apple-0.1.0.0: test/examples/neuralNetwork.apple

{
  softmax ← λx. {
    -- TODO: softmax... what's the key for max?
    xs ⟜ [ℯ(_x)]'1 x;
    avg ← (+)/ 0 xs;
    (%avg)'1 xs
  };
  sigmoid ← [1+ℯ(_x)];
  sigmoid
}