I’ve got a Leibniz joke but it’d just get a moan ad infinitum. https://t.co/mn78UJFJHQ— Dr Peter Sjöstedt-H (@PeterSjostedtH)…

I’ve got a Leibniz joke but it’d just get a moan ad infinitum. https://t.co/mn78UJFJHQ
— Dr Peter Sjöstedt-H (@PeterSjostedtH) July 24, 2020