`BookProof.ChapterFreeFieldBornFiberTwo.two_le_bornFiber_card` {p : ↥(stdSimplex ℝ (Fin n))} : 2 ≤ Nat.card ↥(bornMapSphere n ⁻¹' {p})

Initializing...

`BookProof.ChapterFreeFieldBornFiberTwo.two_le_bornFiber_card` {p : ↥(stdSimplex ℝ (Fin n))} : 2 ≤ Nat.card ↥(bornMapSphere n ⁻¹' {p}) · Prove2Me