Mathematics is the perfect method

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Die Geisterschrift | Christoph Borer Luftballon Mathematics is the perfect methodThe Ghost Writing by Christoph Borer 2nd edition, brochure DIN A5, with sketches, 50 pages Contents: The subject of this booklet is "Spirit Writing," the writing that appears when ash is rubbed across the forearm. This book offers many reflections, techniques, and effects on this topic by Christoph Borer, along with contributions from Pat Perry, Markus Gabriel, and Reinhard Mller. The booklet includes aspects of theory, technique, and historical