{"product_id":"laws-of-form-a-fiftieth-anniversary","title":"Laws Of Form: A Fiftieth Anniversary","description":"Laws of Form is a seminal work in foundations of logic, mathematics and philosophy published by G Spencer-Brown in 1969. The book provides a new point of view on form and the role of distinction, markedness and the absence of distinction (the unmarked state) in the construction of any universe. A conference was held August 8-10, 2019 at the Old Library, Liverpool University, 19 Abercromby Square, L697ZN, UK to celebrate the 50th anniversary of the publication of Laws of Form and to remember George Spencer-Brown, its author. The book is a collection of papers introducing and extending Laws of Form written primarily by people who attended the conference in 2019.","brand":"World Scientific Publishing Co Pte Ltd","offers":[{"title":"Default Title","offer_id":54238663573848,"sku":"9789811247422","price":217.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/1295\/4195\/files\/9789811247422.jpg?v=1777581925","url":"https:\/\/agendabookshop.com\/products\/laws-of-form-a-fiftieth-anniversary","provider":"Agenda Bookshop","version":"1.0","type":"link"}