Math Teaching of Universal Truths Date: May 18, 2007Author: Megan Hayes-Golding (from xkcd with the hat tip to Jon Shannon via 2 Cents Worth) Share this: Click to share on Bluesky (Opens in new window) Bluesky Click to share on Mastodon (Opens in new window) Mastodon Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Like Loading... Related