TPTP Problem File: ALG213-10.p
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% File : ALG213-10 : TPTP v9.0.0. Released v8.1.0.
% Domain : General Algebra (Median Algebra)
% Problem : Distributivity, short version
% Version : [VMURL] axioms.
% English :
% Refs : [VMURL] Veroff & McCune (URL), First-order Proof of a Median A
% : [Sma21] Smallbone (2021), Email to Geoff Sutcliffe
% Source : [Sma21]
% Names :
% Status : Unsatisfiable
% Rating : 0.95 v9.0.0, 1.00 v8.2.0, 0.96 v8.1.0, 1.00 v3.2.0
% Syntax : Number of clauses : 5 ( 5 unt; 0 nHn; 1 RR)
% Number of literals : 5 ( 5 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 1 ( 0 usr; 0 prp; 2-2 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-3 aty)
% Number of variables : 12 ( 1 sgn)
% SPC : CNF_UNS_RFO_PEQ_UEQ
% Comments : UEQ version, converted from ALG213+1.p
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%----Include median algebra axioms
include('Axioms/ALG002-0.ax').
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cnf(dist_long,negated_conjecture,
f(f(x,y,z),u,w) != f(x,f(y,u,w),f(z,u,w)) ).
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