theorem
proved
term proof
three_point_affine_log_closure
show as:
view Lean formalization →
formal statement (Lean)
236theorem three_point_affine_log_closure
237 {a b c : ℝ}
238 (hb : 1 < b)
239 (h0 : gapAffineLogR a b c 0 = 0)
240 (h1 : gapAffineLogR a b c 1 = 1)
241 (hneg1 : gapAffineLogR a b c (-1) = -2) :
242 ThreePointAffineLogClosure (a := a) (b := b) (c := c) := by
proof body
Term-mode proof.
243 have hparams : b = phi ∧ a = 1 / Real.log phi ∧ c = 0 :=
244 affine_log_parameters_forced_by_three_point_calibration hb h0 h1 hneg1
245 refine ⟨hparams.1, hparams.2.1, hparams.2.2, ?_⟩
246 exact affine_log_collapses_from_three_point_calibration hb h0 h1 hneg1
247
248end
249end GapFunctionForcing
250end Masses
251end IndisputableMonolith