Diferencia entre revisiones de «Relación 1»
De Lógica computacional y teoría de modelos (2019-20)
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Revisión del 19:24 29 oct 2019
% Ejercicio 1. Calcular los conjuntos de respuesta del siguiente
% programa P y responder a las consultas siguientes: ¿p?, ¿q? 
p, q, r.
¬p :- not s.
% Solución:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Ejercicio 2: Calcular los conjuntos de respuesta del siguiente
% programa:
p :- not q.
q :- not p.
r :- not s.
s :- not r.
-s :- q.
% Solución:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Ejercicio 3: Dado el programa /P/ y el conjunto S = {p(c)}, obtener el
%  programa /P^S/ y decidir si S es un conjunto de respuesta de /P/.
p(a) :- not p(b).
p(b) :- not p(c).
p(c) :- not p(a).
% Solución:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Ejercicio 4: Calcular los conjuntos de respuesta del siguiente
%   programa /P/ y responder a las consultas siguientes: ¿s(a)?, ¿r(a)?,
%   ¿s(b)?, ¿q(b)?
-s(a).
p(X) :- not q(X), -s(X).
q(X) :- not p(X).
r(X) :- p(X).
r(X) :- q(X).
% Solución:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Ejercicio 5:Calcular los conjuntos de respuesta del siguiente
%   programa /P/ y responder a las consultas siguientes: ¿q(a)?, ¿r(a)?,
%   ¿q(b)?, ¿r(b)?
p(a), -p(b).
q(X) :- -p(X).
-q(X) :- not q(X).
r(X) :- not p(X).
% Solución:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Ejercicio 6: Calcular los conjuntos de respuesta del siguiente
%   programa /P/ y responder a las consultas siguientes: ¿p(b)?,¿q(b)?, ¿r(b)?
p(X),q(X) :- not r(X).
-p(X) :- h(X), not r(X).
h(a).
h(b).
r(a).
% Solución
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Ejercicio 7: Consideremos la siguiente situación: "Si Juan no compra
%   juguetes para sus hijos, los niños de Juan no recibirán juguetes por
%   Reyes. Si los hijos de Juan no escriben sus cartas a los Reyes, Juan
%   no les comprará juguetes. Los niños de Juan reciben juguetes por
%   Reyes". Supongamos que la interpretación de esta historia implica que
%   los hijos de Jim escribieron las cartas a los Reyes. 
%   + Modelizar esta historia como un programa ASP y calcular los
%     conjuntos de respuesta, usando la disyunción para representar la ley
%     del tercio excluso.
%   + Modelizar esta historia en un programa ASP y calcular los conjuntos
%     de respuesta esta vez haciendo explícito el contrapositivo para cada
%     afirmación.
% Solución:
