As for the frog you see there, it's really a toad. I'm proving toads don't exist.Angela to Eragon and Brom

Frogs could possibly mean only the general scientific term of a frog, but Angela the witch attempted to add toads to this perspective to end their usage in black magic. Later in Eldest, Angela found that all toads could be considered as frogs, but not all frogs could be considered toads, thus proving her statement that toads are indeed frogs.

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