Which of the following substitutions proves this argument invalid?
All A are B.
Some B are not C.
Some C are not A.
Question 6 options:
A = fish, B = animals, C = dogs.
A = mammals, B = animals, C = cats.
C = animals, A = cats, B =mammals.
A = animals, B = fish, C = cats.
B = mammals, C = cats, A = dogs.