Only frogs and toads inhabit this cave.
A) (x)[Ix ⊃ (Fx ∨ Tx)]
B) (∃x)[(Fx • Tx) ⊃ Ix]
C) (x)[Ix ⊃(Fx • Tx)]
D) (x)[(Fx • Tx) ⊃ Ix]
E) (x)[(Fx ∨ Tx) ⊃ Ix]

Question

Quizplus · Accepted Answer

The statement "Only frogs and toads inhabit this cave" means that if something inhabits the cave (Ix), then it must be either a frog (Fx) or a toad (Tx), which is represented by (x)[Ix ⊃ (Fx ∨ Tx)].

Only Frogs and Toads Inhabit This Cave