TPTP Problem File: GRP743-1.p

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%------------------------------------------------------------------------------
% File     : GRP743-1 : TPTP v8.2.0. Released v4.0.0.
% Domain   : Group Theory (Quasigroups)
% Problem  : Biassociative non-associative Steiner loop
% Version  : Especial.
% English  :

% Refs     : [Sta08] Stanovsky (2008), Email to G. Sutcliffe
% Source   : [Sta08]
% Names    :

% Status   : Satisfiable
% Rating   : 0.89 v8.2.0, 0.80 v8.1.0, 0.75 v7.5.0, 0.50 v7.1.0, 0.67 v7.0.0, 0.33 v6.4.0, 0.50 v6.3.0, 0.33 v6.2.0, 0.83 v6.1.0, 0.80 v5.5.0, 1.00 v5.2.0, 0.67 v4.0.1, 1.00 v4.0.0
% Syntax   : Number of clauses     :   10 (  10 unt;   0 nHn;   1 RR)
%            Number of literals    :   10 (  10 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    1 (   0 usr;   0 prp; 2-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   17 (   0 sgn)
% SPC      : CNF_SAT_RFO_PEQ_UEQ

% Comments : Size 16
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cnf(c01,axiom,
    mult(A,ld(A,B)) = B ).

cnf(c02,axiom,
    ld(A,mult(A,B)) = B ).

cnf(c03,axiom,
    mult(rd(A,B),B) = A ).

cnf(c04,axiom,
    rd(mult(A,B),B) = A ).

cnf(c05,axiom,
    mult(A,unit) = A ).

cnf(c06,axiom,
    mult(unit,A) = A ).

cnf(c07,axiom,
    mult(A,mult(A,B)) = B ).

cnf(c08,axiom,
    mult(A,B) = mult(B,A) ).

cnf(c09,axiom,
    mult(A,mult(mult(A,mult(B,C)),C)) = mult(mult(A,mult(mult(A,B),C)),C) ).

cnf(sos,axiom,
    mult(mult(a,b),c) != mult(a,mult(b,c)) ).

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