Friday, January 19, 2018

Lesage's Notes on Playing Cards

Georges-Louis Lesage (1724-1803), like some of his contemporaries, took notes on play cards.[1] Here is one card:



Two other persons who used playing cards are Gibbon and Rousseau.



1. See here

Saturday, January 13, 2018

Luhmann's Zettelproblem



This photograph illustrates one of the limitations of a paper-based Zettelkasten. You could say it illustrates only the problems created by a cheapskate like Luhmann.