ISRO | ISRO CS 2020 | Question 11

Given that

B(a) means “a is a bear”
F(a) means “a is a fish” and
E(a, b) means “a eats b” 

Then what is the best meaning of

∀x[F (x) → ∀y(E(y, x) → b(y))] 

(A) Every fish is eaten by some bear
(B) Bears eat only fish
(C) Every bear eats fish
(D) Only bears eat fish


Answer: (D)

Explanation:

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