TSTP Solution File: SET955+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET955+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n016.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 00:23:25 EDT 2022

% Result   : Theorem 67.49s 30.07s
% Output   : Proof 75.39s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET955+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% 0.06/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.33  % Computer : n016.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 : Sun Jul 10 22:00:57 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.51/0.57          ____       _                          
% 0.51/0.57    ___  / __ \_____(_)___  ________  __________
% 0.51/0.57   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.51/0.57  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.51/0.57  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.51/0.57  
% 0.51/0.57  A Theorem Prover for First-Order Logic
% 0.51/0.57  (ePrincess v.1.0)
% 0.51/0.57  
% 0.51/0.57  (c) Philipp Rümmer, 2009-2015
% 0.51/0.57  (c) Peter Backeman, 2014-2015
% 0.51/0.57  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.51/0.57  Free software under GNU Lesser General Public License (LGPL).
% 0.51/0.57  Bug reports to peter@backeman.se
% 0.51/0.57  
% 0.51/0.57  For more information, visit http://user.uu.se/~petba168/breu/
% 0.51/0.57  
% 0.51/0.57  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.51/0.62  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.31/0.87  Prover 0: Preprocessing ...
% 1.78/1.05  Prover 0: Warning: ignoring some quantifiers
% 1.78/1.07  Prover 0: Constructing countermodel ...
% 20.59/5.91  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 20.59/5.93  Prover 1: Preprocessing ...
% 20.96/5.99  Prover 1: Warning: ignoring some quantifiers
% 20.96/5.99  Prover 1: Constructing countermodel ...
% 21.45/6.11  Prover 1: gave up
% 21.45/6.11  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 21.45/6.12  Prover 2: Preprocessing ...
% 21.90/6.16  Prover 2: Warning: ignoring some quantifiers
% 21.90/6.17  Prover 2: Constructing countermodel ...
% 28.64/7.85  Prover 3: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 28.98/7.87  Prover 3: Preprocessing ...
% 29.11/7.91  Prover 3: Warning: ignoring some quantifiers
% 29.11/7.91  Prover 3: Constructing countermodel ...
% 29.46/7.99  Prover 3: gave up
% 29.46/7.99  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=complete
% 29.46/8.00  Prover 4: Preprocessing ...
% 29.81/8.05  Prover 4: Warning: ignoring some quantifiers
% 29.81/8.05  Prover 4: Constructing countermodel ...
% 36.58/10.31  Prover 0: stopped
% 36.96/10.51  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allMinimal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 36.96/10.53  Prover 5: Preprocessing ...
% 37.16/10.57  Prover 5: Warning: ignoring some quantifiers
% 37.16/10.58  Prover 5: Constructing countermodel ...
% 54.64/24.03  Prover 5: stopped
% 54.80/24.23  Prover 6: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 54.80/24.24  Prover 6: Preprocessing ...
% 54.96/24.28  Prover 6: Warning: ignoring some quantifiers
% 54.96/24.28  Prover 6: Constructing countermodel ...
% 59.44/27.96  Prover 6: gave up
% 59.44/27.96  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximalOutermost -resolutionMethod=normal -ignoreQuantifiers -generateTriggers=all
% 59.61/27.97  Prover 7: Preprocessing ...
% 59.61/27.99  Prover 7: Proving ...
% 67.49/30.07  Prover 7: proved (2105ms)
% 67.49/30.07  Prover 2: stopped
% 67.49/30.07  Prover 4: stopped
% 67.49/30.07  
% 67.49/30.07  % SZS status Theorem for theBenchmark
% 67.49/30.07  
% 67.49/30.07  Generating proof ... found it (size 54)
% 75.14/32.94  
% 75.14/32.94  % SZS output start Proof for theBenchmark
% 75.14/32.94  Assumed formulas after preprocessing and simplification: 
% 75.14/32.94  | (0)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (singleton(v0) = v3) |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v2) | ordered_pair(v0, v1) = v4) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (cartesian_product2(v3, v2) = v1) |  ~ (cartesian_product2(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (ordered_pair(v3, v2) = v1) |  ~ (ordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (cartesian_product2(v0, v1) = v2) |  ! [v3] : (v3 = v2 |  ? [v4] : (( ~ in(v4, v3) |  ! [v5] :  ! [v6] : ( ~ in(v6, v1) |  ~ in(v5, v0) |  ? [v7] : ( ~ (v7 = v4) & ordered_pair(v5, v6) = v7))) & (in(v4, v3) |  ? [v5] :  ? [v6] : (ordered_pair(v5, v6) = v4 & in(v6, v1) & in(v5, v0)))))) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (cartesian_product2(v0, v1) = v2) | ( ! [v3] : ( ~ in(v3, v2) |  ? [v4] :  ? [v5] : (ordered_pair(v4, v5) = v3 & in(v5, v1) & in(v4, v0))) &  ! [v3] : (in(v3, v2) |  ! [v4] :  ! [v5] : ( ~ in(v5, v1) |  ~ in(v4, v0) |  ? [v6] : ( ~ (v6 = v3) & ordered_pair(v4, v5) = v6))))) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ empty(v2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ! [v0] :  ! [v1] : (v1 = v0 |  ? [v2] : (( ~ in(v2, v1) |  ~ in(v2, v0)) & (in(v2, v1) | in(v2, v0)))) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) &  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] : ( ~ (v5 = v4) & cartesian_product2(v2, v3) = v5 & cartesian_product2(v0, v1) = v4 &  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (ordered_pair(v6, v7) = v8) |  ~ in(v8, v5) | in(v8, v4)) &  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (ordered_pair(v6, v7) = v8) |  ~ in(v8, v4) | in(v8, v5))) &  ? [v0] :  ~ empty(v0) &  ? [v0] : empty(v0)
% 75.39/32.96  | Applying alpha-rule on (0) yields:
% 75.39/32.96  | (1)  ! [v0] :  ! [v1] : (v1 = v0 |  ? [v2] : (( ~ in(v2, v1) |  ~ in(v2, v0)) & (in(v2, v1) | in(v2, v0))))
% 75.39/32.96  | (2)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (singleton(v0) = v3) |  ~ (unordered_pair(v2, v3) = v4) |  ~ (unordered_pair(v0, v1) = v2) | ordered_pair(v0, v1) = v4)
% 75.39/32.96  | (3)  ? [v0] :  ~ empty(v0)
% 75.39/32.96  | (4)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 75.39/32.96  | (5)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (cartesian_product2(v0, v1) = v2) |  ! [v3] : (v3 = v2 |  ? [v4] : (( ~ in(v4, v3) |  ! [v5] :  ! [v6] : ( ~ in(v6, v1) |  ~ in(v5, v0) |  ? [v7] : ( ~ (v7 = v4) & ordered_pair(v5, v6) = v7))) & (in(v4, v3) |  ? [v5] :  ? [v6] : (ordered_pair(v5, v6) = v4 & in(v6, v1) & in(v5, v0))))))
% 75.39/32.96  | (6)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 75.39/32.96  | (7)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 75.39/32.96  | (8)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (cartesian_product2(v0, v1) = v2) | ( ! [v3] : ( ~ in(v3, v2) |  ? [v4] :  ? [v5] : (ordered_pair(v4, v5) = v3 & in(v5, v1) & in(v4, v0))) &  ! [v3] : (in(v3, v2) |  ! [v4] :  ! [v5] : ( ~ in(v5, v1) |  ~ in(v4, v0) |  ? [v6] : ( ~ (v6 = v3) & ordered_pair(v4, v5) = v6)))))
% 75.39/32.96  | (9)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] : ( ~ (v5 = v4) & cartesian_product2(v2, v3) = v5 & cartesian_product2(v0, v1) = v4 &  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (ordered_pair(v6, v7) = v8) |  ~ in(v8, v5) | in(v8, v4)) &  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (ordered_pair(v6, v7) = v8) |  ~ in(v8, v4) | in(v8, v5)))
% 75.39/32.97  | (10)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 75.39/32.97  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (ordered_pair(v3, v2) = v1) |  ~ (ordered_pair(v3, v2) = v0))
% 75.39/32.97  | (12)  ? [v0] : empty(v0)
% 75.39/32.97  | (13)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (cartesian_product2(v3, v2) = v1) |  ~ (cartesian_product2(v3, v2) = v0))
% 75.39/32.97  | (14)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ empty(v2))
% 75.39/32.97  |
% 75.39/32.97  | Instantiating (9) with all_3_0_1, all_3_1_2, all_3_2_3, all_3_3_4, all_3_4_5, all_3_5_6 yields:
% 75.39/32.97  | (15)  ~ (all_3_0_1 = all_3_1_2) & cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1 & cartesian_product2(all_3_5_6, all_3_4_5) = all_3_1_2 &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_0_1) | in(v2, all_3_1_2)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_1_2) | in(v2, all_3_0_1))
% 75.39/32.97  |
% 75.39/32.97  | Applying alpha-rule on (15) yields:
% 75.39/32.97  | (16) cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1
% 75.39/32.97  | (17)  ~ (all_3_0_1 = all_3_1_2)
% 75.39/32.97  | (18)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_1_2) | in(v2, all_3_0_1))
% 75.39/32.97  | (19)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (ordered_pair(v0, v1) = v2) |  ~ in(v2, all_3_0_1) | in(v2, all_3_1_2))
% 75.39/32.97  | (20) cartesian_product2(all_3_5_6, all_3_4_5) = all_3_1_2
% 75.39/32.97  |
% 75.39/32.97  | Instantiating formula (8) with all_3_0_1, all_3_2_3, all_3_3_4 and discharging atoms cartesian_product2(all_3_3_4, all_3_2_3) = all_3_0_1, yields:
% 75.39/32.97  | (21)  ! [v0] : ( ~ in(v0, all_3_0_1) |  ? [v1] :  ? [v2] : (ordered_pair(v1, v2) = v0 & in(v2, all_3_2_3) & in(v1, all_3_3_4))) &  ! [v0] : (in(v0, all_3_0_1) |  ! [v1] :  ! [v2] : ( ~ in(v2, all_3_2_3) |  ~ in(v1, all_3_3_4) |  ? [v3] : ( ~ (v3 = v0) & ordered_pair(v1, v2) = v3)))
% 75.39/32.97  |
% 75.39/32.97  | Applying alpha-rule on (21) yields:
% 75.39/32.97  | (22)  ! [v0] : ( ~ in(v0, all_3_0_1) |  ? [v1] :  ? [v2] : (ordered_pair(v1, v2) = v0 & in(v2, all_3_2_3) & in(v1, all_3_3_4)))
% 75.39/32.97  | (23)  ! [v0] : (in(v0, all_3_0_1) |  ! [v1] :  ! [v2] : ( ~ in(v2, all_3_2_3) |  ~ in(v1, all_3_3_4) |  ? [v3] : ( ~ (v3 = v0) & ordered_pair(v1, v2) = v3)))
% 75.39/32.97  |
% 75.39/32.97  | Instantiating formula (8) with all_3_1_2, all_3_4_5, all_3_5_6 and discharging atoms cartesian_product2(all_3_5_6, all_3_4_5) = all_3_1_2, yields:
% 75.39/32.97  | (24)  ! [v0] : ( ~ in(v0, all_3_1_2) |  ? [v1] :  ? [v2] : (ordered_pair(v1, v2) = v0 & in(v2, all_3_4_5) & in(v1, all_3_5_6))) &  ! [v0] : (in(v0, all_3_1_2) |  ! [v1] :  ! [v2] : ( ~ in(v2, all_3_4_5) |  ~ in(v1, all_3_5_6) |  ? [v3] : ( ~ (v3 = v0) & ordered_pair(v1, v2) = v3)))
% 75.39/32.97  |
% 75.39/32.97  | Applying alpha-rule on (24) yields:
% 75.39/32.97  | (25)  ! [v0] : ( ~ in(v0, all_3_1_2) |  ? [v1] :  ? [v2] : (ordered_pair(v1, v2) = v0 & in(v2, all_3_4_5) & in(v1, all_3_5_6)))
% 75.39/32.97  | (26)  ! [v0] : (in(v0, all_3_1_2) |  ! [v1] :  ! [v2] : ( ~ in(v2, all_3_4_5) |  ~ in(v1, all_3_5_6) |  ? [v3] : ( ~ (v3 = v0) & ordered_pair(v1, v2) = v3)))
% 75.39/32.97  |
% 75.39/32.97  | Introducing new symbol ex_18_1_9 defined by:
% 75.39/32.97  | (27) ex_18_1_9 = all_3_0_1
% 75.39/32.97  |
% 75.39/32.97  | Introducing new symbol ex_18_0_8 defined by:
% 75.39/32.97  | (28) ex_18_0_8 = all_3_1_2
% 75.39/32.97  |
% 75.39/32.97  | Instantiating formula (1) with ex_18_0_8, ex_18_1_9 yields:
% 75.39/32.97  | (29) ex_18_0_8 = ex_18_1_9 |  ? [v0] : (( ~ in(v0, ex_18_0_8) |  ~ in(v0, ex_18_1_9)) & (in(v0, ex_18_0_8) | in(v0, ex_18_1_9)))
% 75.39/32.97  |
% 75.39/32.97  +-Applying beta-rule and splitting (29), into two cases.
% 75.39/32.97  |-Branch one:
% 75.39/32.97  | (30) ex_18_0_8 = ex_18_1_9
% 75.39/32.97  |
% 75.39/32.97  	| Combining equations (28,30) yields a new equation:
% 75.39/32.97  	| (31) ex_18_1_9 = all_3_1_2
% 75.39/32.97  	|
% 75.39/32.97  	| Combining equations (31,27) yields a new equation:
% 75.39/32.97  	| (32) all_3_0_1 = all_3_1_2
% 75.39/32.97  	|
% 75.39/32.97  	| Equations (32) can reduce 17 to:
% 75.39/32.97  	| (33) $false
% 75.39/32.97  	|
% 75.39/32.97  	|-The branch is then unsatisfiable
% 75.39/32.97  |-Branch two:
% 75.39/32.97  | (34)  ? [v0] : (( ~ in(v0, ex_18_0_8) |  ~ in(v0, ex_18_1_9)) & (in(v0, ex_18_0_8) | in(v0, ex_18_1_9)))
% 75.39/32.97  |
% 75.39/32.97  	| Instantiating (34) with all_21_0_10 yields:
% 75.39/32.97  	| (35) ( ~ in(all_21_0_10, ex_18_0_8) |  ~ in(all_21_0_10, ex_18_1_9)) & (in(all_21_0_10, ex_18_0_8) | in(all_21_0_10, ex_18_1_9))
% 75.39/32.98  	|
% 75.39/32.98  	| Applying alpha-rule on (35) yields:
% 75.39/32.98  	| (36)  ~ in(all_21_0_10, ex_18_0_8) |  ~ in(all_21_0_10, ex_18_1_9)
% 75.39/32.98  	| (37) in(all_21_0_10, ex_18_0_8) | in(all_21_0_10, ex_18_1_9)
% 75.39/32.98  	|
% 75.39/32.98  	+-Applying beta-rule and splitting (37), into two cases.
% 75.39/32.98  	|-Branch one:
% 75.39/32.98  	| (38) in(all_21_0_10, ex_18_0_8)
% 75.39/32.98  	|
% 75.39/32.98  		+-Applying beta-rule and splitting (36), into two cases.
% 75.39/32.98  		|-Branch one:
% 75.39/32.98  		| (39)  ~ in(all_21_0_10, ex_18_0_8)
% 75.39/32.98  		|
% 75.39/32.98  			| Using (38) and (39) yields:
% 75.39/32.98  			| (40) $false
% 75.39/32.98  			|
% 75.39/32.98  			|-The branch is then unsatisfiable
% 75.39/32.98  		|-Branch two:
% 75.39/32.98  		| (41)  ~ in(all_21_0_10, ex_18_1_9)
% 75.39/32.98  		|
% 75.39/32.98  			| Instantiating formula (22) with all_21_0_10 yields:
% 75.39/32.98  			| (42)  ~ in(all_21_0_10, all_3_0_1) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 75.39/32.98  			|
% 75.39/32.98  			| Instantiating formula (25) with all_21_0_10 yields:
% 75.39/32.98  			| (43)  ~ in(all_21_0_10, all_3_1_2) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_4_5) & in(v0, all_3_5_6))
% 75.39/32.98  			|
% 75.39/32.98  			+-Applying beta-rule and splitting (43), into two cases.
% 75.39/32.98  			|-Branch one:
% 75.39/32.98  			| (44)  ~ in(all_21_0_10, all_3_1_2)
% 75.39/32.98  			|
% 75.39/32.98  				| From (28) and (38) follows:
% 75.39/32.98  				| (45) in(all_21_0_10, all_3_1_2)
% 75.39/32.98  				|
% 75.39/32.98  				| Using (45) and (44) yields:
% 75.39/32.98  				| (40) $false
% 75.39/32.98  				|
% 75.39/32.98  				|-The branch is then unsatisfiable
% 75.39/32.98  			|-Branch two:
% 75.39/32.98  			| (45) in(all_21_0_10, all_3_1_2)
% 75.39/32.98  			| (48)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_4_5) & in(v0, all_3_5_6))
% 75.39/32.98  			|
% 75.39/32.98  				| Instantiating (48) with all_39_0_24, all_39_1_25 yields:
% 75.39/32.98  				| (49) ordered_pair(all_39_1_25, all_39_0_24) = all_21_0_10 & in(all_39_0_24, all_3_4_5) & in(all_39_1_25, all_3_5_6)
% 75.39/32.98  				|
% 75.39/32.98  				| Applying alpha-rule on (49) yields:
% 75.39/32.98  				| (50) ordered_pair(all_39_1_25, all_39_0_24) = all_21_0_10
% 75.39/32.98  				| (51) in(all_39_0_24, all_3_4_5)
% 75.39/32.98  				| (52) in(all_39_1_25, all_3_5_6)
% 75.39/32.98  				|
% 75.39/32.98  				| Instantiating formula (18) with all_21_0_10, all_39_0_24, all_39_1_25 and discharging atoms ordered_pair(all_39_1_25, all_39_0_24) = all_21_0_10, yields:
% 75.39/32.98  				| (53)  ~ in(all_21_0_10, all_3_1_2) | in(all_21_0_10, all_3_0_1)
% 75.39/32.98  				|
% 75.39/32.98  				+-Applying beta-rule and splitting (42), into two cases.
% 75.39/32.98  				|-Branch one:
% 75.39/32.98  				| (54)  ~ in(all_21_0_10, all_3_0_1)
% 75.39/32.98  				|
% 75.39/32.98  					+-Applying beta-rule and splitting (53), into two cases.
% 75.39/32.98  					|-Branch one:
% 75.39/32.98  					| (44)  ~ in(all_21_0_10, all_3_1_2)
% 75.39/32.98  					|
% 75.39/32.98  						| Using (45) and (44) yields:
% 75.39/32.98  						| (40) $false
% 75.39/32.98  						|
% 75.39/32.98  						|-The branch is then unsatisfiable
% 75.39/32.98  					|-Branch two:
% 75.39/32.98  					| (57) in(all_21_0_10, all_3_0_1)
% 75.39/32.98  					|
% 75.39/32.98  						| Using (57) and (54) yields:
% 75.39/32.98  						| (40) $false
% 75.39/32.98  						|
% 75.39/32.98  						|-The branch is then unsatisfiable
% 75.39/32.98  				|-Branch two:
% 75.39/32.98  				| (57) in(all_21_0_10, all_3_0_1)
% 75.39/32.98  				| (60)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 75.39/32.98  				|
% 75.39/32.98  					| From (27) and (41) follows:
% 75.39/32.98  					| (54)  ~ in(all_21_0_10, all_3_0_1)
% 75.39/32.98  					|
% 75.39/32.98  					| Using (57) and (54) yields:
% 75.39/32.98  					| (40) $false
% 75.39/32.98  					|
% 75.39/32.98  					|-The branch is then unsatisfiable
% 75.39/32.98  	|-Branch two:
% 75.39/32.98  	| (39)  ~ in(all_21_0_10, ex_18_0_8)
% 75.39/32.98  	| (64) in(all_21_0_10, ex_18_1_9)
% 75.39/32.98  	|
% 75.39/32.98  		| Instantiating formula (22) with all_21_0_10 yields:
% 75.39/32.98  		| (42)  ~ in(all_21_0_10, all_3_0_1) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 75.39/32.98  		|
% 75.39/32.98  		| Instantiating formula (25) with all_21_0_10 yields:
% 75.39/32.98  		| (43)  ~ in(all_21_0_10, all_3_1_2) |  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_4_5) & in(v0, all_3_5_6))
% 75.39/32.98  		|
% 75.39/32.98  		+-Applying beta-rule and splitting (43), into two cases.
% 75.39/32.98  		|-Branch one:
% 75.39/32.98  		| (44)  ~ in(all_21_0_10, all_3_1_2)
% 75.39/32.98  		|
% 75.39/32.98  			+-Applying beta-rule and splitting (42), into two cases.
% 75.39/32.98  			|-Branch one:
% 75.39/32.98  			| (54)  ~ in(all_21_0_10, all_3_0_1)
% 75.39/32.98  			|
% 75.39/32.98  				| From (27) and (64) follows:
% 75.39/32.98  				| (57) in(all_21_0_10, all_3_0_1)
% 75.39/32.98  				|
% 75.39/32.98  				| Using (57) and (54) yields:
% 75.39/32.98  				| (40) $false
% 75.39/32.98  				|
% 75.39/32.98  				|-The branch is then unsatisfiable
% 75.39/32.98  			|-Branch two:
% 75.39/32.98  			| (57) in(all_21_0_10, all_3_0_1)
% 75.39/32.98  			| (60)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_2_3) & in(v0, all_3_3_4))
% 75.39/32.98  			|
% 75.39/32.98  				| Instantiating (60) with all_46_0_26, all_46_1_27 yields:
% 75.39/32.98  				| (73) ordered_pair(all_46_1_27, all_46_0_26) = all_21_0_10 & in(all_46_0_26, all_3_2_3) & in(all_46_1_27, all_3_3_4)
% 75.39/32.98  				|
% 75.39/32.98  				| Applying alpha-rule on (73) yields:
% 75.39/32.98  				| (74) ordered_pair(all_46_1_27, all_46_0_26) = all_21_0_10
% 75.39/32.98  				| (75) in(all_46_0_26, all_3_2_3)
% 75.39/32.98  				| (76) in(all_46_1_27, all_3_3_4)
% 75.39/32.98  				|
% 75.39/32.98  				| Instantiating formula (19) with all_21_0_10, all_46_0_26, all_46_1_27 and discharging atoms ordered_pair(all_46_1_27, all_46_0_26) = all_21_0_10,  ~ in(all_21_0_10, all_3_1_2), yields:
% 75.39/32.98  				| (54)  ~ in(all_21_0_10, all_3_0_1)
% 75.39/32.98  				|
% 75.39/32.98  				| Using (57) and (54) yields:
% 75.39/32.98  				| (40) $false
% 75.39/32.98  				|
% 75.39/32.98  				|-The branch is then unsatisfiable
% 75.39/32.98  		|-Branch two:
% 75.39/32.98  		| (45) in(all_21_0_10, all_3_1_2)
% 75.39/32.98  		| (48)  ? [v0] :  ? [v1] : (ordered_pair(v0, v1) = all_21_0_10 & in(v1, all_3_4_5) & in(v0, all_3_5_6))
% 75.39/32.98  		|
% 75.39/32.98  			| From (28) and (39) follows:
% 75.39/32.98  			| (44)  ~ in(all_21_0_10, all_3_1_2)
% 75.39/32.98  			|
% 75.39/32.98  			| Using (45) and (44) yields:
% 75.39/32.98  			| (40) $false
% 75.39/32.98  			|
% 75.39/32.98  			|-The branch is then unsatisfiable
% 75.39/32.98  % SZS output end Proof for theBenchmark
% 75.39/32.99  
% 75.39/32.99  32401ms
%------------------------------------------------------------------------------