{"version":"1.0","type":"link","title":"Laws of Form - Newikis","description":"Laws of Form is a book by George Spencer-Brown published in 1969. It is about logic, mathematics, and philosophy. The mathematical systems that Spencer-Brown presented in the book are known by the names \"calculus of indications\", \"distinction calculus\", and often just \"LOF\".","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}