Comment on Listen here, Little Dicky

someacnt@sh.itjust.works ⁨4⁩ ⁨days⁩ ago

But df/dx is a fraction, is a ratio between differential of f and standard differential of x. They both live in the tangent space TR, which is isomorphic to R.

What’s not fraction is \partial f / \partial x, but likely you already know that. This is akin to how you cannot divide two vectors.

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