TPTP Problem File: CAT005-1.p
View Solutions
- Solve Problem
%--------------------------------------------------------------------------
% File : CAT005-1 : TPTP v9.0.0. Released v1.0.0.
% Domain : Category Theory
% Problem : Domain is the unique right identity
% Version : [Mit67] axioms.
% English : domain(x) is the unique identity i such that xi is defined.
% Refs : [Mit67] Mitchell (1967), Theory of Categories
% : [MOW76] McCharen et al. (1976), Problems and Experiments for a
% Source : [ANL]
% Names : C5 [MOW76]
% : p5.ver1.in [ANL]
% Status : Unsatisfiable
% Rating : 0.00 v6.0.0, 0.22 v5.5.0, 0.25 v5.4.0, 0.20 v5.3.0, 0.33 v5.2.0, 0.25 v5.1.0, 0.29 v5.0.0, 0.14 v4.1.0, 0.11 v4.0.1, 0.17 v3.7.0, 0.00 v2.2.1, 0.11 v2.2.0, 0.00 v2.0.0
% Syntax : Number of clauses : 21 ( 9 unt; 0 nHn; 15 RR)
% Number of literals : 48 ( 2 equ; 28 neg)
% Maximal clause size : 4 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 0 prp; 1-3 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 52 ( 5 sgn)
% SPC : CNF_UNS_RFO_SEQ_HRN
% Comments :
%--------------------------------------------------------------------------
%----Include Mitchell's axioms for category theory
include('Axioms/CAT001-0.ax').
%--------------------------------------------------------------------------
cnf(ad_defined,hypothesis,
defined(a,d) ).
cnf(d_is_identity_map,hypothesis,
identity_map(d) ).
cnf(prove_domain_of_a_is_d,negated_conjecture,
domain(a) != d ).
%--------------------------------------------------------------------------