Thursday, September 20, 2018

Mathematical uncertainty


‘Kay, this one’s a month old, but still.

As you know, I very often walk along the W&OD Trail, dodging cyclists and hardcore runners. Occasionally there will be signs announcing one event or another. (Although there wasn’t any advance warning about a Diabetes Run that happened two Saturdays ago; first I heard of it was them setting up for it as I did my morning stagger. And a run marshal, who was unpacking his kit and lamenting—loudly—that he was missing a page of instructions. Oops.)

Anyhow, last month I was out and saw this:


I’m still puzzling over the commutative tee-shirt.



No comments: