Laws of form
Spencer-Brown, G
Laws of form - New York Julian Press 1972 - xxiv,141p. illus. 24 cm.
Bibliography: p. 136-137.
9780963989901
72080668
Logic, Symbolic and mathematical.
QA9 / .S63 1972
511.3 / BR-L
Laws of form - New York Julian Press 1972 - xxiv,141p. illus. 24 cm.
Bibliography: p. 136-137.
9780963989901
72080668
Logic, Symbolic and mathematical.
QA9 / .S63 1972
511.3 / BR-L