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  • Ben Anderson

    Proof of Zermelo's well-ordering theorem given the Axiom of Choice: 1: Take S to be any set. 2: When I reach step three, if S hasn't managed to find a well-ordering relation for itself, I'll feed it into this wood chipper. 3: Hey, look, S is well-ordered.

  • Lily Gray

    Set theory

  • Beth Wright

    math humor

  • Christopher Moylan

    I feel like if I did become a math teacher, this is the kind I'd be.

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Maybe my students have never taken Trig (or any "typical" math class), maybe they don't even know how to multiply, but that certainly doesn't mean they can't do the functions dance.

  • Emily Curtin

    This is the most helpful thing the internet has ever blessed me with…Mrs. Guth needs to use this for Algebra 2!!! Lydia Williams


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The Strong Collatz Conjecture states that this holds for any set of obsessively-hand-applied rules.

I know I would if I were a kindergarten teacher...

I taught 8th grade earth science for one year. This is how I hope all those kids remember me.

Ha! See? You never know when you'll need math! :)

"It's Weird how proud people are of not learning math when the same arguments apply to learning to play music, cook, or speak a foreign language" xkcd

Math humor! I laughed so hard!! Gonna put this on my next Alg II test!!!!

See all 31 comments

You’re playing a dangerous game… Hahaha! I could only imagine if this happened at my high school :)

This would be the PERFECT moment to sing the first verse of "Don't Stop Believing" and have the rest of the class finish it verse by verse.