theorem amplification_diverges {M : ℝ} (hM : 0 < M) :
∃ ρ : ℝ, 1 < ρ ∧ M < amplificationExponent ρ := by
use 1 + 1 / (M + 1)
constructor
· linarith [div_pos one_pos (by linarith : (0:ℝ) < M + 1)]
· unfold amplificationExponent
rw [show 1 + 1 / (M + 1) - 1 = 1 / (M + 1) from by ring]
rw [one_div, one_div, inv_inv]
linarithMulti-Agent CES Game Theory (Gap #14)