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"content": "Demostraciones con Lean4 y con Isabelle/HOL de \"f⁻¹(u ∩ v) = f⁻¹(u) ∩ f⁻¹(v)\". https://jaalonso.github.io/calculemus/posts/2021/06/05-imagen_inversa_de_la_interseccion/ #LeanProver #IsabelleHOL #Math #Calculemus",
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