TSTP Solution File: GRP123-9.004 by Metis---2.4
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- Process Solution
%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : GRP123-9.004 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %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 : Sat Jul 16 10:36:32 EDT 2022
% Result : Satisfiable 3.39s 3.54s
% Output : Saturation 3.47s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : GRP123-9.004 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.03/0.12 % Command : metis --show proof --show saturation %s
% 0.12/0.34 % Computer : n011.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 13 08:36:18 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.12/0.34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 3.39/3.54 % SZS status Satisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 3.39/3.54
% 3.39/3.54 SZS output start Saturation for /export/starexec/sandbox/benchmark/theBenchmark.p
% 3.39/3.54 |- ~group_element $X \/ ~group_element $Y \/ product e_1 $X $Y \/
% 3.39/3.54 product e_2 $X $Y \/ product e_3 $X $Y \/ product e_4 $X $Y
% 3.39/3.54 |- ~group_element $X \/ ~group_element $Y \/ product $X e_1 $Y \/
% 3.39/3.54 product $X e_2 $Y \/ product $X e_3 $Y \/ product $X e_4 $Y
% 3.39/3.54 |- group_element e_1
% 3.39/3.54 |- group_element e_2
% 3.39/3.54 |- group_element e_3
% 3.39/3.54 |- group_element e_4
% 3.39/3.54 |- ~(e_1 == e_2)
% 3.39/3.54 |- ~(e_1 == e_3)
% 3.39/3.54 |- ~(e_1 == e_4)
% 3.39/3.54 |- ~(e_2 == e_1)
% 3.39/3.54 |- ~(e_2 == e_3)
% 3.39/3.54 |- ~(e_2 == e_4)
% 3.39/3.54 |- ~(e_3 == e_1)
% 3.39/3.54 |- ~(e_3 == e_2)
% 3.39/3.54 |- ~(e_3 == e_4)
% 3.39/3.54 |- ~(e_4 == e_1)
% 3.39/3.54 |- ~(e_4 == e_2)
% 3.39/3.54 |- ~(e_4 == e_3)
% 3.39/3.54 |- ~group_element $X \/ ~group_element $Y \/ product1 $X $Y e_1 \/
% 3.39/3.54 product1 $X $Y e_2 \/ product1 $X $Y e_3 \/ product1 $X $Y e_4
% 3.39/3.54 |- ~product1 $X $Y $W \/ ~product1 $X $Y $Z \/ $W == $Z
% 3.39/3.54 |- ~product1 $X $W $Y \/ ~product1 $X $Z $Y \/ $W == $Z
% 3.39/3.54 |- ~product1 $W $Y $X \/ ~product1 $Z $Y $X \/ $W == $Z
% 3.39/3.54 |- product1 $X $X $X
% 3.39/3.54 |- ~group_element $X \/ ~group_element $Y \/ product2 $X $Y e_1 \/
% 3.39/3.54 product2 $X $Y e_2 \/ product2 $X $Y e_3 \/ product2 $X $Y e_4
% 3.39/3.54 |- ~product2 $X $Y $W \/ ~product2 $X $Y $Z \/ $W == $Z
% 3.39/3.54 |- ~product2 $X $W $Y \/ ~product2 $X $Z $Y \/ $W == $Z
% 3.39/3.54 |- ~product2 $W $Y $X \/ ~product2 $Z $Y $X \/ $W == $Z
% 3.39/3.54 |- product2 $X $X $X
% 3.39/3.54 |- ~group_element $Y \/ product e_1 $Y $Y \/ product e_2 $Y $Y \/
% 3.39/3.54 product e_3 $Y $Y \/ product e_4 $Y $Y
% 3.39/3.54 |- ~group_element $Y \/ product $Y e_1 $Y \/ product $Y e_2 $Y \/
% 3.39/3.54 product $Y e_3 $Y \/ product $Y e_4 $Y
% 3.39/3.54 |- ~group_element $Y \/ product1 $Y $Y e_1 \/ product1 $Y $Y e_2 \/
% 3.39/3.54 product1 $Y $Y e_3 \/ product1 $Y $Y e_4
% 3.39/3.54 |- ~group_element $Y \/ product2 $Y $Y e_1 \/ product2 $Y $Y e_2 \/
% 3.39/3.54 product2 $Y $Y e_3 \/ product2 $Y $Y e_4
% 3.39/3.54 |- ~product1 $X $Y $Z1 \/ ~product1 $Z1 $Y $Z2 \/ product2 $Z2 $X $Y
% 3.39/3.54 |- ~product1 $Z2 $Y $Z2 \/ product2 $Z2 $Z2 $Y
% 3.39/3.54 |- $_6 == $_6
% 3.39/3.54 |- ~product1 $_8 $_9 $_9 \/ $_8 == $_9
% 3.39/3.54 |- ~product1 $_11 $_9 $_9 \/ $_9 == $_11
% 3.39/3.54 |- ~product2 $_16 $_16 $_19 \/ $_16 == $_19
% 3.39/3.54 |- ~product2 $_19 $_19 $_16 \/ $_16 == $_19
% 3.39/3.54 |- ~product2 $_26 $_27 $_26 \/ $_26 == $_27
% 3.39/3.54 |- ~product2 $_26 $_24 $_26 \/ $_24 == $_26
% 3.39/3.54 |- ~product1 $_32 $_32 $_35 \/ $_32 == $_35
% 3.39/3.54 |- ~product1 $_35 $_35 $_32 \/ $_32 == $_35
% 3.39/3.54 |- ~product1 $_42 $_43 $_42 \/ $_42 == $_43
% 3.39/3.54 |- ~product1 $_42 $_40 $_42 \/ $_40 == $_42
% 3.39/3.54 |- ~product2 $_51 $_49 $_49 \/ $_49 == $_51
% 3.39/3.54 |- ~product2 $_48 $_49 $_49 \/ $_48 == $_49
% 3.39/3.54 |- product e_1 e_1 e_1 \/ product e_2 e_1 e_1 \/ product e_3 e_1 e_1 \/
% 3.39/3.54 product e_4 e_1 e_1
% 3.39/3.54 |- product e_1 e_2 e_2 \/ product e_2 e_2 e_2 \/ product e_3 e_2 e_2 \/
% 3.39/3.54 product e_4 e_2 e_2
% 3.39/3.54 |- product e_1 e_3 e_3 \/ product e_2 e_3 e_3 \/ product e_3 e_3 e_3 \/
% 3.39/3.54 product e_4 e_3 e_3
% 3.39/3.55 |- product e_1 e_4 e_4 \/ product e_2 e_4 e_4 \/ product e_3 e_4 e_4 \/
% 3.39/3.55 product e_4 e_4 e_4
% 3.39/3.55 |- product e_1 e_1 e_1 \/ product e_1 e_2 e_1 \/ product e_1 e_3 e_1 \/
% 3.39/3.55 product e_1 e_4 e_1
% 3.39/3.55 |- product e_2 e_1 e_2 \/ product e_2 e_2 e_2 \/ product e_2 e_3 e_2 \/
% 3.39/3.55 product e_2 e_4 e_2
% 3.39/3.55 |- product e_3 e_1 e_3 \/ product e_3 e_2 e_3 \/ product e_3 e_3 e_3 \/
% 3.39/3.55 product e_3 e_4 e_3
% 3.39/3.55 |- product e_4 e_1 e_4 \/ product e_4 e_2 e_4 \/ product e_4 e_3 e_4 \/
% 3.39/3.55 product e_4 e_4 e_4
% 3.39/3.55 |- ~product1 $_62 $_62 $_63 \/ product2 $_63 $_62 $_62
% 3.39/3.55 |- ~product1 $_60 $_63 $_63 \/ product2 $_63 $_60 $_63
% 3.39/3.55 |- ~group_element $_69 \/ product e_1 e_1 $_69 \/ product e_2 e_1 $_69 \/
% 3.39/3.55 product e_3 e_1 $_69 \/ product e_4 e_1 $_69
% 3.39/3.55 |- ~group_element $_69 \/ product e_1 e_2 $_69 \/ product e_2 e_2 $_69 \/
% 3.39/3.55 product e_3 e_2 $_69 \/ product e_4 e_2 $_69
% 3.39/3.55 |- ~group_element $_69 \/ product e_1 e_3 $_69 \/ product e_2 e_3 $_69 \/
% 3.39/3.55 product e_3 e_3 $_69 \/ product e_4 e_3 $_69
% 3.39/3.55 |- ~group_element $_69 \/ product e_1 e_4 $_69 \/ product e_2 e_4 $_69 \/
% 3.39/3.55 product e_3 e_4 $_69 \/ product e_4 e_4 $_69
% 3.39/3.55 |- ~group_element $_68 \/ product e_1 $_68 e_1 \/ product e_2 $_68 e_1 \/
% 3.39/3.55 product e_3 $_68 e_1 \/ product e_4 $_68 e_1
% 3.39/3.55 |- ~group_element $_68 \/ product e_1 $_68 e_2 \/ product e_2 $_68 e_2 \/
% 3.39/3.55 product e_3 $_68 e_2 \/ product e_4 $_68 e_2
% 3.39/3.55 |- ~group_element $_68 \/ product e_1 $_68 e_3 \/ product e_2 $_68 e_3 \/
% 3.39/3.55 product e_3 $_68 e_3 \/ product e_4 $_68 e_3
% 3.39/3.55 |- ~group_element $_68 \/ product e_1 $_68 e_4 \/ product e_2 $_68 e_4 \/
% 3.39/3.55 product e_3 $_68 e_4 \/ product e_4 $_68 e_4
% 3.39/3.55 |- product e_1 e_1 e_2 \/ product e_2 e_1 e_2 \/ product e_3 e_1 e_2 \/
% 3.39/3.55 product e_4 e_1 e_2
% 3.39/3.55 |- product e_1 e_1 e_3 \/ product e_2 e_1 e_3 \/ product e_3 e_1 e_3 \/
% 3.39/3.55 product e_4 e_1 e_3
% 3.39/3.55 |- product e_1 e_1 e_4 \/ product e_2 e_1 e_4 \/ product e_3 e_1 e_4 \/
% 3.39/3.55 product e_4 e_1 e_4
% 3.39/3.55 |- product e_1 e_2 e_1 \/ product e_2 e_2 e_1 \/ product e_3 e_2 e_1 \/
% 3.39/3.55 product e_4 e_2 e_1
% 3.39/3.55 |- product e_1 e_2 e_3 \/ product e_2 e_2 e_3 \/ product e_3 e_2 e_3 \/
% 3.39/3.55 product e_4 e_2 e_3
% 3.39/3.55 |- product e_1 e_2 e_4 \/ product e_2 e_2 e_4 \/ product e_3 e_2 e_4 \/
% 3.39/3.55 product e_4 e_2 e_4
% 3.39/3.55 |- product e_1 e_3 e_1 \/ product e_2 e_3 e_1 \/ product e_3 e_3 e_1 \/
% 3.39/3.55 product e_4 e_3 e_1
% 3.39/3.55 |- product e_1 e_3 e_2 \/ product e_2 e_3 e_2 \/ product e_3 e_3 e_2 \/
% 3.39/3.55 product e_4 e_3 e_2
% 3.39/3.55 |- product e_1 e_3 e_4 \/ product e_2 e_3 e_4 \/ product e_3 e_3 e_4 \/
% 3.39/3.55 product e_4 e_3 e_4
% 3.39/3.55 |- product e_1 e_4 e_1 \/ product e_2 e_4 e_1 \/ product e_3 e_4 e_1 \/
% 3.39/3.55 product e_4 e_4 e_1
% 3.39/3.55 |- product e_1 e_4 e_2 \/ product e_2 e_4 e_2 \/ product e_3 e_4 e_2 \/
% 3.39/3.55 product e_4 e_4 e_2
% 3.39/3.55 |- product e_1 e_4 e_3 \/ product e_2 e_4 e_3 \/ product e_3 e_4 e_3 \/
% 3.39/3.55 product e_4 e_4 e_3
% 3.39/3.55 |- ~group_element $_79 \/ product e_1 e_1 $_79 \/ product e_1 e_2 $_79 \/
% 3.39/3.55 product e_1 e_3 $_79 \/ product e_1 e_4 $_79
% 3.39/3.55 |- ~group_element $_79 \/ product e_2 e_1 $_79 \/ product e_2 e_2 $_79 \/
% 3.39/3.55 product e_2 e_3 $_79 \/ product e_2 e_4 $_79
% 3.39/3.55 |- ~group_element $_79 \/ product e_3 e_1 $_79 \/ product e_3 e_2 $_79 \/
% 3.39/3.55 product e_3 e_3 $_79 \/ product e_3 e_4 $_79
% 3.39/3.55 |- ~group_element $_79 \/ product e_4 e_1 $_79 \/ product e_4 e_2 $_79 \/
% 3.39/3.55 product e_4 e_3 $_79 \/ product e_4 e_4 $_79
% 3.39/3.55 |- ~group_element $_78 \/ product $_78 e_1 e_1 \/ product $_78 e_2 e_1 \/
% 3.39/3.55 product $_78 e_3 e_1 \/ product $_78 e_4 e_1
% 3.39/3.55 |- ~group_element $_78 \/ product $_78 e_1 e_2 \/ product $_78 e_2 e_2 \/
% 3.39/3.55 product $_78 e_3 e_2 \/ product $_78 e_4 e_2
% 3.39/3.55 |- ~group_element $_78 \/ product $_78 e_1 e_3 \/ product $_78 e_2 e_3 \/
% 3.39/3.55 product $_78 e_3 e_3 \/ product $_78 e_4 e_3
% 3.39/3.55 |- ~group_element $_78 \/ product $_78 e_1 e_4 \/ product $_78 e_2 e_4 \/
% 3.39/3.55 product $_78 e_3 e_4 \/ product $_78 e_4 e_4
% 3.39/3.55 |- product e_1 e_1 e_2 \/ product e_1 e_2 e_2 \/ product e_1 e_3 e_2 \/
% 3.39/3.55 product e_1 e_4 e_2
% 3.39/3.55 |- product e_1 e_1 e_3 \/ product e_1 e_2 e_3 \/ product e_1 e_3 e_3 \/
% 3.39/3.55 product e_1 e_4 e_3
% 3.39/3.55 |- product e_1 e_1 e_4 \/ product e_1 e_2 e_4 \/ product e_1 e_3 e_4 \/
% 3.39/3.55 product e_1 e_4 e_4
% 3.39/3.55 |- product e_2 e_1 e_1 \/ product e_2 e_2 e_1 \/ product e_2 e_3 e_1 \/
% 3.39/3.55 product e_2 e_4 e_1
% 3.39/3.55 |- product e_2 e_1 e_3 \/ product e_2 e_2 e_3 \/ product e_2 e_3 e_3 \/
% 3.39/3.55 product e_2 e_4 e_3
% 3.39/3.55 |- product e_2 e_1 e_4 \/ product e_2 e_2 e_4 \/ product e_2 e_3 e_4 \/
% 3.39/3.55 product e_2 e_4 e_4
% 3.39/3.55 |- product e_3 e_1 e_1 \/ product e_3 e_2 e_1 \/ product e_3 e_3 e_1 \/
% 3.39/3.55 product e_3 e_4 e_1
% 3.39/3.55 |- product e_3 e_1 e_2 \/ product e_3 e_2 e_2 \/ product e_3 e_3 e_2 \/
% 3.39/3.55 product e_3 e_4 e_2
% 3.39/3.55 |- product e_3 e_1 e_4 \/ product e_3 e_2 e_4 \/ product e_3 e_3 e_4 \/
% 3.39/3.55 product e_3 e_4 e_4
% 3.39/3.55 |- product e_4 e_1 e_1 \/ product e_4 e_2 e_1 \/ product e_4 e_3 e_1 \/
% 3.39/3.55 product e_4 e_4 e_1
% 3.39/3.55 |- product e_4 e_1 e_2 \/ product e_4 e_2 e_2 \/ product e_4 e_3 e_2 \/
% 3.39/3.55 product e_4 e_4 e_2
% 3.39/3.55 |- product e_4 e_1 e_3 \/ product e_4 e_2 e_3 \/ product e_4 e_3 e_3 \/
% 3.39/3.55 product e_4 e_4 e_3
% 3.39/3.55 |- ~group_element $_89 \/ product1 e_1 $_89 e_1 \/ product1 e_1 $_89 e_2 \/
% 3.39/3.55 product1 e_1 $_89 e_3 \/ product1 e_1 $_89 e_4
% 3.39/3.55 |- ~group_element $_89 \/ product1 e_2 $_89 e_1 \/ product1 e_2 $_89 e_2 \/
% 3.39/3.55 product1 e_2 $_89 e_3 \/ product1 e_2 $_89 e_4
% 3.39/3.55 |- ~group_element $_89 \/ product1 e_3 $_89 e_1 \/ product1 e_3 $_89 e_2 \/
% 3.39/3.55 product1 e_3 $_89 e_3 \/ product1 e_3 $_89 e_4
% 3.39/3.55 |- ~group_element $_89 \/ product1 e_4 $_89 e_1 \/ product1 e_4 $_89 e_2 \/
% 3.39/3.55 product1 e_4 $_89 e_3 \/ product1 e_4 $_89 e_4
% 3.39/3.55 |- ~group_element $_88 \/ product1 $_88 e_1 e_1 \/ product1 $_88 e_1 e_2 \/
% 3.39/3.55 product1 $_88 e_1 e_3 \/ product1 $_88 e_1 e_4
% 3.39/3.55 |- ~group_element $_88 \/ product1 $_88 e_2 e_1 \/ product1 $_88 e_2 e_2 \/
% 3.39/3.55 product1 $_88 e_2 e_3 \/ product1 $_88 e_2 e_4
% 3.39/3.55 |- ~group_element $_88 \/ product1 $_88 e_3 e_1 \/ product1 $_88 e_3 e_2 \/
% 3.39/3.55 product1 $_88 e_3 e_3 \/ product1 $_88 e_3 e_4
% 3.39/3.55 |- ~group_element $_88 \/ product1 $_88 e_4 e_1 \/ product1 $_88 e_4 e_2 \/
% 3.39/3.55 product1 $_88 e_4 e_3 \/ product1 $_88 e_4 e_4
% 3.39/3.55 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.39/3.55 product1 e_3 e_1 e_4
% 3.39/3.55 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.39/3.55 product1 e_3 e_2 e_4
% 3.39/3.55 |- product1 e_3 e_4 e_1 \/ product1 e_3 e_4 e_2
% 3.39/3.55 |- ~product1 $X e_4 e_3 \/ product1 e_3 e_4 e_1 \/ product2 e_2 $X e_4
% 3.39/3.55 |- ~product1 e_2 e_4 $Z2 \/ product1 e_3 e_4 e_1 \/ product2 $Z2 e_3 e_4
% 3.39/3.55 |- ~product1 e_3 $W e_2 \/ $W == e_4 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 e_3 $Z e_2 \/ e_4 == $Z \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 e_3 e_4 $W \/ $W == e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 e_3 e_4 $Z \/ e_2 == $Z \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 $W e_4 e_2 \/ $W == e_3 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 $Z e_4 e_2 \/ e_3 == $Z \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 $X e_1 e_3 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.39/3.55 product1 e_3 e_1 e_3 \/ product2 e_4 $X e_1
% 3.39/3.55 |- ~product1 e_3 $W e_4 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.55 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.39/3.55 |- ~product1 e_3 $Z e_4 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.55 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.39/3.55 |- ~product1 e_3 e_1 $W \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.55 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.39/3.55 |- ~product1 e_3 e_1 $Z \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.55 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.39/3.55 |- ~product1 $W e_1 e_4 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.55 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.39/3.55 |- ~product1 $Z e_1 e_4 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.55 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.39/3.55 |- ~product1 $X e_2 e_3 \/ product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/
% 3.39/3.55 product1 e_3 e_2 e_3 \/ product2 e_4 $X e_2
% 3.39/3.55 |- ~product1 e_3 $W e_4 \/ $W == e_2 \/ product1 e_3 e_2 e_1 \/
% 3.39/3.55 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.55 |- ~product1 e_3 $Z e_4 \/ e_2 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.39/3.55 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.55 |- ~product1 e_3 e_2 $W \/ $W == e_4 \/ product1 e_3 e_2 e_1 \/
% 3.39/3.55 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.55 |- ~product1 e_3 e_2 $Z \/ e_4 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.39/3.55 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.55 |- ~product1 $W e_2 e_4 \/ $W == e_3 \/ product1 e_3 e_2 e_1 \/
% 3.39/3.55 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.55 |- ~product1 $Z e_2 e_4 \/ e_3 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.39/3.55 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.55 |- product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product1 e_4 e_2 e_3
% 3.39/3.55 |- ~product1 $X e_2 e_4 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/
% 3.39/3.55 product2 e_3 $X e_2
% 3.39/3.55 |- ~product1 e_3 e_2 $Z2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/
% 3.39/3.55 product2 $Z2 e_4 e_2
% 3.39/3.55 |- ~product1 e_4 $W e_3 \/ $W == e_2 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.55 product1 e_4 e_2 e_2
% 3.39/3.55 |- ~product1 e_4 $Z e_3 \/ e_2 == $Z \/ product1 e_4 e_2 e_1 \/
% 3.39/3.55 product1 e_4 e_2 e_2
% 3.39/3.55 |- ~product1 e_4 e_2 $W \/ $W == e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.55 product1 e_4 e_2 e_2
% 3.39/3.55 |- ~product1 e_4 e_2 $Z \/ e_3 == $Z \/ product1 e_4 e_2 e_1 \/
% 3.39/3.55 product1 e_4 e_2 e_2
% 3.39/3.55 |- ~product1 $W e_2 e_3 \/ $W == e_4 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.55 product1 e_4 e_2 e_2
% 3.39/3.55 |- ~product1 $Z e_2 e_3 \/ e_4 == $Z \/ product1 e_4 e_2 e_1 \/
% 3.39/3.55 product1 e_4 e_2 e_2
% 3.39/3.55 |- product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product1 e_4 e_1 e_3
% 3.39/3.55 |- ~product1 $X e_1 e_4 \/ product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/
% 3.39/3.55 product2 e_3 $X e_1
% 3.39/3.55 |- ~product1 e_3 e_1 $Z2 \/ product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/
% 3.39/3.55 product2 $Z2 e_4 e_1
% 3.39/3.55 |- ~product1 e_4 $W e_3 \/ $W == e_1 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 e_4 $Z e_3 \/ e_1 == $Z \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 e_4 e_1 $W \/ $W == e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 e_4 e_1 $Z \/ e_3 == $Z \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 $W e_1 e_3 \/ $W == e_4 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 $Z e_1 e_3 \/ e_4 == $Z \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- product1 e_4 e_3 e_1 \/ product1 e_4 e_3 e_2
% 3.39/3.55 |- ~product1 $X e_3 e_4 \/ product1 e_4 e_3 e_1 \/ product2 e_2 $X e_3
% 3.39/3.55 |- ~product1 e_2 e_3 $Z2 \/ product1 e_4 e_3 e_1 \/ product2 $Z2 e_4 e_3
% 3.39/3.55 |- ~product1 e_4 $W e_2 \/ $W == e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.55 |- ~product1 e_4 $Z e_2 \/ e_3 == $Z \/ product1 e_4 e_3 e_1
% 3.39/3.55 |- ~product1 e_4 e_3 $W \/ $W == e_2 \/ product1 e_4 e_3 e_1
% 3.39/3.55 |- ~product1 e_4 e_3 $Z \/ e_2 == $Z \/ product1 e_4 e_3 e_1
% 3.39/3.55 |- ~product1 $W e_3 e_2 \/ $W == e_4 \/ product1 e_4 e_3 e_1
% 3.39/3.55 |- ~product1 $Z e_3 e_2 \/ e_4 == $Z \/ product1 e_4 e_3 e_1
% 3.39/3.55 |- product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product1 e_4 e_2 e_1
% 3.39/3.55 |- ~product1 $X e_2 e_4 \/ product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/
% 3.39/3.55 product2 e_1 $X e_2
% 3.39/3.55 |- ~product1 e_1 e_2 $Z2 \/ product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/
% 3.39/3.55 product2 $Z2 e_4 e_2
% 3.39/3.55 |- ~product1 e_4 $W e_1 \/ $W == e_2 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 e_4 e_2 $W \/ $W == e_1 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 $W e_2 e_1 \/ $W == e_4 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- ~product1 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_4 e_1 e_1 \/
% 3.39/3.55 product1 e_4 e_1 e_2
% 3.39/3.55 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.39/3.55 product1 e_1 e_2 e_4
% 3.39/3.55 |- ~product1 $X e_2 e_1 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.39/3.55 product1 e_1 e_2 e_3 \/ product2 e_4 $X e_2
% 3.39/3.55 |- ~product1 e_1 $W e_4 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.55 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.39/3.55 |- ~product1 e_1 $Z e_4 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.55 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.39/3.55 |- ~product1 e_1 e_2 $W \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.55 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.39/3.55 |- ~product1 e_1 e_2 $Z \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.55 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.39/3.55 |- ~product1 $W e_2 e_4 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.55 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.39/3.55 |- ~product1 $Z e_2 e_4 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.55 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.39/3.55 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_1 e_4 e_3
% 3.39/3.55 |- ~product1 $X e_4 e_1 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.39/3.55 product2 e_3 $X e_4
% 3.39/3.55 |- ~product1 e_1 $W e_3 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 e_1 $Z e_3 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 e_1 e_4 $W \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 e_1 e_4 $Z \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 $W e_4 e_3 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 $Z e_4 e_3 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1 \/
% 3.39/3.55 product2 e_2 e_1 e_4
% 3.39/3.55 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product1 e_2 e_4 e_3
% 3.39/3.55 |- ~product1 $X e_4 e_2 \/ product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/
% 3.39/3.55 product2 e_3 $X e_4
% 3.39/3.55 |- ~product1 e_2 $W e_3 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 e_2 $Z e_3 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 e_2 e_4 $W \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 e_2 e_4 $Z \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 $W e_4 e_3 \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 $Z e_4 e_3 \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product1 $X e_4 e_3 \/ product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/
% 3.39/3.55 product2 e_1 $X e_4
% 3.39/3.55 |- ~product1 e_1 e_4 $Z2 \/ product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/
% 3.39/3.55 product2 $Z2 e_3 e_4
% 3.39/3.55 |- ~product1 e_3 $W e_1 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 e_3 e_4 $W \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 $W e_4 e_1 \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product1 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.55 product1 e_2 e_4 e_2
% 3.39/3.55 |- ~product2 $W e_1 e_4 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 $Z e_1 e_4 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_2 $W e_4 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_2 $Z e_4 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_2 e_1 $W \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_2 e_1 $Z \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_2 e_4 e_1
% 3.39/3.55 |- ~product1 $X e_4 e_2 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.39/3.55 product2 e_1 $X e_4
% 3.39/3.55 |- ~product1 e_1 e_4 $Z2 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.39/3.55 product2 $Z2 e_2 e_4
% 3.39/3.55 |- ~product1 e_2 $W e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 e_2 e_4 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 $W e_4 e_1 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- ~product1 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2
% 3.39/3.55 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1 \/
% 3.39/3.55 product2 e_1 e_3 e_4
% 3.39/3.55 |- ~product2 $W e_3 e_4 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 $Z e_3 e_4 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_1 $W e_4 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_1 $Z e_4 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_1 e_3 $W \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- ~product2 e_1 e_3 $Z \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.55 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.39/3.55 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.39/3.55 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_2
% 3.39/3.55 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.39/3.55 product1 e_1 e_3 e_4
% 3.39/3.56 |- ~product1 $X e_3 e_1 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.39/3.56 product1 e_1 e_3 e_3 \/ product2 e_4 $X e_3
% 3.39/3.56 |- ~product1 e_1 $W e_4 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.39/3.56 |- ~product1 e_1 $Z e_4 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.39/3.56 |- ~product1 e_1 e_3 $W \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.39/3.56 |- ~product1 e_1 e_3 $Z \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.39/3.56 |- ~product1 $W e_3 e_4 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.39/3.56 |- ~product1 $Z e_3 e_4 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.39/3.56 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.39/3.56 product1 e_4 e_3 e_1 \/ product2 e_2 e_1 e_3
% 3.39/3.56 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.56 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_2 e_1 e_4
% 3.39/3.56 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.39/3.56 product1 e_2 e_3 e_4
% 3.39/3.56 |- ~product1 $X e_1 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product2 e_4 $X e_1
% 3.39/3.56 |- ~product1 e_2 $W e_4 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 e_2 $Z e_4 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 e_2 e_1 $W \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 e_2 e_1 $Z \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 $W e_1 e_4 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 $Z e_1 e_4 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 $X e_3 e_2 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.39/3.56 product1 e_2 e_3 e_3 \/ product2 e_4 $X e_3
% 3.39/3.56 |- ~product1 e_2 $W e_4 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 e_2 $Z e_4 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 e_2 e_3 $W \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 e_2 e_3 $Z \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 $W e_3 e_4 \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 $Z e_3 e_4 \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.39/3.56 product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product1 $X e_3 e_4 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.39/3.56 product1 e_2 e_3 e_3 \/ product2 e_1 $X e_3
% 3.39/3.56 |- ~product1 e_1 e_3 $Z2 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.39/3.56 product1 e_2 e_3 e_3 \/ product2 $Z2 e_4 e_3
% 3.39/3.56 |- ~product1 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- ~product1 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.56 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_3 e_2 e_1
% 3.39/3.56 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_3 e_2 e_4
% 3.39/3.56 |- ~product2 $W e_2 e_4 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.56 product1 e_1 e_4 e_2
% 3.39/3.56 |- ~product2 $Z e_2 e_4 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.56 product1 e_1 e_4 e_2
% 3.39/3.56 |- ~product2 e_3 $W e_4 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.56 product1 e_1 e_4 e_2
% 3.39/3.56 |- ~product2 e_3 $Z e_4 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.56 product1 e_1 e_4 e_2
% 3.39/3.56 |- ~product2 e_3 e_2 $W \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.56 product1 e_1 e_4 e_2
% 3.39/3.56 |- ~product2 e_3 e_2 $Z \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.56 product1 e_1 e_4 e_2
% 3.39/3.56 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_1 e_2 e_4
% 3.39/3.56 |- ~product2 $W e_2 e_4 \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.56 product1 e_2 e_4 e_2
% 3.39/3.56 |- ~product2 $Z e_2 e_4 \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.56 product1 e_2 e_4 e_2
% 3.39/3.56 |- ~product2 e_1 $W e_4 \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.56 product1 e_2 e_4 e_2
% 3.39/3.56 |- ~product2 e_1 $Z e_4 \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.56 product1 e_2 e_4 e_2
% 3.39/3.56 |- ~product2 e_1 e_2 $W \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.56 product1 e_2 e_4 e_2
% 3.39/3.56 |- ~product2 e_1 e_2 $Z \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.56 product1 e_2 e_4 e_2
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_2 e_3 e_1
% 3.39/3.56 |- ~product1 $X e_3 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product2 e_1 $X e_3
% 3.39/3.56 |- ~product1 e_1 e_3 $Z2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product2 $Z2 e_2 e_3
% 3.39/3.56 |- ~product1 e_2 $W e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 e_2 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 e_2 e_3 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 e_2 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 $W e_3 e_1 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- ~product1 $Z e_3 e_1 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_4 e_3 e_1 \/ product2 e_1 e_4 e_3
% 3.39/3.56 |- ~product2 $W e_4 e_3 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 $Z e_4 e_3 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_1 $W e_3 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_1 $Z e_3 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_1 e_4 $W \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product2 e_1 e_4 $Z \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.39/3.56 product1 e_4 e_2 e_1
% 3.39/3.56 |- ~product1 $X e_2 e_4 \/ product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/
% 3.39/3.56 product1 e_3 e_2 e_3 \/ product2 e_1 $X e_2
% 3.39/3.56 |- ~product1 e_1 e_2 $Z2 \/ product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/
% 3.39/3.56 product1 e_3 e_2 e_3 \/ product2 $Z2 e_4 e_2
% 3.39/3.56 |- ~product1 e_4 $W e_1 \/ $W == e_2 \/ product1 e_3 e_2 e_1 \/
% 3.39/3.56 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.56 |- ~product1 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.39/3.56 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.56 |- ~product1 e_4 e_2 $W \/ $W == e_1 \/ product1 e_3 e_2 e_1 \/
% 3.39/3.56 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.56 |- ~product1 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.39/3.56 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.56 |- ~product1 $W e_2 e_1 \/ $W == e_4 \/ product1 e_3 e_2 e_1 \/
% 3.39/3.56 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.56 |- ~product1 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.39/3.56 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.39/3.56 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.39/3.56 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.39/3.56 |- ~product1 $X e_1 e_4 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.39/3.56 product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/ product2 e_2 $X e_1
% 3.39/3.56 |- ~product1 e_2 e_1 $Z2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.39/3.56 product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_1
% 3.39/3.56 |- ~product1 e_4 $W e_2 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 e_4 e_1 $W \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 $W e_1 e_2 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.39/3.56 product1 e_4 e_1 e_1 \/ product1 e_4 e_3 e_1
% 3.39/3.56 |- ~product1 $X e_3 e_4 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.39/3.56 product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/ product2 e_1 $X e_3
% 3.39/3.56 |- ~product1 e_1 e_3 $Z2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.39/3.56 product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_3
% 3.39/3.56 |- ~product1 e_4 $W e_1 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 e_4 e_3 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 $W e_3 e_1 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- ~product1 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.39/3.56 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2
% 3.39/3.56 |- ~product1 $X e_1 e_3 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/ product2 e_2 $X e_1
% 3.39/3.56 |- ~product1 e_2 e_1 $Z2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/ product2 $Z2 e_3 e_1
% 3.39/3.56 |- ~product1 e_3 $W e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 e_3 e_1 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 $W e_1 e_2 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_3 e_1 e_1 \/ product1 e_3 e_4 e_1
% 3.39/3.56 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.56 product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/
% 3.39/3.56 product2 e_2 e_4 e_1
% 3.39/3.56 |- ~product1 $X e_4 e_3 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/ product2 e_1 $X e_4
% 3.39/3.56 |- ~product1 e_1 e_4 $Z2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.39/3.56 product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/ product2 $Z2 e_3 e_4
% 3.39/3.56 |- ~product1 e_3 $W e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 e_3 e_4 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 $W e_4 e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~product1 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.56 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.56 |- ~group_element $_171 \/ product2 e_1 $_171 e_1 \/
% 3.39/3.56 product2 e_1 $_171 e_2 \/ product2 e_1 $_171 e_3 \/
% 3.39/3.56 product2 e_1 $_171 e_4
% 3.39/3.56 |- ~group_element $_171 \/ product2 e_2 $_171 e_1 \/
% 3.39/3.56 product2 e_2 $_171 e_2 \/ product2 e_2 $_171 e_3 \/
% 3.39/3.56 product2 e_2 $_171 e_4
% 3.39/3.56 |- ~group_element $_171 \/ product2 e_3 $_171 e_1 \/
% 3.39/3.56 product2 e_3 $_171 e_2 \/ product2 e_3 $_171 e_3 \/
% 3.39/3.56 product2 e_3 $_171 e_4
% 3.39/3.56 |- ~group_element $_171 \/ product2 e_4 $_171 e_1 \/
% 3.39/3.56 product2 e_4 $_171 e_2 \/ product2 e_4 $_171 e_3 \/
% 3.39/3.56 product2 e_4 $_171 e_4
% 3.39/3.56 |- ~group_element $_170 \/ product2 $_170 e_1 e_1 \/
% 3.39/3.56 product2 $_170 e_1 e_2 \/ product2 $_170 e_1 e_3 \/
% 3.39/3.56 product2 $_170 e_1 e_4
% 3.39/3.56 |- ~group_element $_170 \/ product2 $_170 e_2 e_1 \/
% 3.39/3.56 product2 $_170 e_2 e_2 \/ product2 $_170 e_2 e_3 \/
% 3.39/3.56 product2 $_170 e_2 e_4
% 3.39/3.56 |- ~group_element $_170 \/ product2 $_170 e_3 e_1 \/
% 3.39/3.56 product2 $_170 e_3 e_2 \/ product2 $_170 e_3 e_3 \/
% 3.39/3.56 product2 $_170 e_3 e_4
% 3.39/3.56 |- ~group_element $_170 \/ product2 $_170 e_4 e_1 \/
% 3.39/3.56 product2 $_170 e_4 e_2 \/ product2 $_170 e_4 e_3 \/
% 3.39/3.56 product2 $_170 e_4 e_4
% 3.39/3.56 |- product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/
% 3.39/3.56 product2 e_3 e_1 e_4
% 3.39/3.56 |- product2 e_3 e_2 e_1 \/ product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3 \/
% 3.39/3.56 product2 e_3 e_2 e_4
% 3.39/3.56 |- ~product2 $W e_1 e_4 \/ $W == e_3 \/ product2 e_3 e_1 e_1 \/
% 3.39/3.56 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.39/3.56 |- ~product2 $Z e_1 e_4 \/ e_3 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.39/3.56 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.39/3.56 |- ~product2 e_3 $W e_4 \/ $W == e_1 \/ product2 e_3 e_1 e_1 \/
% 3.39/3.56 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.39/3.56 |- ~product2 e_3 $Z e_4 \/ e_1 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.39/3.56 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.39/3.56 |- ~product2 e_3 e_1 $W \/ $W == e_4 \/ product2 e_3 e_1 e_1 \/
% 3.39/3.56 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.39/3.56 |- ~product2 e_3 e_1 $Z \/ e_4 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.39/3.56 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.39/3.56 |- ~product2 $W e_2 e_4 \/ $W == e_3 \/ product2 e_3 e_2 e_1 \/
% 3.39/3.56 product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3
% 3.39/3.56 |- ~product2 $Z e_2 e_4 \/ e_3 == $Z \/ product2 e_3 e_2 e_1 \/
% 3.39/3.56 product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3
% 3.39/3.56 |- ~product2 e_3 $W e_4 \/ $W == e_2 \/ product2 e_3 e_2 e_1 \/
% 3.39/3.56 product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3
% 3.39/3.56 |- ~product2 e_3 $Z e_4 \/ e_2 == $Z \/ product2 e_3 e_2 e_1 \/
% 3.39/3.56 product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3
% 3.39/3.56 |- ~product2 e_3 e_2 $W \/ $W == e_4 \/ product2 e_3 e_2 e_1 \/
% 3.39/3.56 product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3
% 3.39/3.56 |- ~product2 e_3 e_2 $Z \/ e_4 == $Z \/ product2 e_3 e_2 e_1 \/
% 3.39/3.56 product2 e_3 e_2 e_2 \/ product2 e_3 e_2 e_3
% 3.39/3.56 |- product2 e_3 e_4 e_1 \/ product2 e_3 e_4 e_2
% 3.39/3.56 |- ~product2 $W e_4 e_2 \/ $W == e_3 \/ product2 e_3 e_4 e_1
% 3.39/3.56 |- ~product2 $Z e_4 e_2 \/ e_3 == $Z \/ product2 e_3 e_4 e_1
% 3.39/3.56 |- ~product2 e_3 $W e_2 \/ $W == e_4 \/ product2 e_3 e_4 e_1
% 3.39/3.57 |- ~product2 e_3 $Z e_2 \/ e_4 == $Z \/ product2 e_3 e_4 e_1
% 3.39/3.57 |- ~product2 e_3 e_4 $W \/ $W == e_2 \/ product2 e_3 e_4 e_1
% 3.39/3.57 |- ~product2 e_3 e_4 $Z \/ e_2 == $Z \/ product2 e_3 e_4 e_1
% 3.39/3.57 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1 \/
% 3.39/3.57 product2 e_3 e_1 e_2
% 3.39/3.57 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1 \/
% 3.39/3.57 product2 e_3 e_4 e_1
% 3.39/3.57 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_3 e_1 e_1
% 3.39/3.57 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_3 e_2 e_1
% 3.39/3.57 |- ~product2 $W e_2 e_1 \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 $Z e_2 e_1 \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_3 $W e_1 \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_3 $Z e_1 \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_3 e_2 $W \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_3 e_2 $Z \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2
% 3.39/3.57 |- product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/
% 3.39/3.57 product2 e_2 e_1 e_4
% 3.39/3.57 |- ~product2 $W e_1 e_4 \/ $W == e_2 \/ product2 e_2 e_1 e_1 \/
% 3.39/3.57 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.39/3.57 |- ~product2 $Z e_1 e_4 \/ e_2 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.39/3.57 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.39/3.57 |- ~product2 e_2 $W e_4 \/ $W == e_1 \/ product2 e_2 e_1 e_1 \/
% 3.39/3.57 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.39/3.57 |- ~product2 e_2 $Z e_4 \/ e_1 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.39/3.57 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.39/3.57 |- ~product2 e_2 e_1 $W \/ $W == e_4 \/ product2 e_2 e_1 e_1 \/
% 3.39/3.57 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.39/3.57 |- ~product2 e_2 e_1 $Z \/ e_4 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.39/3.57 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.39/3.57 |- product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2 \/ product2 e_4 e_1 e_3
% 3.39/3.57 |- ~product2 $W e_1 e_3 \/ $W == e_4 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 $Z e_1 e_3 \/ e_4 == $Z \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 $W e_3 \/ $W == e_1 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 $Z e_3 \/ e_1 == $Z \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 e_1 $W \/ $W == e_3 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 e_1 $Z \/ e_3 == $Z \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.39/3.57 product2 e_1 e_2 e_4
% 3.39/3.57 |- product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/
% 3.39/3.57 product2 e_1 e_3 e_4
% 3.39/3.57 |- ~product2 $W e_2 e_4 \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- ~product2 $Z e_2 e_4 \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- ~product2 e_1 $W e_4 \/ $W == e_2 \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- ~product2 e_1 $Z e_4 \/ e_2 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- ~product2 e_1 e_2 $W \/ $W == e_4 \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- ~product2 e_1 e_2 $Z \/ e_4 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.39/3.57 |- ~product2 $W e_3 e_4 \/ $W == e_1 \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.39/3.57 |- ~product2 $Z e_3 e_4 \/ e_1 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.39/3.57 |- ~product2 e_1 $W e_4 \/ $W == e_3 \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.39/3.57 |- ~product2 e_1 $Z e_4 \/ e_3 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.39/3.57 |- ~product2 e_1 e_3 $W \/ $W == e_4 \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.39/3.57 |- ~product2 e_1 e_3 $Z \/ e_4 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.39/3.57 |- product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2 \/ product2 e_1 e_4 e_3
% 3.39/3.57 |- ~product2 $W e_4 e_3 \/ $W == e_1 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 $Z e_4 e_3 \/ e_1 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_1 $W e_3 \/ $W == e_4 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_1 $Z e_3 \/ e_4 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_1 e_4 $W \/ $W == e_3 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_1 e_4 $Z \/ e_3 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 $W e_2 e_3 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- ~product2 $Z e_2 e_3 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- ~product2 e_1 $W e_3 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- ~product2 e_1 $Z e_3 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- ~product2 e_1 e_2 $W \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- ~product2 e_1 e_2 $Z \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_1 e_3 e_2
% 3.39/3.57 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- product2 e_2 e_3 e_1 \/ product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3 \/
% 3.39/3.57 product2 e_2 e_3 e_4
% 3.39/3.57 |- ~product2 $W e_3 e_4 \/ $W == e_2 \/ product2 e_2 e_3 e_1 \/
% 3.39/3.57 product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3
% 3.39/3.57 |- ~product2 $Z e_3 e_4 \/ e_2 == $Z \/ product2 e_2 e_3 e_1 \/
% 3.39/3.57 product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3
% 3.39/3.57 |- ~product2 e_2 $W e_4 \/ $W == e_3 \/ product2 e_2 e_3 e_1 \/
% 3.39/3.57 product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3
% 3.39/3.57 |- ~product2 e_2 $Z e_4 \/ e_3 == $Z \/ product2 e_2 e_3 e_1 \/
% 3.39/3.57 product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3
% 3.39/3.57 |- ~product2 e_2 e_3 $W \/ $W == e_4 \/ product2 e_2 e_3 e_1 \/
% 3.39/3.57 product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3
% 3.39/3.57 |- ~product2 e_2 e_3 $Z \/ e_4 == $Z \/ product2 e_2 e_3 e_1 \/
% 3.39/3.57 product2 e_2 e_3 e_2 \/ product2 e_2 e_3 e_3
% 3.39/3.57 |- product2 e_2 e_4 e_1 \/ product2 e_2 e_4 e_2 \/ product2 e_2 e_4 e_3
% 3.39/3.57 |- ~product2 $W e_4 e_3 \/ $W == e_2 \/ product2 e_2 e_4 e_1 \/
% 3.39/3.57 product2 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 $Z e_4 e_3 \/ e_2 == $Z \/ product2 e_2 e_4 e_1 \/
% 3.39/3.57 product2 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 $W e_3 \/ $W == e_4 \/ product2 e_2 e_4 e_1 \/
% 3.39/3.57 product2 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 $Z e_3 \/ e_4 == $Z \/ product2 e_2 e_4 e_1 \/
% 3.39/3.57 product2 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 e_4 $W \/ $W == e_3 \/ product2 e_2 e_4 e_1 \/
% 3.39/3.57 product2 e_2 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 e_4 $Z \/ e_3 == $Z \/ product2 e_2 e_4 e_1 \/
% 3.39/3.57 product2 e_2 e_4 e_2
% 3.39/3.57 |- product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2 \/ product2 e_2 e_4 e_1
% 3.39/3.57 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.39/3.57 product2 e_1 e_4 e_2
% 3.39/3.57 |- product2 e_4 e_2 e_1 \/ product2 e_4 e_2 e_2 \/ product2 e_4 e_2 e_3
% 3.39/3.57 |- ~product2 $W e_2 e_3 \/ $W == e_4 \/ product2 e_4 e_2 e_1 \/
% 3.39/3.57 product2 e_4 e_2 e_2
% 3.39/3.57 |- ~product2 $Z e_2 e_3 \/ e_4 == $Z \/ product2 e_4 e_2 e_1 \/
% 3.39/3.57 product2 e_4 e_2 e_2
% 3.39/3.57 |- ~product2 e_4 $W e_3 \/ $W == e_2 \/ product2 e_4 e_2 e_1 \/
% 3.39/3.57 product2 e_4 e_2 e_2
% 3.39/3.57 |- ~product2 e_4 $Z e_3 \/ e_2 == $Z \/ product2 e_4 e_2 e_1 \/
% 3.39/3.57 product2 e_4 e_2 e_2
% 3.39/3.57 |- ~product2 e_4 e_2 $W \/ $W == e_3 \/ product2 e_4 e_2 e_1 \/
% 3.39/3.57 product2 e_4 e_2 e_2
% 3.39/3.57 |- ~product2 e_4 e_2 $Z \/ e_3 == $Z \/ product2 e_4 e_2 e_1 \/
% 3.39/3.57 product2 e_4 e_2 e_2
% 3.39/3.57 |- product2 e_4 e_3 e_1 \/ product2 e_4 e_3 e_2
% 3.39/3.57 |- ~product2 $W e_3 e_2 \/ $W == e_4 \/ product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 $Z e_3 e_2 \/ e_4 == $Z \/ product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 $W e_2 \/ $W == e_3 \/ product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 $Z e_2 \/ e_3 == $Z \/ product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 e_3 $W \/ $W == e_2 \/ product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 e_3 $Z \/ e_2 == $Z \/ product2 e_4 e_3 e_1
% 3.39/3.57 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1 \/
% 3.39/3.57 product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_1 e_3 e_1
% 3.39/3.57 |- product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2 \/ product2 e_4 e_2 e_1
% 3.39/3.57 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_1 e_2
% 3.39/3.57 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.57 product2 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.39/3.57 product1 e_2 e_4 e_2 \/ product2 e_4 e_1 e_1
% 3.39/3.57 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.57 product1 e_4 e_3 e_1 \/ product2 e_2 e_4 e_1
% 3.39/3.57 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.57 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.57 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.57 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.57 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.57 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.57 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.39/3.57 product1 e_4 e_3 e_1 \/ product2 e_2 e_4 e_1
% 3.39/3.57 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.57 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.57 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.57 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.57 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.39/3.57 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.39/3.57 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.39/3.57 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/
% 3.39/3.57 product2 e_1 e_2 e_2 \/ product2 e_4 e_2 e_1
% 3.39/3.57 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.57 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.57 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.58 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.58 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.58 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.58 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.39/3.58 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.58 product2 e_1 e_4 e_2
% 3.39/3.58 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1 \/
% 3.39/3.58 product2 e_3 e_4 e_1
% 3.39/3.58 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product2 e_1 e_4 e_1
% 3.39/3.58 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.58 product1 e_3 e_1 e_1 \/ product2 e_4 e_3 e_1
% 3.39/3.58 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.58 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.58 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.58 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.58 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.58 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1
% 3.39/3.58 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.58 product1 e_3 e_1 e_1 \/ product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.39/3.58 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.39/3.58 |- ~product1 $X e_1 e_2 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.39/3.58 product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product2 e_3 $X e_1
% 3.39/3.58 |- ~product1 e_2 $W e_3 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2
% 3.39/3.58 |- ~product1 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2
% 3.39/3.58 |- ~product1 e_2 e_1 $W \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2
% 3.39/3.58 |- ~product1 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2
% 3.39/3.58 |- ~product1 $W e_1 e_3 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2
% 3.39/3.58 |- ~product1 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.39/3.58 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2
% 3.39/3.58 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.58 product1 e_4 e_2 e_2
% 3.39/3.58 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.58 product1 e_4 e_2 e_2
% 3.39/3.58 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.58 product1 e_4 e_2 e_2
% 3.39/3.58 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.58 product1 e_4 e_2 e_2
% 3.39/3.58 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.58 product1 e_4 e_2 e_2
% 3.39/3.58 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.39/3.58 product1 e_4 e_2 e_2
% 3.39/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.39/3.58 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_3 e_4 e_1
% 3.39/3.58 |- ~product2 $W e_2 e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.58 product1 e_4 e_1 e_2
% 3.39/3.58 |- ~product2 $Z e_2 e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.58 product1 e_4 e_1 e_2
% 3.39/3.58 |- ~product2 e_3 $W e_1 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.58 product1 e_4 e_1 e_2
% 3.39/3.58 |- ~product2 e_3 $Z e_1 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.58 product1 e_4 e_1 e_2
% 3.39/3.58 |- ~product2 e_3 e_2 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.58 product1 e_4 e_1 e_2
% 3.39/3.58 |- ~product2 e_3 e_2 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.39/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.39/3.58 product1 e_4 e_1 e_2
% 3.39/3.58 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.39/3.58 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1 \/
% 3.39/3.58 product2 e_4 e_1 e_2
% 3.39/3.58 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.39/3.58 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.39/3.58 |- ~product1 $X e_1 e_4 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.39/3.58 product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1 \/ product2 e_2 $X e_1
% 3.39/3.58 |- ~product1 e_2 e_1 $Z2 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.39/3.58 product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_1
% 3.39/3.58 |- ~product1 e_4 $W e_2 \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.58 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.58 |- ~product1 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.58 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.58 |- ~product1 e_4 e_1 $W \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.58 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.58 |- ~product1 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.58 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.58 |- ~product1 $W e_1 e_2 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.39/3.58 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.58 |- ~product1 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.39/3.58 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_1 e_1
% 3.39/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.39/3.58 product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2
% 3.39/3.58 |- ~product1 $X e_3 e_1 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.39/3.58 product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/ product2 e_2 $X e_3
% 3.39/3.58 |- ~product1 e_1 $W e_2 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.39/3.58 |- ~product1 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.39/3.58 |- ~product1 e_1 e_3 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.39/3.58 |- ~product1 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.39/3.58 |- ~product1 $W e_3 e_2 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.39/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- ~product1 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_1 e_3 e_1 \/ product1 e_4 e_3 e_1
% 3.42/3.58 |- ~product1 $X e_3 e_4 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/ product2 e_1 $X e_3
% 3.42/3.58 |- ~product1 e_1 e_3 $Z2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/ product2 $Z2 e_4 e_3
% 3.42/3.58 |- ~product1 e_4 $W e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- ~product1 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- ~product1 e_4 e_3 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- ~product1 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- ~product1 $W e_3 e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- ~product1 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_3 e_2 e_1
% 3.42/3.58 |- ~product1 $X e_2 e_3 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product2 e_1 $X e_2
% 3.42/3.58 |- ~product1 e_1 e_2 $Z2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product2 $Z2 e_3 e_2
% 3.42/3.58 |- ~product1 e_3 $W e_1 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 e_3 $Z e_1 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 e_3 e_2 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 e_3 e_2 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 $W e_2 e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 $Z e_2 e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_1 e_4 e_2
% 3.42/3.58 |- ~product1 $X e_1 e_4 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1 \/ product2 e_2 $X e_1
% 3.42/3.58 |- ~product1 e_2 e_1 $Z2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_1
% 3.42/3.58 |- ~product1 e_4 $W e_2 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 e_4 e_1 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 $W e_1 e_2 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_4 e_1 e_1 \/ product1 e_4 e_3 e_1
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_2 e_4 e_1
% 3.42/3.58 |- ~product1 $X e_4 e_2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product2 e_1 $X e_4
% 3.42/3.58 |- ~product1 e_1 e_4 $Z2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product2 $Z2 e_2 e_4
% 3.42/3.58 |- ~product1 e_2 $W e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 e_2 e_4 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 $W e_4 e_1 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- ~product1 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.58 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.58 product1 e_3 e_4 e_1 \/ product2 e_1 e_3 e_4
% 3.42/3.58 |- ~product2 $W e_3 e_4 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.58 |- ~product2 $Z e_3 e_4 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.58 |- ~product2 e_1 $W e_4 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.58 |- ~product2 e_1 $Z e_4 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.58 |- ~product2 e_1 e_3 $W \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.58 |- ~product2 e_1 e_3 $Z \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.58 |- ~product1 $X e_3 e_4 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1 \/ product2 e_1 $X e_3
% 3.42/3.58 |- ~product1 e_1 e_3 $Z2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.58 product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_3
% 3.42/3.58 |- ~product1 e_4 $W e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 e_4 e_3 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 $W e_3 e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product1 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.58 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.58 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.58 product2 e_4 e_1 e_1
% 3.42/3.58 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.58 product2 e_4 e_1 e_1
% 3.42/3.58 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.58 product2 e_4 e_1 e_1
% 3.42/3.58 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.58 product2 e_4 e_1 e_1
% 3.42/3.58 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.58 product2 e_4 e_1 e_1
% 3.42/3.58 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.58 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.58 product2 e_4 e_1 e_1
% 3.42/3.58 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.58 product1 e_2 e_3 e_1
% 3.42/3.58 |- ~product1 $X e_3 e_2 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.58 product1 e_1 e_3 e_3 \/ product2 e_1 $X e_3
% 3.42/3.58 |- ~product1 e_1 e_3 $Z2 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.58 product1 e_1 e_3 e_3 \/ product2 $Z2 e_2 e_3
% 3.42/3.58 |- ~product1 e_2 $W e_1 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.58 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.58 |- ~product1 e_2 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.58 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.58 |- ~product1 e_2 e_3 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.58 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.58 |- ~product1 e_2 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.58 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.58 |- ~product1 $W e_3 e_1 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.58 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.58 |- ~product1 $Z e_3 e_1 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.58 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.58 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.58 product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2
% 3.42/3.58 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.58 product1 e_4 e_3 e_1 \/ product2 e_1 e_4 e_3
% 3.42/3.59 |- ~product1 $X e_4 e_1 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.59 product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/ product2 e_2 $X e_4
% 3.42/3.59 |- ~product1 e_1 $W e_2 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 e_1 e_4 $W \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 $W e_4 e_2 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.59 product1 e_1 e_4 e_1 \/ product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/
% 3.42/3.59 product2 e_3 e_1 e_4
% 3.42/3.59 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.59 product1 e_1 e_4 e_1 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 $W e_4 e_3 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.42/3.59 |- ~product2 $Z e_4 e_3 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.42/3.59 |- ~product2 e_1 $W e_3 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.42/3.59 |- ~product2 e_1 $Z e_3 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.42/3.59 |- ~product2 e_1 e_4 $W \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.42/3.59 |- ~product2 e_1 e_4 $Z \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_4 e_3 e_1
% 3.42/3.59 |- ~product1 $X e_4 e_3 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.59 product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/ product2 e_1 $X e_4
% 3.42/3.59 |- ~product1 e_1 e_4 $Z2 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.59 product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/ product2 $Z2 e_3 e_4
% 3.42/3.59 |- ~product1 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- ~product1 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.42/3.59 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.59 product2 e_4 e_3 e_2
% 3.42/3.59 |- ~product2 $W e_3 e_2 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.59 |- ~product2 $Z e_3 e_2 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.59 |- ~product2 e_4 $W e_2 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.59 |- ~product2 e_4 $Z e_2 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.59 |- ~product2 e_4 e_3 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.59 |- ~product2 e_4 e_3 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3
% 3.42/3.59 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/
% 3.42/3.59 product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2
% 3.42/3.59 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/
% 3.42/3.59 product2 e_3 e_1 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.59 |- product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3 \/
% 3.42/3.59 product2 e_2 e_3 e_1
% 3.42/3.59 |- ~product2 $W e_3 e_1 \/ $W == e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- ~product2 $Z e_3 e_1 \/ e_2 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- ~product2 e_2 $W e_1 \/ $W == e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- ~product2 e_2 $Z e_1 \/ e_3 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- ~product2 e_2 e_3 $W \/ $W == e_1 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- ~product2 e_2 e_3 $Z \/ e_1 == $Z \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.59 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.59 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.59 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.59 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.59 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.59 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.59 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.59 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.59 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.59 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.59 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.59 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.59 |- product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.59 product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.42/3.59 |- product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/
% 3.42/3.59 product2 e_2 e_3 e_1
% 3.42/3.59 |- ~product2 $W e_3 e_1 \/ $W == e_2 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 $Z e_3 e_1 \/ e_2 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_2 $W e_1 \/ $W == e_3 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_2 $Z e_1 \/ e_3 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_2 e_3 $W \/ $W == e_1 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_2 e_3 $Z \/ e_1 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3
% 3.42/3.59 |- product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/
% 3.42/3.59 product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2
% 3.42/3.59 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/
% 3.42/3.59 product2 e_1 e_4 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.59 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.59 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1 \/
% 3.42/3.59 product2 e_2 e_3 e_1
% 3.42/3.59 |- ~product2 $W e_3 e_1 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.59 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 $Z e_3 e_1 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.59 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 $W e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.59 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.59 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 e_3 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.59 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.59 product1 e_1 e_4 e_2 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.59 product2 e_4 e_2 e_3
% 3.42/3.59 |- ~product2 $W e_2 e_3 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 $Z e_2 e_3 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_4 $W e_3 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_4 $Z e_3 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_4 e_2 $W \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.59 |- ~product2 e_4 e_2 $Z \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3
% 3.42/3.59 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.59 product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.42/3.59 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.59 product2 e_4 e_1 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.59 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.59 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.59 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.59 product1 e_3 e_4 e_1 \/ product2 e_2 e_3 e_1
% 3.42/3.59 |- ~product2 $W e_3 e_1 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 $Z e_3 e_1 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 $W e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 e_3 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 e_2 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.59 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.59 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.59 product1 e_4 e_2 e_2
% 3.42/3.59 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.59 product1 e_3 e_2 e_1
% 3.42/3.60 |- ~product1 $X e_2 e_3 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.60 product1 e_3 e_1 e_3 \/ product2 e_1 $X e_2
% 3.42/3.60 |- ~product1 e_1 e_2 $Z2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.60 product1 e_3 e_1 e_3 \/ product2 $Z2 e_3 e_2
% 3.42/3.60 |- ~product1 e_3 $W e_1 \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.60 |- ~product1 e_3 $Z e_1 \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.60 |- ~product1 e_3 e_2 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.60 |- ~product1 e_3 e_2 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.60 |- ~product1 $W e_2 e_1 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.60 |- ~product1 $Z e_2 e_1 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.60 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.60 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_1 e_4 e_2
% 3.42/3.60 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2
% 3.42/3.60 |- ~product1 $X e_1 e_3 \/ product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/
% 3.42/3.60 product1 e_3 e_1 e_1 \/ product2 e_2 $X e_1
% 3.42/3.60 |- ~product1 e_2 e_1 $Z2 \/ product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/
% 3.42/3.60 product1 e_3 e_1 e_1 \/ product2 $Z2 e_3 e_1
% 3.42/3.60 |- ~product1 e_3 $W e_2 \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1
% 3.42/3.60 |- ~product1 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1
% 3.42/3.60 |- ~product1 e_3 e_1 $W \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1
% 3.42/3.60 |- ~product1 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1
% 3.42/3.60 |- ~product1 $W e_1 e_2 \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1
% 3.42/3.60 |- ~product1 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1
% 3.42/3.60 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_2 e_4 e_1
% 3.42/3.60 |- product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/
% 3.42/3.60 product2 e_3 e_2 e_1
% 3.42/3.60 |- ~product2 $W e_2 e_1 \/ $W == e_3 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.42/3.60 |- ~product2 $Z e_2 e_1 \/ e_3 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.42/3.60 |- ~product2 e_3 $W e_1 \/ $W == e_2 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.42/3.60 |- ~product2 e_3 $Z e_1 \/ e_2 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.42/3.60 |- ~product2 e_3 e_2 $W \/ $W == e_1 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.42/3.60 |- ~product2 e_3 e_2 $Z \/ e_1 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3
% 3.42/3.60 |- product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/
% 3.42/3.60 product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/
% 3.42/3.60 product2 e_4 e_1 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.60 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product2 e_3 e_1 e_1 \/
% 3.42/3.60 product2 e_3 e_1 e_2 \/ product2 e_3 e_1 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.60 product2 e_3 e_2 e_1
% 3.42/3.60 |- ~product2 $W e_2 e_1 \/ $W == e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- ~product2 $Z e_2 e_1 \/ e_3 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- ~product2 e_3 $W e_1 \/ $W == e_2 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- ~product2 e_3 $Z e_1 \/ e_2 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- ~product2 e_3 e_2 $W \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- ~product2 e_3 e_2 $Z \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.60 product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.60 product2 e_4 e_1 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.60 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.60 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.60 product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2
% 3.42/3.60 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.60 product2 e_1 e_3 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.60 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.60 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.60 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_3 e_4 e_1
% 3.42/3.60 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.60 product1 e_1 e_3 e_1 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.42/3.60 product1 e_2 e_3 e_3 \/ product2 e_4 e_1 e_3
% 3.42/3.60 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.60 product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3
% 3.42/3.60 |- ~product1 $X e_1 e_2 \/ product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/
% 3.42/3.60 product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_3 $X e_1
% 3.42/3.60 |- ~product1 e_2 $W e_3 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2
% 3.42/3.60 |- ~product1 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2
% 3.42/3.60 |- ~product1 e_2 e_1 $W \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2
% 3.42/3.60 |- ~product1 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2
% 3.42/3.60 |- ~product1 $W e_1 e_3 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2
% 3.42/3.60 |- ~product1 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2
% 3.42/3.60 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.60 product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product2 e_4 e_2 e_1
% 3.42/3.60 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.60 product1 e_3 e_1 e_3 \/ product2 e_4 e_2 e_1
% 3.42/3.60 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.60 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.60 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.60 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.60 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.60 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.60 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1
% 3.42/3.60 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.60 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1
% 3.42/3.60 |- product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.60 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.60 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.60 |- ~product2 $W e_2 e_3 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2
% 3.42/3.60 |- ~product2 $Z e_2 e_3 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 $W e_3 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 $Z e_3 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 e_2 $W \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2
% 3.42/3.60 |- ~product2 e_1 e_2 $Z \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.60 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.60 product2 e_1 e_2 e_2
% 3.42/3.60 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.60 product1 e_4 e_3 e_1 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_2 e_1 e_3
% 3.42/3.60 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.60 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.60 product1 e_4 e_2 e_2
% 3.42/3.60 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.60 product1 e_2 e_4 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.60 product1 e_4 e_1 e_2
% 3.42/3.60 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.60 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.60 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.60 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.60 product1 e_4 e_3 e_1 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.60 product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.42/3.60 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.60 product1 e_3 e_2 e_1
% 3.42/3.60 |- ~product1 $X e_2 e_3 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.42/3.60 product1 e_2 e_3 e_3 \/ product2 e_1 $X e_2
% 3.42/3.60 |- ~product1 e_1 e_2 $Z2 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.42/3.60 product1 e_2 e_3 e_3 \/ product2 $Z2 e_3 e_2
% 3.42/3.60 |- ~product1 e_3 $W e_1 \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.60 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 e_3 $Z e_1 \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 e_3 e_2 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 e_3 e_2 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 $W e_2 e_1 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 $Z e_2 e_1 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_1 e_4 e_2
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product1 e_2 e_4 e_1
% 3.42/3.61 |- ~product1 $X e_4 e_2 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.42/3.61 product1 e_2 e_3 e_3 \/ product2 e_1 $X e_4
% 3.42/3.61 |- ~product1 e_1 e_4 $Z2 \/ product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/
% 3.42/3.61 product1 e_2 e_3 e_3 \/ product2 $Z2 e_2 e_4
% 3.42/3.61 |- ~product1 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product1 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product1 e_3 e_4 e_1 \/ product2 e_1 e_3 e_4
% 3.42/3.61 |- ~product2 $W e_3 e_4 \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 $Z e_3 e_4 \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 $W e_4 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 $Z e_4 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 e_3 $W \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 e_3 $Z \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.61 product1 e_4 e_2 e_2
% 3.42/3.61 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.61 product1 e_4 e_2 e_2
% 3.42/3.61 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.61 product1 e_4 e_2 e_2
% 3.42/3.61 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.61 product1 e_4 e_2 e_2
% 3.42/3.61 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.61 product1 e_4 e_2 e_2
% 3.42/3.61 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.61 product1 e_4 e_2 e_2
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_3 e_4 e_1
% 3.42/3.61 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.61 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.61 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3
% 3.42/3.61 |- product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.61 product2 e_2 e_1 e_2 \/ product2 e_2 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.61 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.61 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.61 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.61 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.61 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_4 e_1 \/
% 3.42/3.61 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_4 e_1 \/
% 3.42/3.61 product1 e_2 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.61 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.61 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_4 e_1 e_1
% 3.42/3.61 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.61 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_4 e_1 e_1
% 3.42/3.61 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.61 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_4 e_1 e_1
% 3.42/3.61 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.61 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_4 e_1 e_1
% 3.42/3.61 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product2 e_1 e_4 e_1 \/
% 3.42/3.61 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_4 e_1 e_1
% 3.42/3.61 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product2 e_1 e_4 e_1 \/
% 3.42/3.61 product2 e_1 e_4 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_4 e_1 e_1
% 3.42/3.61 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.61 product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2
% 3.42/3.61 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.61 product2 e_3 e_1 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.61 product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2
% 3.42/3.61 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.61 product2 e_1 e_4 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.61 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.61 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.61 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.61 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.61 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2
% 3.42/3.61 |- ~product1 $X e_1 e_3 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.61 product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/ product2 e_2 $X e_1
% 3.42/3.61 |- ~product1 e_2 e_1 $Z2 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.61 product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/ product2 $Z2 e_3 e_1
% 3.42/3.61 |- ~product1 e_3 $W e_2 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 e_3 e_1 $W \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 $W e_1 e_2 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.61 product1 e_3 e_1 e_1 \/ product1 e_3 e_4 e_1
% 3.42/3.61 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.61 product1 e_3 e_1 e_1 \/ product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/
% 3.42/3.61 product2 e_2 e_4 e_1
% 3.42/3.61 |- ~product1 $X e_4 e_3 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.61 product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/ product2 e_1 $X e_4
% 3.42/3.61 |- ~product1 e_1 e_4 $Z2 \/ product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/
% 3.42/3.61 product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/ product2 $Z2 e_3 e_4
% 3.42/3.61 |- ~product1 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- ~product1 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.61 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1
% 3.42/3.61 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.61 product1 e_3 e_1 e_1 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.61 product2 e_2 e_1 e_3
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product2 e_1 e_2 e_3
% 3.42/3.61 |- ~product2 $W e_2 e_3 \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 $Z e_2 e_3 \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_1 $W e_3 \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_1 $Z e_3 \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_1 e_2 $W \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_1 e_2 $Z \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product2 e_4 e_2 e_1
% 3.42/3.61 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.61 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product2 e_1 e_4 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_1 e_4 e_1
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2
% 3.42/3.61 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.61 product2 e_3 e_1 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.61 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.61 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.61 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.61 product1 e_3 e_1 e_1 \/ product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2
% 3.42/3.61 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product2 e_1 e_3 e_1
% 3.42/3.61 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product2 e_1 e_3 e_1
% 3.42/3.61 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.61 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.61 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 $W e_1 e_3 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.62 |- ~product2 $Z e_1 e_3 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.62 |- ~product2 e_4 $W e_3 \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.62 |- ~product2 e_4 $Z e_3 \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.62 |- ~product2 e_4 e_1 $W \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.62 |- ~product2 e_4 e_1 $Z \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3
% 3.42/3.62 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.62 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.62 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.62 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1 \/
% 3.42/3.62 product2 e_4 e_3 e_1
% 3.42/3.62 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.62 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_4 e_2 e_1
% 3.42/3.62 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2
% 3.42/3.62 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2
% 3.42/3.62 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2
% 3.42/3.62 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2
% 3.42/3.62 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2
% 3.42/3.62 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.62 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.62 product2 e_1 e_2 e_2
% 3.42/3.62 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.62 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.42/3.62 product2 e_1 e_3 e_2
% 3.42/3.62 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.42/3.62 product2 e_4 e_3 e_1
% 3.42/3.62 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3
% 3.42/3.62 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.42/3.62 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.42/3.62 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.42/3.62 product2 e_4 e_1 e_1 \/ product2 e_4 e_1 e_2
% 3.42/3.62 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_4 e_1 e_1
% 3.42/3.62 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_3 e_2 e_1
% 3.42/3.62 |- ~product1 $X e_2 e_3 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.42/3.62 product2 e_1 $X e_2
% 3.42/3.62 |- ~product1 e_1 e_2 $Z2 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.42/3.62 product2 $Z2 e_3 e_2
% 3.42/3.62 |- ~product1 e_3 $W e_1 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2
% 3.42/3.62 |- ~product1 e_3 $Z e_1 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2
% 3.42/3.62 |- ~product1 e_3 e_2 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2
% 3.42/3.62 |- ~product1 e_3 e_2 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2
% 3.42/3.62 |- ~product1 $W e_2 e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2
% 3.42/3.62 |- ~product1 $Z e_2 e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2
% 3.42/3.62 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_1 e_2
% 3.42/3.62 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2 \/ product2 e_1 e_4 e_2
% 3.42/3.62 |- ~product1 $X e_1 e_4 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.42/3.62 product1 e_4 e_1 e_1 \/ product2 e_2 $X e_1
% 3.42/3.62 |- ~product1 e_2 e_1 $Z2 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.42/3.62 product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_1
% 3.42/3.62 |- ~product1 e_4 $W e_2 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 e_4 e_1 $W \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 $W e_1 e_2 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.62 product1 e_4 e_3 e_1
% 3.42/3.62 |- ~product1 $X e_3 e_4 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.42/3.62 product1 e_4 e_1 e_1 \/ product2 e_1 $X e_3
% 3.42/3.62 |- ~product1 e_1 e_3 $Z2 \/ product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/
% 3.42/3.62 product1 e_4 e_1 e_1 \/ product2 $Z2 e_4 e_3
% 3.42/3.62 |- ~product1 e_4 $W e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 e_4 e_3 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 $W e_3 e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product1 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_1 e_1
% 3.42/3.62 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.62 product1 e_4 e_2 e_2 \/ product2 e_3 e_4 e_1
% 3.42/3.62 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.62 product1 e_1 e_4 e_2 \/ product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2
% 3.42/3.62 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.62 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.62 product2 e_2 e_1 e_2
% 3.42/3.62 |- product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/
% 3.42/3.62 product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2
% 3.42/3.62 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/
% 3.42/3.62 product2 e_3 e_1 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.62 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product2 e_1 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_2 \/ product2 e_1 e_3 e_3 \/ product2 e_3 e_1 e_1
% 3.42/3.62 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.62 product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2
% 3.42/3.62 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.62 product2 e_1 e_3 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.62 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.62 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_1 e_3 e_1
% 3.42/3.62 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.62 product1 e_4 e_3 e_1 \/ product2 e_1 e_3 e_1 \/ product2 e_1 e_3 e_2
% 3.42/3.62 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.62 product1 e_4 e_3 e_1 \/ product2 e_1 e_3 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.62 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.62 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.62 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.62 product2 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1
% 3.42/3.63 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.63 product1 e_4 e_3 e_1 \/ product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 $W e_1 e_4 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2
% 3.42/3.63 |- ~product2 $Z e_1 e_4 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2
% 3.42/3.63 |- ~product2 e_3 $W e_4 \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2
% 3.42/3.63 |- ~product2 e_3 $Z e_4 \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2
% 3.42/3.63 |- ~product2 e_3 e_1 $W \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2
% 3.42/3.63 |- ~product2 e_3 e_1 $Z \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1 \/
% 3.42/3.63 product1 e_2 e_4 e_1 \/ product1 e_2 e_4 e_2
% 3.42/3.63 |- product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_4 e_1
% 3.42/3.63 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.63 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.63 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.63 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.63 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product2 e_1 e_2 e_1 \/
% 3.42/3.63 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product2 e_1 e_2 e_1 \/
% 3.42/3.63 product2 e_1 e_2 e_2 \/ product2 e_1 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_4 e_1
% 3.42/3.63 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.42/3.63 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2
% 3.42/3.63 |- ~product2 $W e_2 e_3 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.42/3.63 |- ~product2 $Z e_2 e_3 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.42/3.63 |- ~product2 e_1 $W e_3 \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.42/3.63 |- ~product2 e_1 $Z e_3 \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.42/3.63 |- ~product2 e_1 e_2 $W \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.42/3.63 |- ~product2 e_1 e_2 $Z \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.42/3.63 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.42/3.63 product1 e_1 e_3 e_1 \/ product2 e_2 e_4 e_3
% 3.42/3.63 |- ~product2 $W e_4 e_3 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 $Z e_4 e_3 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 e_2 $W e_3 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 e_2 $Z e_3 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 e_2 e_4 $W \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.63 |- ~product2 e_2 e_4 $Z \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_1 e_3 e_1
% 3.42/3.63 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.63 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_3 e_1 e_2
% 3.42/3.63 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1
% 3.42/3.63 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1
% 3.42/3.63 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1
% 3.42/3.63 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1
% 3.42/3.63 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1
% 3.42/3.63 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.42/3.63 product1 e_4 e_2 e_2 \/ product2 e_3 e_1 e_1
% 3.42/3.63 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.42/3.63 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/
% 3.42/3.63 product1 e_3 e_1 e_3
% 3.42/3.63 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.63 product1 e_4 e_3 e_1 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.63 product2 e_4 e_1 e_1 \/ product2 e_4 e_3 e_1
% 3.42/3.63 |- ~product2 $W e_1 e_2 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 $Z e_1 e_2 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 $W e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 $Z e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 e_1 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_4 e_1 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.42/3.63 product2 e_1 e_3 e_1 \/ product2 e_4 e_1 e_1
% 3.42/3.63 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product2 e_2 e_3 e_1
% 3.42/3.63 |- ~product2 $W e_3 e_1 \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 $Z e_3 e_1 \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_2 $Z e_1 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_2 e_3 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.63 |- ~product2 e_2 e_3 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1
% 3.42/3.63 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product2 e_1 e_4 e_1 \/ product2 e_1 e_4 e_2
% 3.42/3.63 |- ~product2 $W e_4 e_2 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 $Z e_4 e_2 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_1 $W e_2 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_1 $Z e_2 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_1 e_4 $W \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_1 e_4 $Z \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.42/3.63 product1 e_4 e_1 e_1 \/ product2 e_1 e_4 e_1 \/ product2 e_3 e_4 e_1
% 3.42/3.63 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.42/3.63 product2 e_1 e_4 e_1
% 3.42/3.63 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.42/3.63 product1 e_3 e_1 e_1 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/
% 3.42/3.63 product2 e_2 e_4 e_1
% 3.42/3.63 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.42/3.63 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_3 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.42/3.63 |- product1 e_3 e_2 e_1 \/ product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/
% 3.42/3.63 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_2 e_4 e_1
% 3.42/3.63 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.63 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.63 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.63 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.63 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_3 e_2 e_1 \/
% 3.42/3.63 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_3 e_2 e_1 \/
% 3.42/3.63 product1 e_3 e_2 e_2 \/ product1 e_3 e_2 e_3 \/ product2 e_2 e_1 e_1 \/
% 3.42/3.63 product2 e_2 e_1 e_2
% 3.42/3.63 |- product1 e_2 e_3 e_1 \/ product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/
% 3.42/3.63 product1 e_3 e_4 e_1 \/ product2 e_2 e_3 e_1
% 3.42/3.63 |- ~product2 $W e_3 e_1 \/ $W == e_2 \/ product1 e_2 e_3 e_1 \/
% 3.42/3.63 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.42/3.63 |- ~product2 $Z e_3 e_1 \/ e_2 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.42/3.63 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.47/3.63 |- ~product2 e_2 $W e_1 \/ $W == e_3 \/ product1 e_2 e_3 e_1 \/
% 3.47/3.63 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.47/3.63 |- ~product2 e_2 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.47/3.63 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.47/3.63 |- ~product2 e_2 e_3 $W \/ $W == e_1 \/ product1 e_2 e_3 e_1 \/
% 3.47/3.63 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.47/3.63 |- ~product2 e_2 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_3 e_1 \/
% 3.47/3.63 product1 e_2 e_3 e_2 \/ product1 e_2 e_3 e_3 \/ product1 e_3 e_4 e_1
% 3.47/3.63 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.47/3.63 product1 e_4 e_1 e_1 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/
% 3.47/3.63 product2 e_1 e_2 e_3
% 3.47/3.63 |- ~product2 $W e_2 e_3 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.63 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.63 |- ~product2 $Z e_2 e_3 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.63 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.63 |- ~product2 e_1 $W e_3 \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.63 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.63 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_1 $Z e_3 \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_1 e_2 $W \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_1 e_2 $Z \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product2 e_3 e_1 e_1 \/ product2 e_3 e_1 e_2
% 3.47/3.64 |- ~product2 $W e_1 e_2 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 $Z e_1 e_2 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $W e_2 \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $Z e_2 \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_1 $W \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_1 $Z \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product2 e_3 e_1 e_1 \/ product2 e_3 e_4 e_1
% 3.47/3.64 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_1 e_1
% 3.47/3.64 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_3 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2 \/ product2 e_4 e_1 e_1
% 3.47/3.64 |- product1 e_1 e_2 e_1 \/ product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/
% 3.47/3.64 product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_3 e_4 e_1
% 3.47/3.64 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_2 e_1 \/
% 3.47/3.64 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.47/3.64 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_2 e_1 \/
% 3.47/3.64 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.47/3.64 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_2 e_1 \/
% 3.47/3.64 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_2 e_1 \/
% 3.47/3.64 product1 e_1 e_2 e_2 \/ product1 e_1 e_2 e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1
% 3.47/3.64 |- product1 e_1 e_3 e_1 \/ product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/
% 3.47/3.64 product1 e_1 e_4 e_1 \/ product2 e_2 e_3 e_4
% 3.47/3.64 |- ~product2 $W e_3 e_4 \/ $W == e_2 \/ product1 e_1 e_3 e_1 \/
% 3.47/3.64 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.47/3.64 |- ~product2 $Z e_3 e_4 \/ e_2 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.47/3.64 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.47/3.64 |- ~product2 e_2 $W e_4 \/ $W == e_3 \/ product1 e_1 e_3 e_1 \/
% 3.47/3.64 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.47/3.64 |- ~product2 e_2 $Z e_4 \/ e_3 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.47/3.64 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.47/3.64 |- ~product2 e_2 e_3 $W \/ $W == e_4 \/ product1 e_1 e_3 e_1 \/
% 3.47/3.64 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.47/3.64 |- ~product2 e_2 e_3 $Z \/ e_4 == $Z \/ product1 e_1 e_3 e_1 \/
% 3.47/3.64 product1 e_1 e_3 e_2 \/ product1 e_1 e_3 e_3 \/ product1 e_1 e_4 e_1
% 3.47/3.64 |- product1 e_1 e_4 e_1 \/ product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_4 e_1 e_1 \/ product2 e_3 e_4 e_1
% 3.47/3.64 |- ~product2 $W e_4 e_1 \/ $W == e_3 \/ product1 e_1 e_4 e_1 \/
% 3.47/3.64 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.47/3.64 product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 $Z e_4 e_1 \/ e_3 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.47/3.64 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.47/3.64 product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $W e_1 \/ $W == e_4 \/ product1 e_1 e_4 e_1 \/
% 3.47/3.64 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.47/3.64 product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 $Z e_1 \/ e_4 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.47/3.64 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.47/3.64 product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_4 $W \/ $W == e_1 \/ product1 e_1 e_4 e_1 \/
% 3.47/3.64 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.47/3.64 product1 e_4 e_1 e_1
% 3.47/3.64 |- ~product2 e_3 e_4 $Z \/ e_1 == $Z \/ product1 e_1 e_4 e_1 \/
% 3.47/3.64 product1 e_1 e_4 e_2 \/ product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/
% 3.47/3.64 product1 e_4 e_1 e_1
% 3.47/3.64 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_2 \/ product2 e_2 e_1 e_3
% 3.47/3.64 |- ~product2 $W e_1 e_3 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 $Z e_1 e_3 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 $W e_3 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 $Z e_3 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 e_1 $W \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 e_1 $Z \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2 \/
% 3.47/3.64 product2 e_4 e_2 e_1
% 3.47/3.64 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- product1 e_3 e_1 e_1 \/ product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_2 e_1 \/ product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/
% 3.47/3.64 product2 e_1 e_2 e_2 \/ product2 e_4 e_2 e_1
% 3.47/3.64 |- ~product2 $W e_2 e_1 \/ $W == e_4 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.47/3.64 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 $Z e_2 e_1 \/ e_4 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.47/3.64 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 $W e_1 \/ $W == e_2 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.47/3.64 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 $Z e_1 \/ e_2 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.47/3.64 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 e_2 $W \/ $W == e_1 \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.47/3.64 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- ~product2 e_4 e_2 $Z \/ e_1 == $Z \/ product1 e_3 e_1 e_1 \/
% 3.47/3.64 product1 e_3 e_1 e_2 \/ product1 e_3 e_1 e_3 \/ product1 e_4 e_2 e_1 \/
% 3.47/3.64 product1 e_4 e_2 e_2 \/ product2 e_1 e_2 e_1 \/ product2 e_1 e_2 e_2
% 3.47/3.64 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1 \/
% 3.47/3.64 product2 e_1 e_3 e_2
% 3.47/3.64 |- ~product2 $W e_3 e_2 \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 $Z e_3 e_2 \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_1 $W e_2 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_1 $Z e_2 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_1 e_3 $W \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_1 e_3 $Z \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1 \/
% 3.47/3.64 product2 e_4 e_3 e_1
% 3.47/3.64 |- ~product2 $W e_3 e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 $Z e_3 e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_4 $W e_1 \/ $W == e_3 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_4 $Z e_1 \/ e_3 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_4 e_3 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- ~product2 e_4 e_3 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_1 e_3 e_1
% 3.47/3.64 |- product1 e_2 e_1 e_1 \/ product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/
% 3.47/3.64 product1 e_4 e_1 e_1 \/ product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/
% 3.47/3.64 product2 e_2 e_1 e_2 \/ product2 e_2 e_4 e_1
% 3.47/3.64 |- ~product2 $W e_4 e_1 \/ $W == e_2 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 $Z e_4 e_1 \/ e_2 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 $W e_1 \/ $W == e_4 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 $Z e_1 \/ e_4 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 e_4 $W \/ $W == e_1 \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 |- ~product2 e_2 e_4 $Z \/ e_1 == $Z \/ product1 e_2 e_1 e_1 \/
% 3.47/3.64 product1 e_2 e_1 e_2 \/ product1 e_2 e_1 e_3 \/ product1 e_4 e_1 e_1 \/
% 3.47/3.64 product1 e_4 e_1 e_2 \/ product2 e_2 e_1 e_1 \/ product2 e_2 e_1 e_2
% 3.47/3.64 SZS output end Saturation for /export/starexec/sandbox/benchmark/theBenchmark.p
% 3.47/3.64
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