TSTP Solution File: GRP126-3.004 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GRP126-3.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n008.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 10:36:42 EDT 2022

% Result   : Unsatisfiable 0.52s 0.73s
% Output   : CNFRefutation 0.59s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   56
%            Number of leaves      :   22
% Syntax   : Number of clauses     :  218 (  24 unt; 144 nHn; 214 RR)
%            Number of literals    :  741 (   0 equ; 148 neg)
%            Maximal clause size   :    7 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   78 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(element_1,axiom,
    group_element(e_1) ).

cnf(element_2,axiom,
    group_element(e_2) ).

cnf(element_3,axiom,
    group_element(e_3) ).

cnf(element_4,axiom,
    group_element(e_4) ).

cnf(e_1_is_not_e_2,axiom,
    ~ equalish(e_1,e_2) ).

cnf(e_1_is_not_e_3,axiom,
    ~ equalish(e_1,e_3) ).

cnf(e_1_is_not_e_4,axiom,
    ~ equalish(e_1,e_4) ).

cnf(e_2_is_not_e_1,axiom,
    ~ equalish(e_2,e_1) ).

cnf(e_2_is_not_e_3,axiom,
    ~ equalish(e_2,e_3) ).

cnf(e_2_is_not_e_4,axiom,
    ~ equalish(e_2,e_4) ).

cnf(e_3_is_not_e_1,axiom,
    ~ equalish(e_3,e_1) ).

cnf(e_3_is_not_e_2,axiom,
    ~ equalish(e_3,e_2) ).

cnf(e_3_is_not_e_4,axiom,
    ~ equalish(e_3,e_4) ).

cnf(e_4_is_not_e_1,axiom,
    ~ equalish(e_4,e_1) ).

cnf(e_4_is_not_e_2,axiom,
    ~ equalish(e_4,e_2) ).

cnf(e_4_is_not_e_3,axiom,
    ~ equalish(e_4,e_3) ).

cnf(product_total_function1,axiom,
    ( ~ group_element(X)
    | ~ group_element(Y)
    | product(X,Y,e_1)
    | product(X,Y,e_2)
    | product(X,Y,e_3)
    | product(X,Y,e_4) ) ).

cnf(product_total_function2,axiom,
    ( ~ product(X,Y,W)
    | ~ product(X,Y,Z)
    | equalish(W,Z) ) ).

cnf(product_right_cancellation,axiom,
    ( ~ product(X,W,Y)
    | ~ product(X,Z,Y)
    | equalish(W,Z) ) ).

cnf(product_left_cancellation,axiom,
    ( ~ product(W,Y,X)
    | ~ product(Z,Y,X)
    | equalish(W,Z) ) ).

cnf(product_idempotence,axiom,
    product(X,X,X) ).

cnf(qg4,negated_conjecture,
    ( ~ product(X,Y,Z1)
    | ~ product(Y,X,Z2)
    | product(Z1,Z2,Y) ) ).

cnf(refute_0_0,plain,
    product(X_28,X_28,X_28),
    inference(subst,[],[product_idempotence:[bind(X,$fot(X_28))]]) ).

cnf(refute_0_1,plain,
    ( ~ product(X_28,X_26,X_28)
    | ~ product(X_28,X_28,X_28)
    | equalish(X_26,X_28) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(X_26)),bind(X,$fot(X_28)),bind(Y,$fot(X_28)),bind(Z,$fot(X_28))]]) ).

cnf(refute_0_2,plain,
    ( ~ product(X_28,X_26,X_28)
    | equalish(X_26,X_28) ),
    inference(resolve,[$cnf( product(X_28,X_28,X_28) )],[refute_0_0,refute_0_1]) ).

cnf(refute_0_3,plain,
    ( ~ product(e_1,e_2,e_1)
    | equalish(e_2,e_1) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_2)),bind(X_28,$fot(e_1))]]) ).

cnf(refute_0_4,plain,
    product(X_35,X_35,X_35),
    inference(subst,[],[product_idempotence:[bind(X,$fot(X_35))]]) ).

cnf(refute_0_5,plain,
    ( ~ product(X_34,X_35,X_35)
    | ~ product(X_35,X_35,X_35)
    | equalish(X_34,X_35) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(X_34)),bind(X,$fot(X_35)),bind(Y,$fot(X_35)),bind(Z,$fot(X_35))]]) ).

cnf(refute_0_6,plain,
    ( ~ product(X_34,X_35,X_35)
    | equalish(X_34,X_35) ),
    inference(resolve,[$cnf( product(X_35,X_35,X_35) )],[refute_0_4,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( ~ product(e_1,e_2,e_2)
    | equalish(e_1,e_2) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_1)),bind(X_35,$fot(e_2))]]) ).

cnf(refute_0_8,plain,
    ( ~ product(e_1,e_2,Z)
    | ~ product(e_1,e_2,e_3)
    | equalish(e_3,Z) ),
    inference(subst,[],[product_total_function2:[bind(W,$fot(e_3)),bind(X,$fot(e_1)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_9,plain,
    ( ~ product(e_1,e_3,e_1)
    | equalish(e_3,e_1) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_3)),bind(X_28,$fot(e_1))]]) ).

cnf(refute_0_10,plain,
    ( ~ product(e_1,e_4,e_1)
    | equalish(e_4,e_1) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_4)),bind(X_28,$fot(e_1))]]) ).

cnf(refute_0_11,plain,
    ( ~ product(e_1,Z,e_2)
    | ~ product(e_1,e_4,e_2)
    | equalish(e_4,Z) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(e_4)),bind(X,$fot(e_1)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_12,plain,
    product(X_18,X_18,X_18),
    inference(subst,[],[product_idempotence:[bind(X,$fot(X_18))]]) ).

cnf(refute_0_13,plain,
    ( ~ product(X_18,X_18,X_18)
    | ~ product(X_18,X_18,X_21)
    | equalish(X_18,X_21) ),
    inference(subst,[],[product_total_function2:[bind(W,$fot(X_18)),bind(X,$fot(X_18)),bind(Y,$fot(X_18)),bind(Z,$fot(X_21))]]) ).

cnf(refute_0_14,plain,
    ( ~ product(X_18,X_18,X_21)
    | equalish(X_18,X_21) ),
    inference(resolve,[$cnf( product(X_18,X_18,X_18) )],[refute_0_12,refute_0_13]) ).

cnf(refute_0_15,plain,
    ( ~ product(e_2,e_2,e_3)
    | equalish(e_2,e_3) ),
    inference(subst,[],[refute_0_14:[bind(X_18,$fot(e_2)),bind(X_21,$fot(e_3))]]) ).

cnf(refute_0_16,plain,
    ( ~ product(Z,e_3,e_1)
    | ~ product(e_4,e_3,e_1)
    | equalish(e_4,Z) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(e_4)),bind(X,$fot(e_1)),bind(Y,$fot(e_3))]]) ).

cnf(refute_0_17,plain,
    ( ~ product(e_3,e_4,e_3)
    | equalish(e_4,e_3) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_4)),bind(X_28,$fot(e_3))]]) ).

cnf(refute_0_18,plain,
    ( ~ product(e_3,e_4,e_4)
    | equalish(e_3,e_4) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_3)),bind(X_35,$fot(e_4))]]) ).

cnf(refute_0_19,plain,
    ( ~ group_element(X_86)
    | ~ group_element(e_3)
    | product(e_3,X_86,e_1)
    | product(e_3,X_86,e_2)
    | product(e_3,X_86,e_3)
    | product(e_3,X_86,e_4) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_3)),bind(Y,$fot(X_86))]]) ).

cnf(refute_0_20,plain,
    ( ~ group_element(X_86)
    | product(e_3,X_86,e_1)
    | product(e_3,X_86,e_2)
    | product(e_3,X_86,e_3)
    | product(e_3,X_86,e_4) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_19]) ).

cnf(refute_0_21,plain,
    ( ~ group_element(e_4)
    | product(e_3,e_4,e_1)
    | product(e_3,e_4,e_2)
    | product(e_3,e_4,e_3)
    | product(e_3,e_4,e_4) ),
    inference(subst,[],[refute_0_20:[bind(X_86,$fot(e_4))]]) ).

cnf(refute_0_22,plain,
    ( product(e_3,e_4,e_1)
    | product(e_3,e_4,e_2)
    | product(e_3,e_4,e_3)
    | product(e_3,e_4,e_4) ),
    inference(resolve,[$cnf( group_element(e_4) )],[element_4,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( equalish(e_3,e_4)
    | product(e_3,e_4,e_1)
    | product(e_3,e_4,e_2)
    | product(e_3,e_4,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_4) )],[refute_0_22,refute_0_18]) ).

cnf(refute_0_24,plain,
    ( product(e_3,e_4,e_1)
    | product(e_3,e_4,e_2)
    | product(e_3,e_4,e_3) ),
    inference(resolve,[$cnf( equalish(e_3,e_4) )],[refute_0_23,e_3_is_not_e_4]) ).

cnf(refute_0_25,plain,
    ( equalish(e_4,e_3)
    | product(e_3,e_4,e_1)
    | product(e_3,e_4,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_3) )],[refute_0_24,refute_0_17]) ).

cnf(refute_0_26,plain,
    ( product(e_3,e_4,e_1)
    | product(e_3,e_4,e_2) ),
    inference(resolve,[$cnf( equalish(e_4,e_3) )],[refute_0_25,e_4_is_not_e_3]) ).

cnf(refute_0_27,plain,
    ( ~ product(e_3,e_4,Z2)
    | ~ product(e_4,e_3,e_2)
    | product(e_2,Z2,e_3) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_4)),bind(Y,$fot(e_3)),bind(Z1,$fot(e_2))]]) ).

cnf(refute_0_28,plain,
    ( ~ product(e_4,e_3,e_3)
    | equalish(e_4,e_3) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_4)),bind(X_35,$fot(e_3))]]) ).

cnf(refute_0_29,plain,
    ( ~ product(e_4,e_3,e_4)
    | equalish(e_3,e_4) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_3)),bind(X_28,$fot(e_4))]]) ).

cnf(refute_0_30,plain,
    ( ~ group_element(X_86)
    | ~ group_element(e_4)
    | product(e_4,X_86,e_1)
    | product(e_4,X_86,e_2)
    | product(e_4,X_86,e_3)
    | product(e_4,X_86,e_4) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_4)),bind(Y,$fot(X_86))]]) ).

cnf(refute_0_31,plain,
    ( ~ group_element(X_86)
    | product(e_4,X_86,e_1)
    | product(e_4,X_86,e_2)
    | product(e_4,X_86,e_3)
    | product(e_4,X_86,e_4) ),
    inference(resolve,[$cnf( group_element(e_4) )],[element_4,refute_0_30]) ).

cnf(refute_0_32,plain,
    ( ~ group_element(e_3)
    | product(e_4,e_3,e_1)
    | product(e_4,e_3,e_2)
    | product(e_4,e_3,e_3)
    | product(e_4,e_3,e_4) ),
    inference(subst,[],[refute_0_31:[bind(X_86,$fot(e_3))]]) ).

cnf(refute_0_33,plain,
    ( product(e_4,e_3,e_1)
    | product(e_4,e_3,e_2)
    | product(e_4,e_3,e_3)
    | product(e_4,e_3,e_4) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_32]) ).

cnf(refute_0_34,plain,
    ( equalish(e_3,e_4)
    | product(e_4,e_3,e_1)
    | product(e_4,e_3,e_2)
    | product(e_4,e_3,e_3) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_4) )],[refute_0_33,refute_0_29]) ).

cnf(refute_0_35,plain,
    ( product(e_4,e_3,e_1)
    | product(e_4,e_3,e_2)
    | product(e_4,e_3,e_3) ),
    inference(resolve,[$cnf( equalish(e_3,e_4) )],[refute_0_34,e_3_is_not_e_4]) ).

cnf(refute_0_36,plain,
    ( equalish(e_4,e_3)
    | product(e_4,e_3,e_1)
    | product(e_4,e_3,e_2) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_3) )],[refute_0_35,refute_0_28]) ).

cnf(refute_0_37,plain,
    ( product(e_4,e_3,e_1)
    | product(e_4,e_3,e_2) ),
    inference(resolve,[$cnf( equalish(e_4,e_3) )],[refute_0_36,e_4_is_not_e_3]) ).

cnf(refute_0_38,plain,
    ( ~ product(e_3,e_4,Z2)
    | product(e_2,Z2,e_3)
    | product(e_4,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_2) )],[refute_0_37,refute_0_27]) ).

cnf(refute_0_39,plain,
    ( ~ product(e_3,e_4,e_2)
    | product(e_2,e_2,e_3)
    | product(e_4,e_3,e_1) ),
    inference(subst,[],[refute_0_38:[bind(Z2,$fot(e_2))]]) ).

cnf(refute_0_40,plain,
    ( product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1)
    | product(e_4,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_2) )],[refute_0_26,refute_0_39]) ).

cnf(refute_0_41,plain,
    ( ~ product(Z,e_3,e_1)
    | equalish(e_4,Z)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_1) )],[refute_0_40,refute_0_16]) ).

cnf(refute_0_42,plain,
    ( ~ product(e_2,e_3,e_1)
    | equalish(e_4,e_2)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(subst,[],[refute_0_41:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_43,plain,
    ( ~ product(e_2,e_3,e_2)
    | equalish(e_3,e_2) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_3)),bind(X_28,$fot(e_2))]]) ).

cnf(refute_0_44,plain,
    ( ~ product(e_2,e_3,e_3)
    | equalish(e_2,e_3) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_2)),bind(X_35,$fot(e_3))]]) ).

cnf(refute_0_45,plain,
    ( ~ product(e_2,e_4,e_2)
    | equalish(e_4,e_2) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_4)),bind(X_28,$fot(e_2))]]) ).

cnf(refute_0_46,plain,
    ( ~ product(Z,e_4,e_3)
    | ~ product(e_1,e_4,e_3)
    | equalish(e_1,Z) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(e_1)),bind(X,$fot(e_3)),bind(Y,$fot(e_4))]]) ).

cnf(refute_0_47,plain,
    ( ~ product(e_1,e_4,e_4)
    | equalish(e_1,e_4) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_1)),bind(X_35,$fot(e_4))]]) ).

cnf(refute_0_48,plain,
    ( ~ group_element(X_86)
    | ~ group_element(e_1)
    | product(e_1,X_86,e_1)
    | product(e_1,X_86,e_2)
    | product(e_1,X_86,e_3)
    | product(e_1,X_86,e_4) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_1)),bind(Y,$fot(X_86))]]) ).

cnf(refute_0_49,plain,
    ( ~ group_element(X_86)
    | product(e_1,X_86,e_1)
    | product(e_1,X_86,e_2)
    | product(e_1,X_86,e_3)
    | product(e_1,X_86,e_4) ),
    inference(resolve,[$cnf( group_element(e_1) )],[element_1,refute_0_48]) ).

cnf(refute_0_50,plain,
    ( ~ group_element(e_4)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_1,e_4,e_3)
    | product(e_1,e_4,e_4) ),
    inference(subst,[],[refute_0_49:[bind(X_86,$fot(e_4))]]) ).

cnf(refute_0_51,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_1,e_4,e_3)
    | product(e_1,e_4,e_4) ),
    inference(resolve,[$cnf( group_element(e_4) )],[element_4,refute_0_50]) ).

cnf(refute_0_52,plain,
    ( equalish(e_1,e_4)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_1,e_4,e_3) ),
    inference(resolve,[$cnf( product(e_1,e_4,e_4) )],[refute_0_51,refute_0_47]) ).

cnf(refute_0_53,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_1,e_4,e_3) ),
    inference(resolve,[$cnf( equalish(e_1,e_4) )],[refute_0_52,e_1_is_not_e_4]) ).

cnf(refute_0_54,plain,
    ( ~ product(Z,e_4,e_3)
    | equalish(e_1,Z)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_4,e_3) )],[refute_0_53,refute_0_46]) ).

cnf(refute_0_55,plain,
    ( ~ product(e_2,e_4,e_3)
    | equalish(e_1,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2) ),
    inference(subst,[],[refute_0_54:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_56,plain,
    ( ~ product(e_2,e_4,e_4)
    | equalish(e_2,e_4) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_2)),bind(X_35,$fot(e_4))]]) ).

cnf(refute_0_57,plain,
    ( ~ group_element(X_86)
    | ~ group_element(e_2)
    | product(e_2,X_86,e_1)
    | product(e_2,X_86,e_2)
    | product(e_2,X_86,e_3)
    | product(e_2,X_86,e_4) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_2)),bind(Y,$fot(X_86))]]) ).

cnf(refute_0_58,plain,
    ( ~ group_element(X_86)
    | product(e_2,X_86,e_1)
    | product(e_2,X_86,e_2)
    | product(e_2,X_86,e_3)
    | product(e_2,X_86,e_4) ),
    inference(resolve,[$cnf( group_element(e_2) )],[element_2,refute_0_57]) ).

cnf(refute_0_59,plain,
    ( ~ group_element(e_4)
    | product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2)
    | product(e_2,e_4,e_3)
    | product(e_2,e_4,e_4) ),
    inference(subst,[],[refute_0_58:[bind(X_86,$fot(e_4))]]) ).

cnf(refute_0_60,plain,
    ( product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2)
    | product(e_2,e_4,e_3)
    | product(e_2,e_4,e_4) ),
    inference(resolve,[$cnf( group_element(e_4) )],[element_4,refute_0_59]) ).

cnf(refute_0_61,plain,
    ( equalish(e_2,e_4)
    | product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2)
    | product(e_2,e_4,e_3) ),
    inference(resolve,[$cnf( product(e_2,e_4,e_4) )],[refute_0_60,refute_0_56]) ).

cnf(refute_0_62,plain,
    ( product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2)
    | product(e_2,e_4,e_3) ),
    inference(resolve,[$cnf( equalish(e_2,e_4) )],[refute_0_61,e_2_is_not_e_4]) ).

cnf(refute_0_63,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_4,e_3) )],[refute_0_62,refute_0_55]) ).

cnf(refute_0_64,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_4,e_1)
    | product(e_2,e_4,e_2) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_63,e_1_is_not_e_2]) ).

cnf(refute_0_65,plain,
    ( equalish(e_4,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_4,e_2) )],[refute_0_64,refute_0_45]) ).

cnf(refute_0_66,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_4,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_2) )],[refute_0_65,e_4_is_not_e_2]) ).

cnf(refute_0_67,plain,
    ( ~ product(W,e_4,e_1)
    | ~ product(e_3,e_4,e_1)
    | equalish(W,e_3) ),
    inference(subst,[],[product_left_cancellation:[bind(X,$fot(e_1)),bind(Y,$fot(e_4)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_68,plain,
    ( ~ product(e_3,e_4,Z1)
    | ~ product(e_4,e_3,e_1)
    | product(Z1,e_1,e_4) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_3)),bind(Y,$fot(e_4)),bind(Z2,$fot(e_1))]]) ).

cnf(refute_0_69,plain,
    ( ~ product(e_3,e_4,Z1)
    | product(Z1,e_1,e_4)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_1) )],[refute_0_40,refute_0_68]) ).

cnf(refute_0_70,plain,
    ( ~ product(e_3,e_4,e_2)
    | product(e_2,e_1,e_4)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(subst,[],[refute_0_69:[bind(Z1,$fot(e_2))]]) ).

cnf(refute_0_71,plain,
    ( product(e_2,e_1,e_4)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_2) )],[refute_0_26,refute_0_70]) ).

cnf(refute_0_72,plain,
    ( ~ product(W,e_4,e_1)
    | equalish(W,e_3)
    | product(e_2,e_1,e_4)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_1) )],[refute_0_71,refute_0_67]) ).

cnf(refute_0_73,plain,
    ( ~ product(e_2,e_4,e_1)
    | equalish(e_2,e_3)
    | product(e_2,e_1,e_4)
    | product(e_2,e_2,e_3) ),
    inference(subst,[],[refute_0_72:[bind(W,$fot(e_2))]]) ).

cnf(refute_0_74,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_1,e_4)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_2,e_4,e_1) )],[refute_0_66,refute_0_73]) ).

cnf(refute_0_75,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_1,e_4)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_74,e_2_is_not_e_3]) ).

cnf(refute_0_76,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_1,e_4) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_3) )],[refute_0_75,refute_0_15]) ).

cnf(refute_0_77,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_1,e_4) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_76,e_2_is_not_e_3]) ).

cnf(refute_0_78,plain,
    ( ~ product(e_2,W,e_4)
    | ~ product(e_2,e_3,e_4)
    | equalish(W,e_3) ),
    inference(subst,[],[product_right_cancellation:[bind(X,$fot(e_2)),bind(Y,$fot(e_4)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_79,plain,
    ( ~ group_element(e_3)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3)
    | product(e_2,e_3,e_4) ),
    inference(subst,[],[refute_0_58:[bind(X_86,$fot(e_3))]]) ).

cnf(refute_0_80,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3)
    | product(e_2,e_3,e_4) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_79]) ).

cnf(refute_0_81,plain,
    ( ~ product(e_2,W,e_4)
    | equalish(W,e_3)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_4) )],[refute_0_80,refute_0_78]) ).

cnf(refute_0_82,plain,
    ( ~ product(e_2,e_1,e_4)
    | equalish(e_1,e_3)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3) ),
    inference(subst,[],[refute_0_81:[bind(W,$fot(e_1))]]) ).

cnf(refute_0_83,plain,
    ( equalish(e_1,e_3)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3) ),
    inference(resolve,[$cnf( product(e_2,e_1,e_4) )],[refute_0_77,refute_0_82]) ).

cnf(refute_0_84,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3) ),
    inference(resolve,[$cnf( equalish(e_1,e_3) )],[refute_0_83,e_1_is_not_e_3]) ).

cnf(refute_0_85,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_3) )],[refute_0_84,refute_0_44]) ).

cnf(refute_0_86,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_85,e_2_is_not_e_3]) ).

cnf(refute_0_87,plain,
    ( equalish(e_3,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_2) )],[refute_0_86,refute_0_43]) ).

cnf(refute_0_88,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_3,e_1) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_87,e_3_is_not_e_2]) ).

cnf(refute_0_89,plain,
    ( equalish(e_4,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_1) )],[refute_0_88,refute_0_42]) ).

cnf(refute_0_90,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_2,e_3)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_2) )],[refute_0_89,e_4_is_not_e_2]) ).

cnf(refute_0_91,plain,
    ( ~ product(W,e_4,e_1)
    | ~ product(e_2,e_4,e_1)
    | equalish(W,e_2) ),
    inference(subst,[],[product_left_cancellation:[bind(X,$fot(e_1)),bind(Y,$fot(e_4)),bind(Z,$fot(e_2))]]) ).

cnf(refute_0_92,plain,
    ( ~ product(W,e_4,e_1)
    | equalish(W,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_4,e_1) )],[refute_0_66,refute_0_91]) ).

cnf(refute_0_93,plain,
    ( ~ product(e_3,e_4,e_1)
    | equalish(e_3,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2) ),
    inference(subst,[],[refute_0_92:[bind(W,$fot(e_3))]]) ).

cnf(refute_0_94,plain,
    ( equalish(e_3,e_2)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_1) )],[refute_0_90,refute_0_93]) ).

cnf(refute_0_95,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_94,e_3_is_not_e_2]) ).

cnf(refute_0_96,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_3) )],[refute_0_95,refute_0_15]) ).

cnf(refute_0_97,plain,
    ( product(e_1,e_4,e_1)
    | product(e_1,e_4,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_96,e_2_is_not_e_3]) ).

cnf(refute_0_98,plain,
    ( ~ product(e_1,Z,e_2)
    | equalish(e_4,Z)
    | product(e_1,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_4,e_2) )],[refute_0_97,refute_0_11]) ).

cnf(refute_0_99,plain,
    ( ~ product(e_1,e_3,e_2)
    | equalish(e_4,e_3)
    | product(e_1,e_4,e_1) ),
    inference(subst,[],[refute_0_98:[bind(Z,$fot(e_3))]]) ).

cnf(refute_0_100,plain,
    ( ~ product(e_1,e_3,e_3)
    | equalish(e_1,e_3) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_1)),bind(X_35,$fot(e_3))]]) ).

cnf(refute_0_101,plain,
    ( ~ group_element(X_85)
    | ~ group_element(e_2)
    | product(X_85,e_2,e_1)
    | product(X_85,e_2,e_2)
    | product(X_85,e_2,e_3)
    | product(X_85,e_2,e_4) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(X_85)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_102,plain,
    ( ~ group_element(X_85)
    | product(X_85,e_2,e_1)
    | product(X_85,e_2,e_2)
    | product(X_85,e_2,e_3)
    | product(X_85,e_2,e_4) ),
    inference(resolve,[$cnf( group_element(e_2) )],[element_2,refute_0_101]) ).

cnf(refute_0_103,plain,
    ( ~ group_element(e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(subst,[],[refute_0_102:[bind(X_85,$fot(e_1))]]) ).

cnf(refute_0_104,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_2,e_4) ),
    inference(resolve,[$cnf( group_element(e_1) )],[element_1,refute_0_103]) ).

cnf(refute_0_105,plain,
    ( ~ product(e_1,W,e_4)
    | ~ product(e_1,e_3,e_4)
    | equalish(W,e_3) ),
    inference(subst,[],[product_right_cancellation:[bind(X,$fot(e_1)),bind(Y,$fot(e_4)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_106,plain,
    ( ~ group_element(e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(subst,[],[refute_0_49:[bind(X_86,$fot(e_3))]]) ).

cnf(refute_0_107,plain,
    ( product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3)
    | product(e_1,e_3,e_4) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_106]) ).

cnf(refute_0_108,plain,
    ( ~ product(e_1,W,e_4)
    | equalish(W,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3) ),
    inference(resolve,[$cnf( product(e_1,e_3,e_4) )],[refute_0_107,refute_0_105]) ).

cnf(refute_0_109,plain,
    ( ~ product(e_1,e_2,e_4)
    | equalish(e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3) ),
    inference(subst,[],[refute_0_108:[bind(W,$fot(e_2))]]) ).

cnf(refute_0_110,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_4) )],[refute_0_104,refute_0_109]) ).

cnf(refute_0_111,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2)
    | product(e_1,e_3,e_3) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_110,e_2_is_not_e_3]) ).

cnf(refute_0_112,plain,
    ( equalish(e_1,e_3)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_3,e_3) )],[refute_0_111,refute_0_100]) ).

cnf(refute_0_113,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_3,e_2) ),
    inference(resolve,[$cnf( equalish(e_1,e_3) )],[refute_0_112,e_1_is_not_e_3]) ).

cnf(refute_0_114,plain,
    ( equalish(e_4,e_3)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_3,e_2) )],[refute_0_113,refute_0_99]) ).

cnf(refute_0_115,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1)
    | product(e_1,e_4,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_3) )],[refute_0_114,e_4_is_not_e_3]) ).

cnf(refute_0_116,plain,
    ( equalish(e_4,e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_4,e_1) )],[refute_0_115,refute_0_10]) ).

cnf(refute_0_117,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3)
    | product(e_1,e_3,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_1) )],[refute_0_116,e_4_is_not_e_1]) ).

cnf(refute_0_118,plain,
    ( equalish(e_3,e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_1,e_3,e_1) )],[refute_0_117,refute_0_9]) ).

cnf(refute_0_119,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_1,e_2,e_3) ),
    inference(resolve,[$cnf( equalish(e_3,e_1) )],[refute_0_118,e_3_is_not_e_1]) ).

cnf(refute_0_120,plain,
    ( ~ product(e_1,e_2,Z)
    | equalish(e_3,Z)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_3) )],[refute_0_119,refute_0_8]) ).

cnf(refute_0_121,plain,
    ( ~ product(e_1,e_2,e_4)
    | equalish(e_3,e_4)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(subst,[],[refute_0_120:[bind(Z,$fot(e_4))]]) ).

cnf(refute_0_122,plain,
    ( ~ product(e_3,e_1,e_1)
    | equalish(e_3,e_1) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_3)),bind(X_35,$fot(e_1))]]) ).

cnf(refute_0_123,plain,
    ( ~ product(e_4,e_1,e_1)
    | equalish(e_4,e_1) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_4)),bind(X_35,$fot(e_1))]]) ).

cnf(refute_0_124,plain,
    ( ~ product(e_4,Z,e_1)
    | ~ product(e_4,e_2,e_1)
    | equalish(e_2,Z) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(e_2)),bind(X,$fot(e_4)),bind(Y,$fot(e_1))]]) ).

cnf(refute_0_125,plain,
    ( ~ product(e_4,e_2,e_2)
    | equalish(e_4,e_2) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_4)),bind(X_35,$fot(e_2))]]) ).

cnf(refute_0_126,plain,
    ( ~ product(e_4,e_2,e_4)
    | equalish(e_2,e_4) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_2)),bind(X_28,$fot(e_4))]]) ).

cnf(refute_0_127,plain,
    ( ~ group_element(e_4)
    | product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2)
    | product(e_4,e_2,e_3)
    | product(e_4,e_2,e_4) ),
    inference(subst,[],[refute_0_102:[bind(X_85,$fot(e_4))]]) ).

cnf(refute_0_128,plain,
    ( product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2)
    | product(e_4,e_2,e_3)
    | product(e_4,e_2,e_4) ),
    inference(resolve,[$cnf( group_element(e_4) )],[element_4,refute_0_127]) ).

cnf(refute_0_129,plain,
    ( equalish(e_2,e_4)
    | product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2)
    | product(e_4,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_4,e_2,e_4) )],[refute_0_128,refute_0_126]) ).

cnf(refute_0_130,plain,
    ( product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2)
    | product(e_4,e_2,e_3) ),
    inference(resolve,[$cnf( equalish(e_2,e_4) )],[refute_0_129,e_2_is_not_e_4]) ).

cnf(refute_0_131,plain,
    ( ~ product(e_4,W,e_3)
    | ~ product(e_4,e_1,e_3)
    | equalish(W,e_1) ),
    inference(subst,[],[product_right_cancellation:[bind(X,$fot(e_4)),bind(Y,$fot(e_3)),bind(Z,$fot(e_1))]]) ).

cnf(refute_0_132,plain,
    ( ~ product(e_4,e_1,e_4)
    | equalish(e_1,e_4) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_1)),bind(X_28,$fot(e_4))]]) ).

cnf(refute_0_133,plain,
    ( ~ group_element(e_1)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_1,e_3)
    | product(e_4,e_1,e_4) ),
    inference(subst,[],[refute_0_31:[bind(X_86,$fot(e_1))]]) ).

cnf(refute_0_134,plain,
    ( product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_1,e_3)
    | product(e_4,e_1,e_4) ),
    inference(resolve,[$cnf( group_element(e_1) )],[element_1,refute_0_133]) ).

cnf(refute_0_135,plain,
    ( equalish(e_1,e_4)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_1,e_3) ),
    inference(resolve,[$cnf( product(e_4,e_1,e_4) )],[refute_0_134,refute_0_132]) ).

cnf(refute_0_136,plain,
    ( product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_1,e_3) ),
    inference(resolve,[$cnf( equalish(e_1,e_4) )],[refute_0_135,e_1_is_not_e_4]) ).

cnf(refute_0_137,plain,
    ( ~ product(e_4,W,e_3)
    | equalish(W,e_1)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_4,e_1,e_3) )],[refute_0_136,refute_0_131]) ).

cnf(refute_0_138,plain,
    ( ~ product(e_4,e_2,e_3)
    | equalish(e_2,e_1)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2) ),
    inference(subst,[],[refute_0_137:[bind(W,$fot(e_2))]]) ).

cnf(refute_0_139,plain,
    ( equalish(e_2,e_1)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_4,e_2,e_3) )],[refute_0_130,refute_0_138]) ).

cnf(refute_0_140,plain,
    ( product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_2,e_1)
    | product(e_4,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_139,e_2_is_not_e_1]) ).

cnf(refute_0_141,plain,
    ( equalish(e_4,e_2)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_2,e_2) )],[refute_0_140,refute_0_125]) ).

cnf(refute_0_142,plain,
    ( product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2)
    | product(e_4,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_2) )],[refute_0_141,e_4_is_not_e_2]) ).

cnf(refute_0_143,plain,
    ( ~ product(e_4,Z,e_1)
    | equalish(e_2,Z)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_4,e_2,e_1) )],[refute_0_142,refute_0_124]) ).

cnf(refute_0_144,plain,
    ( ~ product(e_4,e_3,e_1)
    | equalish(e_2,e_3)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2) ),
    inference(subst,[],[refute_0_143:[bind(Z,$fot(e_3))]]) ).

cnf(refute_0_145,plain,
    ( ~ product(e_3,e_4,Z1)
    | ~ product(e_4,e_3,e_2)
    | product(Z1,e_2,e_4) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_3)),bind(Y,$fot(e_4)),bind(Z2,$fot(e_2))]]) ).

cnf(refute_0_146,plain,
    ( ~ product(e_3,e_4,Z1)
    | product(Z1,e_2,e_4)
    | product(e_4,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_2) )],[refute_0_37,refute_0_145]) ).

cnf(refute_0_147,plain,
    ( ~ product(e_3,e_4,e_1)
    | product(e_1,e_2,e_4)
    | product(e_4,e_3,e_1) ),
    inference(subst,[],[refute_0_146:[bind(Z1,$fot(e_1))]]) ).

cnf(refute_0_148,plain,
    ( ~ product(Z,e_4,e_2)
    | ~ product(e_3,e_4,e_2)
    | equalish(e_3,Z) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(e_3)),bind(X,$fot(e_2)),bind(Y,$fot(e_4))]]) ).

cnf(refute_0_149,plain,
    ( ~ product(Z,e_4,e_2)
    | equalish(e_3,Z)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_2) )],[refute_0_26,refute_0_148]) ).

cnf(refute_0_150,plain,
    ( ~ product(e_1,e_4,e_2)
    | equalish(e_3,e_1)
    | product(e_3,e_4,e_1) ),
    inference(subst,[],[refute_0_149:[bind(Z,$fot(e_1))]]) ).

cnf(refute_0_151,plain,
    ( equalish(e_3,e_1)
    | product(e_1,e_4,e_1)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_4,e_2) )],[refute_0_97,refute_0_150]) ).

cnf(refute_0_152,plain,
    ( product(e_1,e_4,e_1)
    | product(e_3,e_4,e_1) ),
    inference(resolve,[$cnf( equalish(e_3,e_1) )],[refute_0_151,e_3_is_not_e_1]) ).

cnf(refute_0_153,plain,
    ( product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_4,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_1) )],[refute_0_152,refute_0_147]) ).

cnf(refute_0_154,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_4,e_3,e_1) )],[refute_0_153,refute_0_144]) ).

cnf(refute_0_155,plain,
    ( product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_4,e_1,e_1)
    | product(e_4,e_1,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_154,e_2_is_not_e_3]) ).

cnf(refute_0_156,plain,
    ( ~ product(W,e_1,e_2)
    | ~ product(e_3,e_1,e_2)
    | equalish(W,e_3) ),
    inference(subst,[],[product_left_cancellation:[bind(X,$fot(e_2)),bind(Y,$fot(e_1)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_157,plain,
    ( ~ product(e_3,e_1,e_3)
    | equalish(e_1,e_3) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_1)),bind(X_28,$fot(e_3))]]) ).

cnf(refute_0_158,plain,
    ( ~ product(e_3,Z,e_1)
    | ~ product(e_3,e_4,e_1)
    | equalish(e_4,Z) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(e_4)),bind(X,$fot(e_3)),bind(Y,$fot(e_1))]]) ).

cnf(refute_0_159,plain,
    ( ~ product(e_3,Z,e_1)
    | equalish(e_4,Z)
    | product(e_1,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_4,e_1) )],[refute_0_152,refute_0_158]) ).

cnf(refute_0_160,plain,
    ( ~ product(e_3,e_2,e_1)
    | equalish(e_4,e_2)
    | product(e_1,e_4,e_1) ),
    inference(subst,[],[refute_0_159:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_161,plain,
    ( ~ product(e_3,e_2,e_2)
    | equalish(e_3,e_2) ),
    inference(subst,[],[refute_0_6:[bind(X_34,$fot(e_3)),bind(X_35,$fot(e_2))]]) ).

cnf(refute_0_162,plain,
    ( ~ product(e_3,e_2,e_3)
    | equalish(e_2,e_3) ),
    inference(subst,[],[refute_0_2:[bind(X_26,$fot(e_2)),bind(X_28,$fot(e_3))]]) ).

cnf(refute_0_163,plain,
    ( ~ group_element(e_3)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_2,e_3)
    | product(e_3,e_2,e_4) ),
    inference(subst,[],[refute_0_102:[bind(X_85,$fot(e_3))]]) ).

cnf(refute_0_164,plain,
    ( product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_2,e_3)
    | product(e_3,e_2,e_4) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_163]) ).

cnf(refute_0_165,plain,
    ( ~ product(e_3,W,e_4)
    | ~ product(e_3,e_1,e_4)
    | equalish(W,e_1) ),
    inference(subst,[],[product_right_cancellation:[bind(X,$fot(e_3)),bind(Y,$fot(e_4)),bind(Z,$fot(e_1))]]) ).

cnf(refute_0_166,plain,
    ( ~ group_element(e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_1,e_4) ),
    inference(subst,[],[refute_0_20:[bind(X_86,$fot(e_1))]]) ).

cnf(refute_0_167,plain,
    ( product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_1,e_4) ),
    inference(resolve,[$cnf( group_element(e_1) )],[element_1,refute_0_166]) ).

cnf(refute_0_168,plain,
    ( ~ product(e_3,W,e_4)
    | equalish(W,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_1,e_4) )],[refute_0_167,refute_0_165]) ).

cnf(refute_0_169,plain,
    ( ~ product(e_3,e_2,e_4)
    | equalish(e_2,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3) ),
    inference(subst,[],[refute_0_168:[bind(W,$fot(e_2))]]) ).

cnf(refute_0_170,plain,
    ( equalish(e_2,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_4) )],[refute_0_164,refute_0_169]) ).

cnf(refute_0_171,plain,
    ( product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_2,e_3) ),
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_170,e_2_is_not_e_1]) ).

cnf(refute_0_172,plain,
    ( equalish(e_2,e_3)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_3) )],[refute_0_171,refute_0_162]) ).

cnf(refute_0_173,plain,
    ( product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_172,e_2_is_not_e_3]) ).

cnf(refute_0_174,plain,
    ( equalish(e_3,e_2)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_2) )],[refute_0_173,refute_0_161]) ).

cnf(refute_0_175,plain,
    ( product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3)
    | product(e_3,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_174,e_3_is_not_e_2]) ).

cnf(refute_0_176,plain,
    ( equalish(e_4,e_2)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_1) )],[refute_0_175,refute_0_160]) ).

cnf(refute_0_177,plain,
    ( product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2)
    | product(e_3,e_1,e_3) ),
    inference(resolve,[$cnf( equalish(e_4,e_2) )],[refute_0_176,e_4_is_not_e_2]) ).

cnf(refute_0_178,plain,
    ( equalish(e_1,e_3)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_1,e_3) )],[refute_0_177,refute_0_157]) ).

cnf(refute_0_179,plain,
    ( product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1)
    | product(e_3,e_1,e_2) ),
    inference(resolve,[$cnf( equalish(e_1,e_3) )],[refute_0_178,e_1_is_not_e_3]) ).

cnf(refute_0_180,plain,
    ( ~ product(W,e_1,e_2)
    | equalish(W,e_3)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_1,e_2) )],[refute_0_179,refute_0_156]) ).

cnf(refute_0_181,plain,
    ( ~ product(e_4,e_1,e_2)
    | equalish(e_4,e_3)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1) ),
    inference(subst,[],[refute_0_180:[bind(W,$fot(e_4))]]) ).

cnf(refute_0_182,plain,
    ( equalish(e_4,e_3)
    | product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1)
    | product(e_4,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_1,e_2) )],[refute_0_155,refute_0_181]) ).

cnf(refute_0_183,plain,
    ( product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1)
    | product(e_4,e_1,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_3) )],[refute_0_182,e_4_is_not_e_3]) ).

cnf(refute_0_184,plain,
    ( equalish(e_4,e_1)
    | product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_4,e_1,e_1) )],[refute_0_183,refute_0_123]) ).

cnf(refute_0_185,plain,
    ( product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1)
    | product(e_3,e_1,e_1) ),
    inference(resolve,[$cnf( equalish(e_4,e_1) )],[refute_0_184,e_4_is_not_e_1]) ).

cnf(refute_0_186,plain,
    ( equalish(e_3,e_1)
    | product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_1,e_1) )],[refute_0_185,refute_0_122]) ).

cnf(refute_0_187,plain,
    ( product(e_1,e_2,e_4)
    | product(e_1,e_4,e_1) ),
    inference(resolve,[$cnf( equalish(e_3,e_1) )],[refute_0_186,e_3_is_not_e_1]) ).

cnf(refute_0_188,plain,
    ( equalish(e_4,e_1)
    | product(e_1,e_2,e_4) ),
    inference(resolve,[$cnf( product(e_1,e_4,e_1) )],[refute_0_187,refute_0_10]) ).

cnf(refute_0_189,plain,
    product(e_1,e_2,e_4),
    inference(resolve,[$cnf( equalish(e_4,e_1) )],[refute_0_188,e_4_is_not_e_1]) ).

cnf(refute_0_190,plain,
    ( equalish(e_3,e_4)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_4) )],[refute_0_189,refute_0_121]) ).

cnf(refute_0_191,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_3,e_4) )],[refute_0_190,e_3_is_not_e_4]) ).

cnf(refute_0_192,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_2) )],[refute_0_191,refute_0_7]) ).

cnf(refute_0_193,plain,
    product(e_1,e_2,e_1),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_192,e_1_is_not_e_2]) ).

cnf(refute_0_194,plain,
    equalish(e_2,e_1),
    inference(resolve,[$cnf( product(e_1,e_2,e_1) )],[refute_0_193,refute_0_3]) ).

cnf(refute_0_195,plain,
    $false,
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_194,e_2_is_not_e_1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP126-3.004 : TPTP v8.1.0. Released v1.2.0.
% 0.06/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jun 13 13:25:52 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.52/0.73  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.52/0.73  
% 0.52/0.73  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.59/0.74  
%------------------------------------------------------------------------------