Here's an interactive website for trying the system out https://lewiscarrollresources.net/gameoflogic/demonstrator.html https://lewiscarrollresources.net/gameof

Here's an interactive website for trying the system out https://lewiscarrollresources.net/gameoflogic/demonstrator.html https://lewiscarrollresources.net/gameoflogic/demonstrator.h... Does anyone know if this graphical reasoning system something Lewis Carroll invented himself? It looks like he also wrote a sequel book, about how to turn the system into a game: https://archive.org/details/gameoflogic00carruoft/page/28/mode/2up https://archive.org/details/gameoflogic00carruoft/page/28/mo... Unfortunately it hasn't been digitised as well as OP