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: Share on Bluesky (Opens in new window) Bluesky Share on Mastodon (Opens in new window) Mastodon Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Like Loading... Related