Displaying the Laws of Form in ASCII (opens in new tab)

I first had trouble displaying the symbols Spencer-Brown uses for his when I wanted to include them in my essay on femininity and death. I wrote the paper in Google Docs, so using LaTeX wasn't an option, and the equation-menu being fairly constrained, I resorted to drawing my katjects – yielding unsatisfying results. When I decided to post the essay on this blog I met the same problem – although Bearblog allows using mathematical notation, displaying the symbols requires , which I don't think...