UGC NET Logical Reasoning Q28

Question

If the proposition 'some fishes are not amphibians' is given as false then which of the following propositions can be immediately inferred to be true?
A. No amphibians are fishes.
B. All fishes are amphibians.
C. No fishes are amphibians.
D. Some fishes are amphibians.
Choose the most appropriate answer from the options given below:

Accepted Answer

and D only