38 Cats eat only animals Something fuzzy exists Everything t

38 Cats eat only animals. Something fuzzy exists. Everything that\'s fuzzy is a cat. And everything eats some- thing. So animals exist. C(a), E(r, y), A(x),Fx)

Solution

Cats eat only animals.C(x)

Somthing fuzzy exists E(x,y)

Everything that is a fuzzy is a cat. A(x)

Everything eats something F(x)

E(x,y) implies A(x)

If F(x) is true then A(x) is also true.

Since A(x) is true, C(x) implies there exist animals.