Event JSON
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"content": "#Calculemus: Proofs with Lean4 and Isabelle/HOL of \"take n xs ++ drop n xs = xs\". https://jaalonso.github.io/calculemus/posts/2024/08/14-proofs_of_take_n_xs_%2B%2B_drop_n_xs_eq_xs/ #ITP #Lean4 #IsabelleHOL #Math",
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