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theorem proved term proof

upsilon_star_bounds

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formal statement (Lean)

  78theorem upsilon_star_bounds : 1.5 < upsilon_star ∧ upsilon_star < 1.62 := by

proof body

Term-mode proof.

  79  unfold upsilon_star
  80  exact ⟨phi_gt_onePointFive, phi_lt_onePointSixTwo⟩
  81
  82/-- Upsilon-star bounds imply positivity of the stellar mass-to-light ratio. -/

depends on (9)

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