neural nets (was Re: virus: The Root of All Unhappiness Lies in Yourself.)

David McFadzean (
Sat, 4 Jan 1997 15:10:36 -0700

> From: Alexander Williams <>
> Date: Tuesday, December 24, 1996 2:08 PM
> Systems do not `run on' a NNet. NNets encode responses; they're not
> like generalized Turing Systems, they take input and convert it to
> output without `computation.' All they have are sets of input neurones
> and output neurones.

Nope. For any computational system (including a universal Turing machine),
there exists a neural net that will execute the exact same computation.
Perhaps you are thinking of perceptrons, a class of feedforward neural
nets that have no feedback loops or middle layers by definition.

David McFadzean       
Memetic Engineer      
Church of Virus