Update mathlib
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@@ -94,9 +94,9 @@ lemma int₀
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let ρ := ‖a‖⁻¹
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have hρ : 1 < ρ := by
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apply one_lt_inv_iff.mpr
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apply one_lt_inv_iff₀.mpr
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constructor
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· exact norm_pos_iff'.mpr h₁a
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· exact norm_pos_iff.mpr h₁a
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· exact mem_ball_zero_iff.mp ha
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let F := fun z ↦ log ‖1 - z * a‖
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@@ -114,7 +114,7 @@ lemma int₀
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_ < ρ * ‖a‖ := by
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apply (mul_lt_mul_right _).2
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exact mem_ball_zero_iff.mp hx
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exact norm_pos_iff'.mpr h₁a
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exact norm_pos_iff.mpr h₁a
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_ = 1 := by
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dsimp [ρ]
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apply inv_mul_cancel₀
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