https://monodes.com/predaelli/2021/12/21/ten-theorems-formulated-in-basic-math-terms-proved-after-decades-centuries-or-millennia/ A civil engineer with a longlife fondness for Software Libero Sat, 24 Sep 2022 08:46:44 +0000 hourly 1 https://wordpress.org/?v=6.7.2