TSTP Solution File: GRP134-1.003 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GRP134-1.003 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n021.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 10:36:57 EDT 2022

% Result   : Unsatisfiable 0.48s 0.63s
% Output   : CNFRefutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   41
%            Number of leaves      :   13
% Syntax   : Number of clauses     :  157 (  12 unt; 108 nHn; 157 RR)
%            Number of literals    :  536 (   0 equ; 122 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    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   66 (   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(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_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_3_is_not_e_2,axiom,
    ~ equalish(e_3,e_2) ).

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) ) ).

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

cnf(refute_0_0,plain,
    ( ~ product(e_1,e_1,Z)
    | ~ product(e_1,e_1,e_1)
    | equalish(e_1,Z) ),
    inference(subst,[],[product_total_function2:[bind(W,$fot(e_1)),bind(X,$fot(e_1)),bind(Y,$fot(e_1))]]) ).

cnf(refute_0_1,plain,
    ( ~ product(Z,e_2,e_1)
    | ~ product(e_2,e_2,e_1)
    | equalish(e_2,Z) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(e_2)),bind(X,$fot(e_1)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_2,plain,
    ( ~ product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_1)),bind(Y,$fot(e_1)),bind(Z1,$fot(e_2)),bind(Z2,$fot(e_2))]]) ).

cnf(refute_0_3,plain,
    ( ~ product(e_2,e_2,e_1)
    | product(e_1,e_1,e_2) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_2)),bind(Y,$fot(e_2)),bind(Z1,$fot(e_1)),bind(Z2,$fot(e_1))]]) ).

cnf(refute_0_4,plain,
    ( ~ product(e_1,e_1,e_3)
    | product(e_3,e_3,e_1) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_1)),bind(Y,$fot(e_1)),bind(Z1,$fot(e_3)),bind(Z2,$fot(e_3))]]) ).

cnf(refute_0_5,plain,
    ( ~ group_element(e_1)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_1)),bind(Y,$fot(e_1))]]) ).

cnf(refute_0_6,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3) ),
    inference(resolve,[$cnf( group_element(e_1) )],[element_1,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_3,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_3) )],[refute_0_6,refute_0_4]) ).

cnf(refute_0_8,plain,
    ( ~ product(X_22,e_3,e_1)
    | ~ product(e_3,e_3,e_1)
    | equalish(X_22,e_3) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(X_22)),bind(X,$fot(e_1)),bind(Y,$fot(e_3)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_9,plain,
    ( ~ product(X_22,e_3,e_1)
    | equalish(X_22,e_3)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_1) )],[refute_0_7,refute_0_8]) ).

cnf(refute_0_10,plain,
    ( ~ product(e_2,e_3,e_1)
    | equalish(e_2,e_3)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(subst,[],[refute_0_9:[bind(X_22,$fot(e_2))]]) ).

cnf(refute_0_11,plain,
    ( ~ product(e_3,X_16,e_1)
    | ~ product(e_3,e_3,e_1)
    | equalish(X_16,e_3) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(X_16)),bind(X,$fot(e_3)),bind(Y,$fot(e_1)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_12,plain,
    ( ~ product(e_3,X_16,e_1)
    | equalish(X_16,e_3)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_1) )],[refute_0_7,refute_0_11]) ).

cnf(refute_0_13,plain,
    ( ~ product(e_3,e_2,e_1)
    | equalish(e_2,e_3)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(subst,[],[refute_0_12:[bind(X_16,$fot(e_2))]]) ).

cnf(refute_0_14,plain,
    ( ~ product(Z,e_3,e_3)
    | ~ product(e_2,e_3,e_3)
    | equalish(e_2,Z) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(e_2)),bind(X,$fot(e_3)),bind(Y,$fot(e_3))]]) ).

cnf(refute_0_15,plain,
    ( ~ group_element(X_69)
    | ~ group_element(e_2)
    | product(e_2,X_69,e_1)
    | product(e_2,X_69,e_2)
    | product(e_2,X_69,e_3) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_2)),bind(Y,$fot(X_69))]]) ).

cnf(refute_0_16,plain,
    ( ~ group_element(X_69)
    | product(e_2,X_69,e_1)
    | product(e_2,X_69,e_2)
    | product(e_2,X_69,e_3) ),
    inference(resolve,[$cnf( group_element(e_2) )],[element_2,refute_0_15]) ).

cnf(refute_0_17,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) ),
    inference(subst,[],[refute_0_16:[bind(X_69,$fot(e_3))]]) ).

cnf(refute_0_18,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_2,e_3,e_3) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_17]) ).

cnf(refute_0_19,plain,
    ( ~ product(Z,e_3,e_3)
    | equalish(e_2,Z)
    | 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_18,refute_0_14]) ).

cnf(refute_0_20,plain,
    ( ~ product(e_3,e_3,e_3)
    | equalish(e_2,e_3)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2) ),
    inference(subst,[],[refute_0_19:[bind(Z,$fot(e_3))]]) ).

cnf(refute_0_21,plain,
    ( ~ product(e_2,e_3,Z1)
    | ~ product(e_3,e_2,e_3)
    | product(Z1,e_3,e_3) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_2)),bind(Y,$fot(e_3)),bind(Z2,$fot(e_3))]]) ).

cnf(refute_0_22,plain,
    ( ~ group_element(X_68)
    | ~ group_element(e_2)
    | product(X_68,e_2,e_1)
    | product(X_68,e_2,e_2)
    | product(X_68,e_2,e_3) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(X_68)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_23,plain,
    ( ~ group_element(X_68)
    | product(X_68,e_2,e_1)
    | product(X_68,e_2,e_2)
    | product(X_68,e_2,e_3) ),
    inference(resolve,[$cnf( group_element(e_2) )],[element_2,refute_0_22]) ).

cnf(refute_0_24,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) ),
    inference(subst,[],[refute_0_23:[bind(X_68,$fot(e_3))]]) ).

cnf(refute_0_25,plain,
    ( product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_2,e_3) ),
    inference(resolve,[$cnf( group_element(e_3) )],[element_3,refute_0_24]) ).

cnf(refute_0_26,plain,
    ( ~ product(e_2,e_3,Z1)
    | product(Z1,e_3,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_25,refute_0_21]) ).

cnf(refute_0_27,plain,
    ( ~ product(e_2,e_3,e_3)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_3,e_3) ),
    inference(subst,[],[refute_0_26:[bind(Z1,$fot(e_3))]]) ).

cnf(refute_0_28,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2)
    | product(e_3,e_3,e_3) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_3) )],[refute_0_18,refute_0_27]) ).

cnf(refute_0_29,plain,
    ( equalish(e_2,e_3)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_3) )],[refute_0_28,refute_0_20]) ).

cnf(refute_0_30,plain,
    ( product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_29,e_2_is_not_e_3]) ).

cnf(refute_0_31,plain,
    ( ~ product(W,e_2,e_2)
    | ~ product(e_2,e_2,e_2)
    | equalish(W,e_2) ),
    inference(subst,[],[product_left_cancellation:[bind(X,$fot(e_2)),bind(Y,$fot(e_2)),bind(Z,$fot(e_2))]]) ).

cnf(refute_0_32,plain,
    ( ~ product(e_2,e_2,e_3)
    | product(e_3,e_3,e_2) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_2)),bind(Y,$fot(e_2)),bind(Z1,$fot(e_3)),bind(Z2,$fot(e_3))]]) ).

cnf(refute_0_33,plain,
    ( ~ group_element(e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(subst,[],[product_total_function1:[bind(X,$fot(e_2)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_34,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( group_element(e_2) )],[element_2,refute_0_33]) ).

cnf(refute_0_35,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_3,e_3,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_3) )],[refute_0_34,refute_0_32]) ).

cnf(refute_0_36,plain,
    ( ~ product(e_3,e_3,X_15)
    | ~ product(e_3,e_3,e_2)
    | equalish(e_2,X_15) ),
    inference(subst,[],[product_total_function2:[bind(W,$fot(e_2)),bind(X,$fot(e_3)),bind(Y,$fot(e_3)),bind(Z,$fot(X_15))]]) ).

cnf(refute_0_37,plain,
    ( ~ product(e_3,e_3,X_15)
    | equalish(e_2,X_15)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_2) )],[refute_0_35,refute_0_36]) ).

cnf(refute_0_38,plain,
    ( ~ product(e_3,e_3,e_1)
    | equalish(e_2,e_1)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_37:[bind(X_15,$fot(e_1))]]) ).

cnf(refute_0_39,plain,
    ( equalish(e_2,e_1)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_1) )],[refute_0_7,refute_0_38]) ).

cnf(refute_0_40,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_39,e_2_is_not_e_1]) ).

cnf(refute_0_41,plain,
    ( ~ product(W,e_2,e_2)
    | equalish(W,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_2) )],[refute_0_40,refute_0_31]) ).

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

cnf(refute_0_43,plain,
    ( equalish(e_3,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_3,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_2) )],[refute_0_30,refute_0_42]) ).

cnf(refute_0_44,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2)
    | product(e_3,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_43,e_3_is_not_e_2]) ).

cnf(refute_0_45,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_1) )],[refute_0_44,refute_0_13]) ).

cnf(refute_0_46,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_45,e_2_is_not_e_3]) ).

cnf(refute_0_47,plain,
    ( ~ product(e_2,W,e_2)
    | ~ product(e_2,e_2,e_2)
    | equalish(W,e_2) ),
    inference(subst,[],[product_right_cancellation:[bind(X,$fot(e_2)),bind(Y,$fot(e_2)),bind(Z,$fot(e_2))]]) ).

cnf(refute_0_48,plain,
    ( ~ product(e_2,W,e_2)
    | equalish(W,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_2) )],[refute_0_40,refute_0_47]) ).

cnf(refute_0_49,plain,
    ( ~ product(e_2,e_3,e_2)
    | equalish(e_3,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1) ),
    inference(subst,[],[refute_0_48:[bind(W,$fot(e_3))]]) ).

cnf(refute_0_50,plain,
    ( equalish(e_3,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_2) )],[refute_0_46,refute_0_49]) ).

cnf(refute_0_51,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_3,e_1) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_50,e_3_is_not_e_2]) ).

cnf(refute_0_52,plain,
    ( equalish(e_2,e_3)
    | product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_1) )],[refute_0_51,refute_0_10]) ).

cnf(refute_0_53,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_52,e_2_is_not_e_3]) ).

cnf(refute_0_54,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_1) )],[refute_0_53,refute_0_3]) ).

cnf(refute_0_55,plain,
    ( product(e_1,e_1,e_1)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_2) )],[refute_0_54,refute_0_2]) ).

cnf(refute_0_56,plain,
    ( ~ product(Z,e_2,e_1)
    | equalish(e_2,Z)
    | product(e_1,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_1) )],[refute_0_55,refute_0_1]) ).

cnf(refute_0_57,plain,
    ( ~ product(e_1,e_2,e_1)
    | equalish(e_2,e_1)
    | product(e_1,e_1,e_1) ),
    inference(subst,[],[refute_0_56:[bind(Z,$fot(e_1))]]) ).

cnf(refute_0_58,plain,
    ( ~ product(e_1,Z,e_2)
    | ~ product(e_1,e_1,e_2)
    | equalish(e_1,Z) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(e_1)),bind(X,$fot(e_1)),bind(Y,$fot(e_2))]]) ).

cnf(refute_0_59,plain,
    ( ~ product(e_1,Z,e_2)
    | equalish(e_1,Z)
    | product(e_1,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_2) )],[refute_0_54,refute_0_58]) ).

cnf(refute_0_60,plain,
    ( ~ product(e_1,e_2,e_2)
    | equalish(e_1,e_2)
    | product(e_1,e_1,e_1) ),
    inference(subst,[],[refute_0_59:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_61,plain,
    ( ~ product(Z,e_2,e_3)
    | ~ product(e_1,e_2,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_2))]]) ).

cnf(refute_0_62,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) ),
    inference(subst,[],[refute_0_23:[bind(X_68,$fot(e_1))]]) ).

cnf(refute_0_63,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( group_element(e_1) )],[element_1,refute_0_62]) ).

cnf(refute_0_64,plain,
    ( ~ product(Z,e_2,e_3)
    | equalish(e_1,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_63,refute_0_61]) ).

cnf(refute_0_65,plain,
    ( ~ product(e_2,e_2,e_3)
    | equalish(e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(subst,[],[refute_0_64:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_66,plain,
    ( ~ product(e_3,e_3,e_2)
    | product(e_2,e_2,e_3) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_3)),bind(Y,$fot(e_3)),bind(Z1,$fot(e_2)),bind(Z2,$fot(e_2))]]) ).

cnf(refute_0_67,plain,
    ( ~ product(e_1,e_2,Z1)
    | ~ product(e_2,e_1,e_3)
    | product(Z1,e_3,e_2) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_1)),bind(Y,$fot(e_2)),bind(Z2,$fot(e_3))]]) ).

cnf(refute_0_68,plain,
    ( ~ group_element(e_1)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3) ),
    inference(subst,[],[refute_0_16:[bind(X_69,$fot(e_1))]]) ).

cnf(refute_0_69,plain,
    ( product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_1,e_3) ),
    inference(resolve,[$cnf( group_element(e_1) )],[element_1,refute_0_68]) ).

cnf(refute_0_70,plain,
    ( ~ product(e_1,e_2,Z1)
    | product(Z1,e_3,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_1,e_3) )],[refute_0_69,refute_0_67]) ).

cnf(refute_0_71,plain,
    ( ~ product(e_1,e_2,e_3)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_3,e_3,e_2) ),
    inference(subst,[],[refute_0_70:[bind(Z1,$fot(e_3))]]) ).

cnf(refute_0_72,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_3,e_3,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_3) )],[refute_0_63,refute_0_71]) ).

cnf(refute_0_73,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2)
    | product(e_2,e_2,e_3) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_2) )],[refute_0_72,refute_0_66]) ).

cnf(refute_0_74,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_3) )],[refute_0_73,refute_0_65]) ).

cnf(refute_0_75,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_1,e_2) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_74,e_1_is_not_e_2]) ).

cnf(refute_0_76,plain,
    ( ~ product(W,e_1,e_2)
    | ~ product(e_1,e_1,e_2)
    | equalish(W,e_1) ),
    inference(subst,[],[product_left_cancellation:[bind(X,$fot(e_2)),bind(Y,$fot(e_1)),bind(Z,$fot(e_1))]]) ).

cnf(refute_0_77,plain,
    ( ~ product(W,e_1,e_2)
    | equalish(W,e_1)
    | product(e_1,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_2) )],[refute_0_54,refute_0_76]) ).

cnf(refute_0_78,plain,
    ( ~ product(e_2,e_1,e_2)
    | equalish(e_2,e_1)
    | product(e_1,e_1,e_1) ),
    inference(subst,[],[refute_0_77:[bind(W,$fot(e_2))]]) ).

cnf(refute_0_79,plain,
    ( equalish(e_2,e_1)
    | product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_1,e_2) )],[refute_0_75,refute_0_78]) ).

cnf(refute_0_80,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1) ),
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_79,e_2_is_not_e_1]) ).

cnf(refute_0_81,plain,
    ( ~ product(e_2,W,e_1)
    | ~ product(e_2,e_2,e_1)
    | equalish(W,e_2) ),
    inference(subst,[],[product_right_cancellation:[bind(X,$fot(e_2)),bind(Y,$fot(e_1)),bind(Z,$fot(e_2))]]) ).

cnf(refute_0_82,plain,
    ( ~ product(e_2,W,e_1)
    | equalish(W,e_2)
    | product(e_1,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_1) )],[refute_0_55,refute_0_81]) ).

cnf(refute_0_83,plain,
    ( ~ product(e_2,e_1,e_1)
    | equalish(e_1,e_2)
    | product(e_1,e_1,e_1) ),
    inference(subst,[],[refute_0_82:[bind(W,$fot(e_1))]]) ).

cnf(refute_0_84,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_1,e_1) )],[refute_0_80,refute_0_83]) ).

cnf(refute_0_85,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_84,e_1_is_not_e_2]) ).

cnf(refute_0_86,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_2) )],[refute_0_85,refute_0_60]) ).

cnf(refute_0_87,plain,
    ( product(e_1,e_1,e_1)
    | product(e_1,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_86,e_1_is_not_e_2]) ).

cnf(refute_0_88,plain,
    ( equalish(e_2,e_1)
    | product(e_1,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_1) )],[refute_0_87,refute_0_57]) ).

cnf(refute_0_89,plain,
    product(e_1,e_1,e_1),
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_88,e_2_is_not_e_1]) ).

cnf(refute_0_90,plain,
    ( ~ product(e_1,e_1,Z)
    | equalish(e_1,Z) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_1) )],[refute_0_89,refute_0_0]) ).

cnf(refute_0_91,plain,
    ( ~ product(e_1,e_1,e_2)
    | equalish(e_1,e_2) ),
    inference(subst,[],[refute_0_90:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_92,plain,
    ( ~ product(e_1,e_1,e_3)
    | equalish(e_1,e_3) ),
    inference(subst,[],[refute_0_90:[bind(Z,$fot(e_3))]]) ).

cnf(refute_0_93,plain,
    ( ~ product(e_1,Z,e_1)
    | ~ product(e_1,e_1,e_1)
    | equalish(e_1,Z) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(e_1)),bind(X,$fot(e_1)),bind(Y,$fot(e_1))]]) ).

cnf(refute_0_94,plain,
    ( ~ product(e_1,Z,e_1)
    | equalish(e_1,Z) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_1) )],[refute_0_89,refute_0_93]) ).

cnf(refute_0_95,plain,
    ( ~ product(e_1,e_2,e_1)
    | equalish(e_1,e_2) ),
    inference(subst,[],[refute_0_94:[bind(Z,$fot(e_2))]]) ).

cnf(refute_0_96,plain,
    ( ~ product(X_22,e_2,e_3)
    | ~ product(e_2,e_2,e_3)
    | equalish(X_22,e_2) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(X_22)),bind(X,$fot(e_3)),bind(Y,$fot(e_2)),bind(Z,$fot(e_2))]]) ).

cnf(refute_0_97,plain,
    ( ~ product(X_22,e_2,e_3)
    | equalish(X_22,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_3) )],[refute_0_34,refute_0_96]) ).

cnf(refute_0_98,plain,
    ( ~ product(e_1,e_2,e_3)
    | equalish(e_1,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_97:[bind(X_22,$fot(e_1))]]) ).

cnf(refute_0_99,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_3) )],[refute_0_63,refute_0_98]) ).

cnf(refute_0_100,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_99,e_1_is_not_e_2]) ).

cnf(refute_0_101,plain,
    ( ~ product(e_2,W,e_2)
    | equalish(W,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_2) )],[refute_0_100,refute_0_47]) ).

cnf(refute_0_102,plain,
    ( ~ product(e_2,e_1,e_2)
    | equalish(e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_2,e_1) ),
    inference(subst,[],[refute_0_101:[bind(W,$fot(e_1))]]) ).

cnf(refute_0_103,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_1,e_2) )],[refute_0_75,refute_0_102]) ).

cnf(refute_0_104,plain,
    ( product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_103,e_1_is_not_e_2]) ).

cnf(refute_0_105,plain,
    ( product(e_1,e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2)
    | product(e_2,e_1,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_1) )],[refute_0_104,refute_0_3]) ).

cnf(refute_0_106,plain,
    ( ~ product(W,e_1,e_1)
    | ~ product(e_1,e_1,e_1)
    | equalish(W,e_1) ),
    inference(subst,[],[product_left_cancellation:[bind(X,$fot(e_1)),bind(Y,$fot(e_1)),bind(Z,$fot(e_1))]]) ).

cnf(refute_0_107,plain,
    ( ~ product(W,e_1,e_1)
    | equalish(W,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_1) )],[refute_0_89,refute_0_106]) ).

cnf(refute_0_108,plain,
    ( ~ product(e_2,e_1,e_1)
    | equalish(e_2,e_1) ),
    inference(subst,[],[refute_0_107:[bind(W,$fot(e_2))]]) ).

cnf(refute_0_109,plain,
    ( equalish(e_2,e_1)
    | product(e_1,e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_1,e_1) )],[refute_0_105,refute_0_108]) ).

cnf(refute_0_110,plain,
    ( product(e_1,e_1,e_2)
    | product(e_1,e_2,e_1)
    | product(e_1,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_2,e_1) )],[refute_0_109,e_2_is_not_e_1]) ).

cnf(refute_0_111,plain,
    ( ~ product(X_22,e_3,e_2)
    | ~ product(e_3,e_3,e_2)
    | equalish(X_22,e_3) ),
    inference(subst,[],[product_left_cancellation:[bind(W,$fot(X_22)),bind(X,$fot(e_2)),bind(Y,$fot(e_3)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_112,plain,
    ( ~ product(X_22,e_3,e_2)
    | equalish(X_22,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_2) )],[refute_0_35,refute_0_111]) ).

cnf(refute_0_113,plain,
    ( ~ product(e_2,e_3,e_2)
    | equalish(e_2,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_112:[bind(X_22,$fot(e_2))]]) ).

cnf(refute_0_114,plain,
    ( ~ product(e_2,X_16,e_3)
    | ~ product(e_2,e_2,e_3)
    | equalish(X_16,e_2) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(X_16)),bind(X,$fot(e_2)),bind(Y,$fot(e_3)),bind(Z,$fot(e_2))]]) ).

cnf(refute_0_115,plain,
    ( ~ product(e_2,X_16,e_3)
    | equalish(X_16,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_3) )],[refute_0_34,refute_0_114]) ).

cnf(refute_0_116,plain,
    ( ~ product(e_2,e_3,e_3)
    | equalish(e_3,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_115:[bind(X_16,$fot(e_3))]]) ).

cnf(refute_0_117,plain,
    ( equalish(e_3,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,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_18,refute_0_116]) ).

cnf(refute_0_118,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_2,e_3,e_1)
    | product(e_2,e_3,e_2) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_117,e_3_is_not_e_2]) ).

cnf(refute_0_119,plain,
    ( equalish(e_2,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_2,e_3,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_2) )],[refute_0_118,refute_0_113]) ).

cnf(refute_0_120,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_2,e_3,e_1) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_119,e_2_is_not_e_3]) ).

cnf(refute_0_121,plain,
    ( ~ product(e_2,e_3,Z1)
    | ~ product(e_3,e_2,e_1)
    | product(Z1,e_1,e_3) ),
    inference(subst,[],[qg4:[bind(X,$fot(e_2)),bind(Y,$fot(e_3)),bind(Z2,$fot(e_1))]]) ).

cnf(refute_0_122,plain,
    ( ~ product(e_3,X_16,e_2)
    | ~ product(e_3,e_3,e_2)
    | equalish(X_16,e_3) ),
    inference(subst,[],[product_right_cancellation:[bind(W,$fot(X_16)),bind(X,$fot(e_3)),bind(Y,$fot(e_2)),bind(Z,$fot(e_3))]]) ).

cnf(refute_0_123,plain,
    ( ~ product(e_3,X_16,e_2)
    | equalish(X_16,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_3,e_2) )],[refute_0_35,refute_0_122]) ).

cnf(refute_0_124,plain,
    ( ~ product(e_3,e_2,e_2)
    | equalish(e_2,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_123:[bind(X_16,$fot(e_2))]]) ).

cnf(refute_0_125,plain,
    ( ~ product(e_3,e_2,e_3)
    | equalish(e_3,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_97:[bind(X_22,$fot(e_3))]]) ).

cnf(refute_0_126,plain,
    ( equalish(e_3,e_2)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | 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_25,refute_0_125]) ).

cnf(refute_0_127,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_3,e_2,e_1)
    | product(e_3,e_2,e_2) ),
    inference(resolve,[$cnf( equalish(e_3,e_2) )],[refute_0_126,e_3_is_not_e_2]) ).

cnf(refute_0_128,plain,
    ( equalish(e_2,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_3,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_2) )],[refute_0_127,refute_0_124]) ).

cnf(refute_0_129,plain,
    ( product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2)
    | product(e_3,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_2,e_3) )],[refute_0_128,e_2_is_not_e_3]) ).

cnf(refute_0_130,plain,
    ( ~ product(e_2,e_3,Z1)
    | product(Z1,e_1,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_3,e_2,e_1) )],[refute_0_129,refute_0_121]) ).

cnf(refute_0_131,plain,
    ( ~ product(e_2,e_3,e_1)
    | product(e_1,e_1,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(subst,[],[refute_0_130:[bind(Z1,$fot(e_1))]]) ).

cnf(refute_0_132,plain,
    ( product(e_1,e_1,e_3)
    | product(e_2,e_2,e_1)
    | product(e_2,e_2,e_2) ),
    inference(resolve,[$cnf( product(e_2,e_3,e_1) )],[refute_0_120,refute_0_131]) ).

cnf(refute_0_133,plain,
    ( ~ product(W,e_2,e_2)
    | equalish(W,e_2)
    | product(e_1,e_1,e_3)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_2) )],[refute_0_132,refute_0_31]) ).

cnf(refute_0_134,plain,
    ( ~ product(e_1,e_2,e_2)
    | equalish(e_1,e_2)
    | product(e_1,e_1,e_3)
    | product(e_2,e_2,e_1) ),
    inference(subst,[],[refute_0_133:[bind(W,$fot(e_1))]]) ).

cnf(refute_0_135,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3)
    | product(e_1,e_2,e_1)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_2) )],[refute_0_110,refute_0_134]) ).

cnf(refute_0_136,plain,
    ( product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3)
    | product(e_1,e_2,e_1)
    | product(e_2,e_2,e_1) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_135,e_1_is_not_e_2]) ).

cnf(refute_0_137,plain,
    ( product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3)
    | product(e_1,e_2,e_1) ),
    inference(resolve,[$cnf( product(e_2,e_2,e_1) )],[refute_0_136,refute_0_3]) ).

cnf(refute_0_138,plain,
    ( equalish(e_1,e_2)
    | product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3) ),
    inference(resolve,[$cnf( product(e_1,e_2,e_1) )],[refute_0_137,refute_0_95]) ).

cnf(refute_0_139,plain,
    ( product(e_1,e_1,e_2)
    | product(e_1,e_1,e_3) ),
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_138,e_1_is_not_e_2]) ).

cnf(refute_0_140,plain,
    ( equalish(e_1,e_3)
    | product(e_1,e_1,e_2) ),
    inference(resolve,[$cnf( product(e_1,e_1,e_3) )],[refute_0_139,refute_0_92]) ).

cnf(refute_0_141,plain,
    product(e_1,e_1,e_2),
    inference(resolve,[$cnf( equalish(e_1,e_3) )],[refute_0_140,e_1_is_not_e_3]) ).

cnf(refute_0_142,plain,
    equalish(e_1,e_2),
    inference(resolve,[$cnf( product(e_1,e_1,e_2) )],[refute_0_141,refute_0_91]) ).

cnf(refute_0_143,plain,
    $false,
    inference(resolve,[$cnf( equalish(e_1,e_2) )],[refute_0_142,e_1_is_not_e_2]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP134-1.003 : TPTP v8.1.0. Released v1.2.0.
% 0.07/0.12  % Command  : metis --show proof --show saturation %s
% 0.13/0.33  % Computer : n021.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jun 13 06:32:11 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.48/0.63  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.48/0.63  
% 0.48/0.63  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.48/0.64  
%------------------------------------------------------------------------------