? [v6] : (subset(v0, v2) = v6 & subset(v0, v1) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0)))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (set_union2(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v5 & in(v3, v1) = v6 & ( ~ (v5 = 0) | v6 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v0 | v2 = v0 |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v5 & in(v3, v1) = v6 & ( ~ (v5 = 0) | (v4 = 0 &  ~ (v6 = 0))))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_intersection2(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v5 & in(v3, v1) = v6 & ( ~ (v5 = 0) | (v6 = 0 & v4 = 0)))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_union2(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v6 & in(v3, v1) = v5 & (v6 = 0 | ( ~ (v5 = 0) &  ~ (v4 = 0))))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 | v3 = v0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (in(v3, v2) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 |  ~ (set_difference(v1, v0) = v2) |  ~ (set_union2(v0, v2) = v3) |  ? [v4] : ( ~ (v4 = 0) & subset(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 |  ~ (singleton(v0) = v2) |  ~ (set_union2(v2, v1) = v3) |  ? [v4] : ( ~ (v4 = 0) & in(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (disjoint(v1, v2) = 0) |  ~ (disjoint(v0, v2) = v3) |  ? [v4] : ( ~ (v4 = 0) & subset(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (set_difference(v0, v1) = v2) |  ~ (subset(v2, v0) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (powerset(v0) = v1) |  ~ (subset(v2, v0) = v3) |  ? [v4] : ( ~ (v4 = 0) & in(v2, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (singleton(v0) = v2) |  ~ (subset(v2, v1) = v3) |  ? [v4] : ( ~ (v4 = 0) & in(v0, v1) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v2, v0) = v3) |  ~ (set_intersection2(v0, v1) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v0, v2) = v3) |  ~ (subset(v0, v1) = 0) |  ? [v4] : ( ~ (v4 = 0) & subset(v1, v2) = v4)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v0, v2) = v3) |  ~ (set_union2(v0, v1) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (in(v1, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (in(v0, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (singleton(v0) = v3) |  ~ (unordered_pair(v1, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (disjoint(v3, v2) = v1) |  ~ (disjoint(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (singleton(v1) = v3) |  ~ (singleton(v0) = v2) |  ~ (subset(v2, v3) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (singleton(v0) = v3) |  ~ (unordered_pair(v1, v2) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (subset(v3, v2) = v1) |  ~ (subset(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_intersection2(v3, v2) = v1) |  ~ (set_intersection2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (proper_subset(v3, v2) = v1) |  ~ (proper_subset(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (in(v3, v2) = v1) |  ~ (in(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (set_union2(v0, v1) = v2) | set_difference(v0, v1) = v3) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v1, v0) = v2) |  ~ (set_union2(v0, v2) = v3) | set_union2(v0, v1) = v3) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v0, v2) = v3) |  ~ (set_difference(v0, v1) = v2) | set_intersection2(v0, v1) = v3) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v0, v1) = v2) |  ~ (in(v3, v0) = 0) |  ? [v4] :  ? [v5] : (in(v3, v2) = v5 & in(v3, v1) = v4 & (v5 = 0 | v4 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_intersection2(v0, v1) = v2) |  ~ (in(v3, v0) = 0) |  ? [v4] :  ? [v5] : (in(v3, v2) = v5 & in(v3, v1) = v4 & ( ~ (v4 = 0) | v5 = 0))) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_difference(v1, v2) = v3) |  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (in(v4, v2) = v7 & in(v4, v1) = v6 & in(v4, v0) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0) | v7 = 0) & (v5 = 0 | (v6 = 0 &  ~ (v7 = 0))))) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_intersection2(v1, v2) = v3) |  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (in(v4, v2) = v7 & in(v4, v1) = v6 & in(v4, v0) = v5 & ( ~ (v7 = 0) |  ~ (v6 = 0) |  ~ (v5 = 0)) & (v5 = 0 | (v7 = 0 & v6 = 0)))) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_union2(v1, v2) = v3) |  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (in(v4, v2) = v7 & in(v4, v1) = v6 & in(v4, v0) = v5 & ( ~ (v5 = 0) | ( ~ (v7 = 0) &  ~ (v6 = 0))) & (v7 = 0 | v6 = 0 | v5 = 0))) &  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (unordered_pair(v1, v2) = v3) |  ? [v4] :  ? [v5] : (in(v4, v0) = v5 & ( ~ (v5 = 0) | ( ~ (v4 = v2) &  ~ (v4 = v1))) & (v5 = 0 | v4 = v2 | v4 = v1))) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v1 |  ~ (set_union2(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 | v0 = empty_set |  ~ (singleton(v1) = v2) |  ~ (subset(v0, v2) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v0) = v1) |  ~ (in(v2, v1) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (set_intersection2(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = empty_set |  ~ (set_difference(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 | v1 = v0 |  ~ (proper_subset(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] :  ? [v4] : (set_intersection2(v0, v1) = v3 & in(v4, v3) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = v0) & set_difference(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = empty_set) & set_intersection2(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] : (in(v3, v1) = 0 & in(v3, v0) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v1) = v0) |  ~ (subset(v0, v0) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v0) = v1) |  ~ (subset(empty_set, v1) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v0) = v1) |  ~ (in(v0, v1) = v2)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (subset(v0, v1) = v2) |  ? [v3] :  ? [v4] : ( ~ (v4 = 0) & in(v3, v1) = v4 & in(v3, v0) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (empty(v2) = v1) |  ~ (empty(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (powerset(v2) = v1) |  ~ (powerset(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (disjoint(v2, v1) = 0) |  ~ (singleton(v0) = v2) |  ? [v3] : ( ~ (v3 = 0) & in(v0, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (disjoint(v0, v1) = 0) |  ~ (in(v2, v0) = 0) |  ? [v3] : ( ~ (v3 = 0) & in(v2, v1) = v3)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (powerset(v0) = v1) |  ~ (subset(v2, v0) = 0) | in(v2, v1) = 0) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v0) = v2) |  ~ (subset(v2, v1) = 0) | in(v0, v1) = 0) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (subset(v0, v1) = 0) |  ~ (in(v2, v0) = 0) | in(v2, v1) = 0) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_intersection2(v0, v1) = v2) | set_intersection2(v1, v0) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ? [v3] :  ? [v4] : (empty(v2) = v4 & empty(v0) = v3 & ( ~ (v4 = 0) | v3 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ? [v3] :  ? [v4] : (empty(v2) = v4 & empty(v0) = v3 & ( ~ (v4 = 0) | v3 = 0))) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (powerset(v1) = v2) |  ? [v3] :  ? [v4] :  ? [v5] : (subset(v3, v1) = v5 & in(v3, v0) = v4 & ( ~ (v5 = 0) |  ~ (v4 = 0)) & (v5 = 0 | v4 = 0))) &  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v1) = v2) |  ? [v3] :  ? [v4] : (in(v3, v0) = v4 & ( ~ (v4 = 0) |  ~ (v3 = v1)) & (v4 = 0 | v3 = v1))) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (empty(v1) = 0) |  ~ (empty(v0) = 0)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_difference(v0, empty_set) = v1)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (subset(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & subset(v1, v0) = v2)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_intersection2(v0, v0) = v1)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1)) &  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, empty_set) = v1)) &  ! [v0] :  ! [v1] : (v1 = empty_set |  ~ (set_difference(empty_set, v0) = v1)) &  ! [v0] :  ! [v1] : (v1 = empty_set |  ~ (set_intersection2(v0, empty_set) = v1)) &  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (subset(v0, v0) = v1)) &  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (subset(empty_set, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) | disjoint(v1, v0) = 0) &  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) | set_difference(v0, v1) = v0) &  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) | set_intersection2(v0, v1) = empty_set) &  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) |  ? [v2] : (set_intersection2(v0, v1) = v2 &  ! [v3] :  ~ (in(v3, v2) = 0))) &  ! [v0] :  ! [v1] : ( ~ (set_difference(v0, v1) = empty_set) | subset(v0, v1) = 0) &  ! [v0] :  ! [v1] : ( ~ (unordered_pair(v0, v0) = v1) | singleton(v0) = v1) &  ! [v0] :  ! [v1] : ( ~ (proper_subset(v1, v0) = 0) |  ? [v2] : ( ~ (v2 = 0) & subset(v0, v1) = v2)) &  ! [v0] :  ! [v1] : ( ~ (proper_subset(v0, v1) = 0) | subset(v0, v1) = 0) &  ! [v0] :  ! [v1] : ( ~ (proper_subset(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & proper_subset(v1, v0) = v2)) &  ! [v0] :  ! [v1] : ( ~ (in(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & empty(v1) = v2)) &  ! [v0] :  ! [v1] : ( ~ (in(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & in(v1, v0) = v2)) &  ! [v0] : (v0 = empty_set |  ~ (empty(v0) = 0)) &  ! [v0] : (v0 = empty_set |  ~ (subset(v0, empty_set) = 0)) &  ! [v0] :  ~ (singleton(v0) = empty_set) &  ! [v0] :  ~ (proper_subset(v0, v0) = 0) &  ! [v0] :  ~ (in(v0, empty_set) = 0) &  ? [v0] :  ? [v1] : (v1 = v0 |  ? [v2] :  ? [v3] :  ? [v4] : (in(v2, v1) = v4 & in(v2, v0) = v3 & ( ~ (v4 = 0) |  ~ (v3 = 0)) & (v4 = 0 | v3 = 0))) &  ? [v0] : (v0 = empty_set |  ? [v1] : in(v1, v0) = 0)
% 8.98/2.77  |
% 8.98/2.77  | Applying alpha-rule on (1) yields:
% 8.98/2.77  | (2)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v0) = v1) |  ~ (in(v0, v1) = v2))
% 8.98/2.77  | (3)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v0, v2) = v3) |  ~ (set_difference(v0, v1) = v2) | set_intersection2(v0, v1) = v3)
% 8.98/2.77  | (4)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v1) = v0) |  ~ (subset(v0, v0) = v2))
% 8.98/2.77  | (5)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (subset(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & subset(v1, v0) = v2))
% 8.98/2.77  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v5 & in(v3, v1) = v6 & ( ~ (v5 = 0) | (v4 = 0 &  ~ (v6 = 0)))))
% 8.98/2.77  | (7)  ~ (all_0_5_5 = 0)
% 8.98/2.77  | (8) powerset(empty_set) = all_0_8_8
% 8.98/2.77  | (9)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 | v0 = empty_set |  ~ (singleton(v1) = v2) |  ~ (subset(v0, v2) = 0))
% 8.98/2.77  | (10)  ! [v0] : (v0 = empty_set |  ~ (subset(v0, empty_set) = 0))
% 8.98/2.77  | (11)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v1 |  ~ (set_union2(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3))
% 8.98/2.77  | (12)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (disjoint(v2, v1) = 0) |  ~ (singleton(v0) = v2) |  ? [v3] : ( ~ (v3 = 0) & in(v0, v1) = v3))
% 8.98/2.77  | (13)  ! [v0] : (v0 = empty_set |  ~ (empty(v0) = 0))
% 8.98/2.77  | (14)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (set_difference(v0, v1) = v2) |  ~ (subset(v2, v0) = v3))
% 8.98/2.77  | (15)  ? [v0] :  ? [v1] : (v1 = v0 |  ? [v2] :  ? [v3] :  ? [v4] : (in(v2, v1) = v4 & in(v2, v0) = v3 & ( ~ (v4 = 0) |  ~ (v3 = 0)) & (v4 = 0 | v3 = 0)))
% 8.98/2.77  | (16)  ? [v0] : (v0 = empty_set |  ? [v1] : in(v1, v0) = 0)
% 8.98/2.77  | (17)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (singleton(v0) = v1) |  ~ (subset(empty_set, v1) = v2))
% 8.98/2.77  | (18) singleton(all_0_7_7) = all_0_4_4
% 8.98/2.77  | (19)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (singleton(v0) = v2) |  ~ (subset(v2, v1) = v3) |  ? [v4] : ( ~ (v4 = 0) & in(v0, v1) = v4))
% 8.98/2.78  | (20)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (in(v3, v2) = v1) |  ~ (in(v3, v2) = v0))
% 8.98/2.78  | (21)  ! [v0] :  ! [v1] : ( ~ (proper_subset(v0, v1) = 0) | subset(v0, v1) = 0)
% 8.98/2.78  | (22)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, v0) = v1))
% 8.98/2.78  | (23)  ! [v0] :  ! [v1] : ( ~ (unordered_pair(v0, v0) = v1) | singleton(v0) = v1)
% 8.98/2.78  | (24)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) | set_union2(v1, v0) = v2)
% 8.98/2.78  | (25)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_difference(v1, v2) = v3) |  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (in(v4, v2) = v7 & in(v4, v1) = v6 & in(v4, v0) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0) | v7 = 0) & (v5 = 0 | (v6 = 0 &  ~ (v7 = 0)))))
% 8.98/2.78  | (26)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_intersection2(v0, v0) = v1))
% 8.98/2.78  | (27)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v1, v0) = v2) |  ? [v3] :  ? [v4] : (empty(v2) = v4 & empty(v0) = v3 & ( ~ (v4 = 0) | v3 = 0)))
% 8.98/2.78  | (28)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_union2(v3, v2) = v1) |  ~ (set_union2(v3, v2) = v0))
% 9.38/2.78  | (29)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (proper_subset(v3, v2) = v1) |  ~ (proper_subset(v3, v2) = v0))
% 9.38/2.78  | (30)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 9.38/2.78  | (31)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_intersection2(v1, v2) = v3) |  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (in(v4, v2) = v7 & in(v4, v1) = v6 & in(v4, v0) = v5 & ( ~ (v7 = 0) |  ~ (v6 = 0) |  ~ (v5 = 0)) & (v5 = 0 | (v7 = 0 & v6 = 0))))
% 9.38/2.78  | (32)  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (subset(empty_set, v0) = v1))
% 9.38/2.78  | (33)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 | v3 = v0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (in(v3, v2) = 0))
% 9.38/2.78  | (34)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_union2(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v6 & in(v3, v1) = v5 & (v6 = 0 | ( ~ (v5 = 0) &  ~ (v4 = 0)))))
% 9.38/2.78  | (35)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_intersection2(v3, v2) = v1) |  ~ (set_intersection2(v3, v2) = v0))
% 9.38/2.78  | (36)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v0 | v2 = v0 |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v4))
% 9.38/2.78  | (37)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (set_difference(v1, v2) = v4) |  ~ (set_difference(v0, v2) = v3) |  ~ (subset(v3, v4) = v5) |  ? [v6] : ( ~ (v6 = 0) & subset(v0, v1) = v6))
% 9.38/2.78  | (38)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (subset(v0, v3) = v4) |  ~ (set_intersection2(v1, v2) = v3) |  ? [v5] :  ? [v6] : (subset(v0, v2) = v6 & subset(v0, v1) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0))))
% 9.38/2.79  | (39)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_intersection2(v0, v1) = v2) | set_intersection2(v1, v0) = v2)
% 9.38/2.79  | (40)  ! [v0] :  ~ (proper_subset(v0, v0) = 0)
% 9.38/2.79  | (41)  ~ (all_0_1_1 = 0)
% 9.38/2.79  | (42)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (set_union2(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v5 & in(v3, v1) = v6 & ( ~ (v5 = 0) | v6 = 0)))
% 9.38/2.79  | (43)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v0) = v2) |  ~ (subset(v2, v1) = 0) | in(v0, v1) = 0)
% 9.38/2.79  | (44)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (set_difference(v1, v3) = v4) |  ~ (singleton(v2) = v3) |  ~ (subset(v0, v4) = v5) |  ? [v6] :  ? [v7] : (subset(v0, v1) = v6 & in(v2, v0) = v7 & ( ~ (v6 = 0) | v7 = 0)))
% 9.38/2.79  | (45) empty(all_0_0_0) = 0
% 9.38/2.79  | (46)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v2, v0) = v3) |  ~ (set_intersection2(v0, v1) = v2))
% 9.38/2.79  | (47)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v0, v1) = v2) |  ~ (in(v3, v0) = 0) |  ? [v4] :  ? [v5] : (in(v3, v2) = v5 & in(v3, v1) = v4 & (v5 = 0 | v4 = 0)))
% 9.38/2.79  | (48)  ! [v0] :  ~ (in(v0, empty_set) = 0)
% 9.38/2.79  | (49)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (disjoint(v3, v2) = v1) |  ~ (disjoint(v3, v2) = v0))
% 9.38/2.79  | (50)  ! [v0] :  ! [v1] : (v1 = empty_set |  ~ (set_intersection2(v0, empty_set) = v1))
% 9.38/2.79  | (51)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0))
% 9.38/2.79  | (52)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v5 = 0 |  ~ (subset(v3, v4) = v5) |  ~ (set_intersection2(v1, v2) = v4) |  ~ (set_intersection2(v0, v2) = v3) |  ? [v6] : ( ~ (v6 = 0) & subset(v0, v1) = v6))
% 9.38/2.79  | (53)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (set_union2(v1, v2) = v3) |  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] : (in(v4, v2) = v7 & in(v4, v1) = v6 & in(v4, v0) = v5 & ( ~ (v5 = 0) | ( ~ (v7 = 0) &  ~ (v6 = 0))) & (v7 = 0 | v6 = 0 | v5 = 0)))
% 9.38/2.79  | (54)  ! [v0] :  ! [v1] : ( ~ (in(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & empty(v1) = v2))
% 9.38/2.79  | (55)  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v1) = v2) |  ? [v3] :  ? [v4] : (in(v3, v0) = v4 & ( ~ (v4 = 0) |  ~ (v3 = v1)) & (v4 = 0 | v3 = v1)))
% 9.38/2.79  | (56)  ~ (all_0_3_3 = 0)
% 9.38/2.79  | (57)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (subset(v3, v1) = v4) |  ~ (set_union2(v0, v2) = v3) |  ? [v5] :  ? [v6] : (subset(v2, v1) = v6 & subset(v0, v1) = v5 & ( ~ (v6 = 0) |  ~ (v5 = 0))))
% 9.38/2.79  | (58)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v1, v0) = v2) |  ~ (set_union2(v0, v2) = v3) | set_union2(v0, v1) = v3)
% 9.38/2.79  | (59)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (empty(v2) = v1) |  ~ (empty(v2) = v0))
% 9.38/2.79  | (60)  ? [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (powerset(v1) = v2) |  ? [v3] :  ? [v4] :  ? [v5] : (subset(v3, v1) = v5 & in(v3, v0) = v4 & ( ~ (v5 = 0) |  ~ (v4 = 0)) & (v5 = 0 | v4 = 0)))
% 9.38/2.79  | (61)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (disjoint(v1, v2) = 0) |  ~ (disjoint(v0, v2) = v3) |  ? [v4] : ( ~ (v4 = 0) & subset(v0, v1) = v4))
% 9.45/2.79  | (62)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] : (in(v3, v1) = 0 & in(v3, v0) = 0))
% 9.45/2.80  | (63)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v0, v2) = v3) |  ~ (subset(v0, v1) = 0) |  ? [v4] : ( ~ (v4 = 0) & subset(v1, v2) = v4))
% 9.45/2.80  | (64)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (singleton(v0) = v3) |  ~ (unordered_pair(v1, v2) = v3))
% 9.45/2.80  | (65)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 |  ~ (singleton(v0) = v2) |  ~ (set_union2(v2, v1) = v3) |  ? [v4] : ( ~ (v4 = 0) & in(v0, v1) = v4))
% 9.45/2.80  | (66)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_intersection2(v0, v1) = v2) |  ~ (in(v3, v0) = 0) |  ? [v4] :  ? [v5] : (in(v3, v2) = v5 & in(v3, v1) = v4 & ( ~ (v4 = 0) | v5 = 0)))
% 9.45/2.80  | (67)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 9.45/2.80  | (68)  ? [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v0 |  ~ (unordered_pair(v1, v2) = v3) |  ? [v4] :  ? [v5] : (in(v4, v0) = v5 & ( ~ (v5 = 0) | ( ~ (v4 = v2) &  ~ (v4 = v1))) & (v5 = 0 | v4 = v2 | v4 = v1)))
% 9.45/2.80  | (69)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (subset(v3, v2) = v1) |  ~ (subset(v3, v2) = v0))
% 9.45/2.80  | (70)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (set_intersection2(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3))
% 9.45/2.80  | (71) singleton(empty_set) = all_0_8_8
% 9.45/2.80  | (72)  ! [v0] :  ! [v1] : ( ~ (proper_subset(v1, v0) = 0) |  ? [v2] : ( ~ (v2 = 0) & subset(v0, v1) = v2))
% 9.45/2.80  | (73)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (singleton(v1) = v3) |  ~ (singleton(v0) = v2) |  ~ (subset(v2, v3) = 0))
% 9.45/2.80  | (74)  ! [v0] :  ! [v1] : (v1 = empty_set |  ~ (set_difference(empty_set, v0) = v1))
% 9.45/2.80  | (75)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (in(v0, v2) = v3))
% 9.45/2.80  | (76)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v0, v2) = v3) |  ~ (set_union2(v0, v1) = v2))
% 9.45/2.80  | (77)  ! [v0] :  ! [v1] : ( ~ (proper_subset(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & proper_subset(v1, v0) = v2))
% 9.45/2.80  | (78)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 | v1 = v0 |  ~ (proper_subset(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3))
% 9.45/2.80  | (79)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] :  ? [v4] : (set_intersection2(v0, v1) = v3 & in(v4, v3) = 0))
% 9.45/2.80  | (80) empty(all_0_2_2) = all_0_1_1
% 9.45/2.80  | (81)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = empty_set |  ~ (set_difference(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = 0) & subset(v0, v1) = v3))
% 9.45/2.80  | (82)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (powerset(v2) = v1) |  ~ (powerset(v2) = v0))
% 9.45/2.80  | (83)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v1 |  ~ (set_difference(v1, v0) = v2) |  ~ (set_union2(v0, v2) = v3) |  ? [v4] : ( ~ (v4 = 0) & subset(v0, v1) = v4))
% 9.45/2.80  | (84)  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) | set_intersection2(v0, v1) = empty_set)
% 9.45/2.80  | (85)  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) |  ? [v2] : (set_intersection2(v0, v1) = v2 &  ! [v3] :  ~ (in(v3, v2) = 0)))
% 9.45/2.80  | (86)  ! [v0] :  ~ (singleton(v0) = empty_set)
% 9.45/2.80  | (87)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (singleton(v0) = v3) |  ~ (unordered_pair(v1, v2) = v3))
% 9.45/2.80  | (88) empty(empty_set) = 0
% 9.45/2.80  | (89) disjoint(all_0_4_4, all_0_6_6) = all_0_3_3
% 9.45/2.80  | (90)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 9.45/2.80  | (91)  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (subset(v0, v0) = v1))
% 9.45/2.80  | (92)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_union2(v0, empty_set) = v1))
% 9.45/2.80  | (93)  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) | set_difference(v0, v1) = v0)
% 9.45/2.80  | (94)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (set_difference(v0, empty_set) = v1))
% 9.45/2.80  | (95)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = v0) & set_difference(v0, v1) = v3))
% 9.45/2.80  | (96)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (subset(v0, v1) = 0) |  ~ (in(v2, v0) = 0) | in(v2, v1) = 0)
% 9.45/2.81  | (97)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = v0 |  ~ (singleton(v0) = v1) |  ~ (in(v2, v1) = 0))
% 9.45/2.81  | (98)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (set_union2(v0, v1) = v2) |  ? [v3] :  ? [v4] : (empty(v2) = v4 & empty(v0) = v3 & ( ~ (v4 = 0) | v3 = 0)))
% 9.45/2.81  | (99)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (disjoint(v0, v1) = 0) |  ~ (in(v2, v0) = 0) |  ? [v3] : ( ~ (v3 = 0) & in(v2, v1) = v3))
% 9.45/2.81  | (100)  ! [v0] :  ! [v1] : (v1 = v0 |  ~ (empty(v1) = 0) |  ~ (empty(v0) = 0))
% 9.45/2.81  | (101)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (set_union2(v0, v1) = v2) | set_difference(v0, v1) = v3)
% 9.45/2.81  | (102)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (subset(v0, v1) = v2) |  ? [v3] :  ? [v4] : ( ~ (v4 = 0) & in(v3, v1) = v4 & in(v3, v0) = 0))
% 9.45/2.81  | (103)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (disjoint(v0, v1) = v2) |  ? [v3] : ( ~ (v3 = empty_set) & set_intersection2(v0, v1) = v3))
% 9.45/2.81  | (104) in(all_0_7_7, all_0_6_6) = all_0_5_5
% 9.45/2.81  | (105)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_intersection2(v0, v1) = v2) |  ~ (in(v3, v0) = v4) |  ? [v5] :  ? [v6] : (in(v3, v2) = v5 & in(v3, v1) = v6 & ( ~ (v5 = 0) | (v6 = 0 & v4 = 0))))
% 9.45/2.81  | (106)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (powerset(v0) = v1) |  ~ (subset(v2, v0) = 0) | in(v2, v1) = 0)
% 9.45/2.81  | (107)  ! [v0] :  ! [v1] : ( ~ (in(v0, v1) = 0) |  ? [v2] : ( ~ (v2 = 0) & in(v1, v0) = v2))
% 9.45/2.81  | (108)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (powerset(v0) = v1) |  ~ (subset(v2, v0) = v3) |  ? [v4] : ( ~ (v4 = 0) & in(v2, v1) = v4))
% 9.45/2.81  | (109)  ! [v0] :  ! [v1] : ( ~ (set_difference(v0, v1) = empty_set) | subset(v0, v1) = 0)
% 9.45/2.81  | (110)  ! [v0] :  ! [v1] : ( ~ (disjoint(v0, v1) = 0) | disjoint(v1, v0) = 0)
% 9.45/2.81  | (111)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (unordered_pair(v0, v1) = v2) |  ~ (in(v1, v2) = v3))
% 9.45/2.81  |
% 9.45/2.81  | Instantiating formula (79) with all_0_3_3, all_0_6_6, all_0_4_4 and discharging atoms disjoint(all_0_4_4, all_0_6_6) = all_0_3_3, yields:
% 9.45/2.81  | (112) all_0_3_3 = 0 |  ? [v0] :  ? [v1] : (set_intersection2(all_0_4_4, all_0_6_6) = v0 & in(v1, v0) = 0)
% 9.45/2.81  |
% 9.45/2.81  | Instantiating formula (103) with all_0_3_3, all_0_6_6, all_0_4_4 and discharging atoms disjoint(all_0_4_4, all_0_6_6) = all_0_3_3, yields:
% 9.45/2.81  | (113) all_0_3_3 = 0 |  ? [v0] : ( ~ (v0 = empty_set) & set_intersection2(all_0_4_4, all_0_6_6) = v0)
% 9.45/2.81  |
% 9.45/2.81  | Instantiating formula (62) with all_0_3_3, all_0_6_6, all_0_4_4 and discharging atoms disjoint(all_0_4_4, all_0_6_6) = all_0_3_3, yields:
% 9.45/2.81  | (114) all_0_3_3 = 0 |  ? [v0] : (in(v0, all_0_4_4) = 0 & in(v0, all_0_6_6) = 0)
% 9.45/2.81  |
% 9.45/2.81  +-Applying beta-rule and splitting (112), into two cases.
% 9.45/2.81  |-Branch one:
% 9.45/2.81  | (115) all_0_3_3 = 0
% 9.45/2.81  |
% 9.45/2.81  	| Equations (115) can reduce 56 to:
% 9.45/2.81  	| (116) $false
% 9.55/2.81  	|
% 9.55/2.81  	|-The branch is then unsatisfiable
% 9.55/2.81  |-Branch two:
% 9.55/2.81  | (56)  ~ (all_0_3_3 = 0)
% 9.55/2.81  | (118)  ? [v0] :  ? [v1] : (set_intersection2(all_0_4_4, all_0_6_6) = v0 & in(v1, v0) = 0)
% 9.55/2.81  |
% 9.55/2.81  	+-Applying beta-rule and splitting (113), into two cases.
% 9.55/2.81  	|-Branch one:
% 9.55/2.81  	| (115) all_0_3_3 = 0
% 9.55/2.81  	|
% 9.55/2.81  		| Equations (115) can reduce 56 to:
% 9.55/2.81  		| (116) $false
% 9.55/2.81  		|
% 9.55/2.81  		|-The branch is then unsatisfiable
% 9.55/2.81  	|-Branch two:
% 9.55/2.81  	| (56)  ~ (all_0_3_3 = 0)
% 9.55/2.81  	| (122)  ? [v0] : ( ~ (v0 = empty_set) & set_intersection2(all_0_4_4, all_0_6_6) = v0)
% 9.55/2.81  	|
% 9.55/2.81  		+-Applying beta-rule and splitting (114), into two cases.
% 9.55/2.81  		|-Branch one:
% 9.55/2.81  		| (115) all_0_3_3 = 0
% 9.55/2.81  		|
% 9.55/2.81  			| Equations (115) can reduce 56 to:
% 9.55/2.82  			| (116) $false
% 9.55/2.82  			|
% 9.55/2.82  			|-The branch is then unsatisfiable
% 9.55/2.82  		|-Branch two:
% 9.55/2.82  		| (56)  ~ (all_0_3_3 = 0)
% 9.55/2.82  		| (126)  ? [v0] : (in(v0, all_0_4_4) = 0 & in(v0, all_0_6_6) = 0)
% 9.55/2.82  		|
% 9.55/2.82  			| Instantiating (126) with all_50_0_21 yields:
% 9.55/2.82  			| (127) in(all_50_0_21, all_0_4_4) = 0 & in(all_50_0_21, all_0_6_6) = 0
% 9.55/2.82  			|
% 9.55/2.82  			| Applying alpha-rule on (127) yields:
% 9.55/2.82  			| (128) in(all_50_0_21, all_0_4_4) = 0
% 9.57/2.82  			| (129) in(all_50_0_21, all_0_6_6) = 0
% 9.57/2.82  			|
% 9.57/2.82  			| Instantiating formula (97) with all_50_0_21, all_0_4_4, all_0_7_7 and discharging atoms singleton(all_0_7_7) = all_0_4_4, in(all_50_0_21, all_0_4_4) = 0, yields:
% 9.57/2.82  			| (130) all_50_0_21 = all_0_7_7
% 9.57/2.82  			|
% 9.57/2.82  			| Instantiating formula (20) with all_0_7_7, all_0_6_6, 0, all_0_5_5 and discharging atoms in(all_0_7_7, all_0_6_6) = all_0_5_5, yields:
% 9.57/2.82  			| (131) all_0_5_5 = 0 |  ~ (in(all_0_7_7, all_0_6_6) = 0)
% 9.57/2.82  			|
% 9.57/2.82  			| From (130) and (129) follows:
% 9.57/2.82  			| (132) in(all_0_7_7, all_0_6_6) = 0
% 9.57/2.82  			|
% 9.57/2.82  			+-Applying beta-rule and splitting (131), into two cases.
% 9.57/2.82  			|-Branch one:
% 9.57/2.82  			| (133)  ~ (in(all_0_7_7, all_0_6_6) = 0)
% 9.57/2.82  			|
% 9.57/2.82  				| Using (132) and (133) yields:
% 9.57/2.82  				| (134) $false
% 9.57/2.82  				|
% 9.57/2.82  				|-The branch is then unsatisfiable
% 9.57/2.82  			|-Branch two:
% 9.57/2.82  			| (132) in(all_0_7_7, all_0_6_6) = 0
% 9.57/2.82  			| (136) all_0_5_5 = 0
% 9.57/2.82  			|
% 9.57/2.82  				| Equations (136) can reduce 7 to:
% 9.57/2.82  				| (116) $false
% 9.57/2.82  				|
% 9.57/2.82  				|-The branch is then unsatisfiable
% 9.57/2.82  % SZS output end Proof for theBenchmark
% 9.57/2.82  
% 9.57/2.82  2171ms
%------------------------------------------------------------------------------