This volume is a collection of articles on themes related to the book
Laws of Form
by George Spencer-Brown.
was first published in 1969 and brings forth a new articulation of the foundations of thought. In
we have a mathematical formalism based on one symbol and an approach to the question how the world would appear if a distinction could be drawn.
does not answer the question how, given nothing as a beginning, a distinction can, indeed must, inevitably take place. This second question must, in its own structure, be left to each individual thinker. Nevertheless,
, beautifully written and content free (form is emptiness, emptiness is form) is the most powerful mathematical text on the edge of nothing that has been produced since Euclid's
Elements
. These papers are a tribute to Spencer-Brown and his singular achievement.