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Poincaré TheoremConjecture. If you are (A) a 3-manifold, (B) closed, and (C) simply-connected, then you are (D) the 3-sphere.
Poincaré Theorem. If you are (A) a 3-manifold, (B) closed, and (C) simply-connected, then you are the 3-sphere.
Poincaré Conjecture. If you are (A) a 3-manifold, (B) closed, and (C) simply-connected, then you are (D) the 3-sphere.