exists_open_nonempty_homeomorph_isEmpty_diffeomorph_euclideanSpace_four — Mathlib · SciLib

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exists_open_nonempty_homeomorph_isEmpty_diffeomorph_euclideanSpace_four

Mathlib.Geometry.Manifold.PoincareConjecture

URI: https://scilib.ai/kg/mathlib#exists_open_nonempty_homeomorph_isEmpty_diffeomorph_euclideanSpace_four

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