A delightful proof that 2+2=4

This is a look at how you would prove 2 2=4 using Peano axioms. If all else fails just say that the answer is w e e d e a t e r. This episode of the Joy of Mathematics was sponsored by Brilliant: My veggietales video: A great explanation of the Peano axioms from PBS spacetime: Peano axioms Wikipedia: video ft. Ketchup and Henry 💌 Subscribe to my channel to see more videos like this: 🍎 Support me with a monthly donation on Patreon and receive a gift from me and access to my podcast: ☕️ Buy me a coffee (one-off donation): 👁 Website: ​ 📚 TikTok: @tibees 🐦 Twitter: ​ #JoyOfMathematics