Which of the following statements is atest implication for the theory that "all birds can fly"?
A) If all birds can fly, then penguins can fly.
B) Helicopters should be considered birds.
C) Penguins are not birds.
D) Penguins are birds or they can fly.
E) No insects are birds.
F) none of these

Question

Quizplus · Accepted Answer

If the theory states that "all birds can fly," then logically, any bird, including penguins, should be able to fly. Since penguins are birds that cannot fly, this directly challenges the theory, making option A the correct test implication.

Which of the Following Statements Is Atest Implication for the Theory