https://www.youtube.com/watch?v=3czgfHULZCs This is my full introductory math proof course called "Prove it like a Mathematician" (Intro to mathematical proofs). I hope you enjoy it! For any corrections, please see the video description. -- https://taigi.fhl.net/dict/gm.php?fn=A/A0814.png sui5-tit9 pinn5/penn5-pun suann3 垂直平分线 perpendicular bisector https://taigi.fhl.net/dict/gm.php?fn=B/B0721.png --

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