That may be a valid concern, but isn't that how we learn about all things? Generalize "chairness" from many examples of chairs we've seen? I feel like visualisi

That may be a valid concern, but isn't that how we learn about all things? Generalize "chairness" from many examples of chairs we've seen? I feel like visualising is really helpful while getting to the point where you actually "feel" the concept of a triangle in your mind. Animation sounds like good way of doing that too.