A logical calculus of the ideas immanent in nervous activity

WS McCulloch, W Pitts - The bulletin of mathematical biophysics, 1943 - Springer
Because of the “all-or-none” character of nervous activity, neural events and the relations
among them can be treated by means of propositional logic. It is found that the behavior of
every net can be described in these terms, with the addition of more complicated logical
means for nets containing circles; and that for any logical expression satisfying certain
conditions, one can find a net behaving in the fashion it describes. It is shown that many
particular choices among possible neurophysiological assumptions are equivalent, in the …

A logical calculus of the ideas immanent in nervous activity

WS McCulloch, W Pitts - Bulletin of mathematical biology, 1990 - Springer
Because of the “all-or-none” character of nervous activity, neural events and the relations
among them can be treated by means of propositional logic. It is found that the behavior of
every net can be described in these terms, with the addition of more complicated logical
means for nets containing circles; and that for any logical expression satisfying certain
conditions, one can find a net behaving in the fashion it describes. It is shown that many
particular choices among possible neurophysiological assumptions are equivalent, in the …
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