Question

Select the statement which is the logical equivalent to the given statement. "If the creature is a bird, it has feathers."
1. Some birds have feathers.
2. All feathered creatures are birds.
3. Some birds do not have feathers.
4. No feathered creatures are birds.

Answer 1

Correct Answer - Option 1 : Some birds have feathers.

Statement : "If the creature is a bird, it has feathers"

Option 1) Some birds have feathers. →  Some creature who will have feature are birds So, this statement will logically follow.

Option 2) All feathered creatures are birds. → As statement starts with "if" we cannot state "All feathered creatures are birds" so, this statement will not logically follow

Option 3) Some birds do not have feathers.  → As nothing is mentioned about weather some birds don't have feathers or not. So, this statement will not logically follow.

Option 4) No feathered creatures are birds. → As no information is mentioned about creatures which don't have feathers are bird or not. So, this statement will not logically follow.

Hence "Some birds have feathers." is correct answer.