`BookProof.ChapterFreeFieldBornFiberSpectrum.bornFiber_card_dvd_two_pow_n` {p : ↥(stdSimplex ℝ (Fin n))} : Nat.card ↥(bornMapSphere n ⁻¹' {p}) ∣ 2 ^ n

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`BookProof.ChapterFreeFieldBornFiberSpectrum.bornFiber_card_dvd_two_pow_n` {p : ↥(stdSimplex ℝ (Fin n))} : Nat.card ↥(bornMapSphere n ⁻¹' {p}) ∣ 2 ^ n · Prove2Me