Logical Possibility
Instrucción: Determine whether each statement describes something logically possible or logically impossible. Explain briefly.
1.
A person is 500 years old.
¿Lógicamente posible o imposible? ¿Por qué?
2.
A square has four sides and three sides at the same time.
¿Lógicamente posible o imposible? ¿Qué principio está involucrado?
3.
George Washington was never president of the United States.
¿Lógicamente posible o imposible?
Clave para el estudiante: Aquí hay una distinción importante: algo puede ser falso sin ser lógicamente imposible.
Causal Possibility
Instrucción: Determine whether each situation is causally possible or causally impossible, assuming the currently accepted laws of nature.
1.
A person jumps from a building and falls upward into the sky without any external force acting on them.
¿Causalmente posible o imposible? ¿Por qué?
2.
A person travels from New York to London in one second using a machine that moves faster than light.
¿Causalmente posible o imposible?
3.
A person survives for several minutes without breathing.
¿Causalmente posible o imposible?
Conceivability
Instrucción: Determine whether the situation is conceivable or inconceivable. Give a reason.
1.
Imagine a world in which humans have wings and can fly.
¿Concebible o inconcebible?
2.
Imagine a triangle with four sides.
¿Concebible o inconcebible?
3.
Imagine that tomorrow the Sun rises in the west.
¿Concebible o inconcebible?
Law of Non-Contradiction
Instrucción: Determine whether each statement violates the law of non-contradiction.
1.
“This object is completely red and completely not red at the same time and in the same respect.”
¿Viola el principio? ¿Por qué?
2.
“John is married and John is unmarried.”
¿Es necesariamente una contradicción? Explica qué información adicional necesitaríamos.
3.
“This number is both even and odd.”
¿Viola el principio de no contradicción?
Put Them Together
Para cada caso, indique si es:
A. Lógicamente posible
B. Lógicamente imposible
C. Causalmente posible
D. Causalmente imposible
E. Concebible
F. Inconcebible
Puede haber más de una respuesta correcta.
1.
Dragons exist on another planet.
2.
A married bachelor exists.
3.
A human being lives to be 200 years old.
4.
2 + 2 = 5.
5.
A person travels back in time.
No comments:
Post a Comment