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https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
set s := superF d
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (⋯.potential c ↑z))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (⋯.potential c ↑z)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
suffices h : Tendsto (fun n ↦ (abs ((f' d c)^[n] z) * s.potential c ↑((f' d c)^[n] z)) ^ (-((d ^ n : ℕ) : ℝ)⁻¹)) atTop (𝓝 1) by replace h := h.mul_const (s.potential c z) simp only [div_mul_cancel₀ _ potential_pos.ne', one_mul, ← f_f'_iter, s.potential_eqn_iter, Real.mul_rpow (Complex.abs.nonneg _) (pow_nonneg s.potential_nonneg _), Real.pow_rpow_inv_natCast s.potential_nonneg (pow_ne_zero _ (d_ne_zero d)), Real.rpow_neg (pow_nonneg s.potential_nonneg _), ← div_eq_mul_inv] at h exact h
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z) * s.potential c ↑((f' d c)^[n] z)) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [← s.abs_bottcher, ← Complex.abs.map_mul, mul_comm _ (s.bottcher _ _)]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z) * s.potential c ↑((f' d c)^[n] z)) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z) * s.potential c ↑((f' d c)^[n] z)) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [Metric.tendsto_atTop]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ ∀ ε > 0, ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < ε
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
intro r rp
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ ∀ ε > 0, ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < ε
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 ⊢ ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ ∀ ε > 0, ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < ε TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rcases Metric.tendsto_atTop.mp ((bottcher_large_approx d c).comp (tendsto_iter_atInf d z3 cz)) (min (1 / 2) (r / 4)) (by bound) with ⟨n, h⟩
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 ⊢ ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < r
case intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) ⊢ ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 ⊢ ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
use n
case intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) ⊢ ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) ⊢ ∀ n_1 ≥ n, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n_1] z) * (f' d c)^[n_1] z) ^ (-(↑(d ^ n_1))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: case intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) ⊢ ∃ N, ∀ n ≥ N, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n] z) * (f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
intro k nk
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) ⊢ ∀ n_1 ≥ n, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n_1] z) * (f' d c)^[n_1] z) ^ (-(↑(d ^ n_1))⁻¹)) 1 < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) k : ℕ nk : k ≥ n ⊢ dist (Complex.abs (s.bottcher c ↑((f' d c)^[k] z) * (f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) ⊢ ∀ n_1 ≥ n, dist (Complex.abs (s.bottcher c ↑((f' d c)^[n_1] z) * (f' d c)^[n_1] z) ^ (-(↑(d ^ n_1))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
specialize h k nk
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) k : ℕ nk : k ≥ n ⊢ dist (Complex.abs (s.bottcher c ↑((f' d c)^[k] z) * (f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) 1 < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) ⊢ dist (Complex.abs (s.bottcher c ↑((f' d c)^[k] z) * (f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n : ℕ h : ∀ n_1 ≥ n, dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) n_1) 1 < min (1 / 2) (r / 4) k : ℕ nk : k ≥ n ⊢ dist (Complex.abs (s.bottcher c ↑((f' d c)^[k] z) * (f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
generalize hw : (f' d c)^[k] z = w
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) ⊢ dist (Complex.abs (s.bottcher c ↑((f' d c)^[k] z) * (f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) 1 < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) w : ℂ hw : (f' d c)^[k] z = w ⊢ dist (Complex.abs (s.bottcher c ↑w * w) ^ (-(↑(d ^ k))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) ⊢ dist (Complex.abs (s.bottcher c ↑((f' d c)^[k] z) * (f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
generalize hp : s.bottcher c w * w = p
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) w : ℂ hw : (f' d c)^[k] z = w ⊢ dist (Complex.abs (s.bottcher c ↑w * w) ^ (-(↑(d ^ k))⁻¹)) 1 < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) w : ℂ hw : (f' d c)^[k] z = w p : ℂ hp : s.bottcher c ↑w * w = p ⊢ dist (Complex.abs p ^ (-(↑(d ^ k))⁻¹)) 1 < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) w : ℂ hw : (f' d c)^[k] z = w ⊢ dist (Complex.abs (s.bottcher c ↑w * w) ^ (-(↑(d ^ k))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [hw, hp, Function.comp, Complex.dist_eq, Real.dist_eq] at h ⊢
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) w : ℂ hw : (f' d c)^[k] z = w p : ℂ hp : s.bottcher c ↑w * w = p ⊢ dist (Complex.abs p ^ (-(↑(d ^ k))⁻¹)) 1 < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n w : ℂ hw : (f' d c)^[k] z = w p : ℂ hp : s.bottcher c ↑w * w = p h : Complex.abs (p - 1) < min (1 / 2) (r / 4) ⊢ |Complex.abs p ^ (-(↑(d ^ k))⁻¹) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n h : dist (((fun z => ⋯.bottcher c ↑z * z) ∘ fun n => (f' d c)^[n] z) k) 1 < min (1 / 2) (r / 4) w : ℂ hw : (f' d c)^[k] z = w p : ℂ hp : s.bottcher c ↑w * w = p ⊢ dist (Complex.abs p ^ (-(↑(d ^ k))⁻¹)) 1 < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
clear hp w hw nk n s cz z3
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n w : ℂ hw : (f' d c)^[k] z = w p : ℂ hp : s.bottcher c ↑w * w = p h : Complex.abs (p - 1) < min (1 / 2) (r / 4) ⊢ |Complex.abs p ^ (-(↑(d ^ k))⁻¹) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) ⊢ |Complex.abs p ^ (-(↑(d ^ k))⁻¹) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 n k : ℕ nk : k ≥ n w : ℂ hw : (f' d c)^[k] z = w p : ℂ hp : s.bottcher c ↑w * w = p h : Complex.abs (p - 1) < min (1 / 2) (r / 4) ⊢ |Complex.abs p ^ (-(↑(d ^ k))⁻¹) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
generalize ha : abs p = a
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) ⊢ |Complex.abs p ^ (-(↑(d ^ k))⁻¹) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a ⊢ |a ^ (-(↑(d ^ k))⁻¹) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) ⊢ |Complex.abs p ^ (-(↑(d ^ k))⁻¹) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
generalize hb : ((d ^ k : ℕ) : ℝ)⁻¹ = b
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a ⊢ |a ^ (-(↑(d ^ k))⁻¹) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a ⊢ |a ^ (-(↑(d ^ k))⁻¹) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have a1 : |a - 1| < min (1 / 2) (r / 4) := by rw [← ha]; refine lt_of_le_of_lt ?_ h rw [← Complex.abs.map_one]; apply Complex.abs.abs_abv_sub_le_abv_sub
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have am : a ∈ ball (1 : ℝ) (1 / 2) := by simp only [mem_ball, Real.dist_eq]; exact (lt_min_iff.mp a1).1
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have b0 : 0 ≤ b := by rw [← hb]; bound
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have b1 : b ≤ 1 := by rw [← hb]; bound
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have hd : ∀ x, x ∈ ball (1 : ℝ) (1 / 2) → HasDerivAt (fun x ↦ x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * log x) x := by intro x m; apply HasDerivAt.rpow (hasDerivAt_id _) (hasDerivAt_const _ _) simp only [mem_ball, Real.dist_eq, id] at m ⊢; linarith [abs_lt.mp m]
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [MulZeroClass.zero_mul, add_zero, one_mul] at hd
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have bound : ∀ x, x ∈ ball (1 : ℝ) (1 / 2) → ‖deriv (fun x ↦ x ^ (-b)) x‖ ≤ 4 := by intro x m simp only [(hd x m).deriv, Real.norm_eq_abs, abs_mul, abs_neg, abs_of_nonneg b0] simp only [mem_ball, Real.dist_eq, abs_lt, lt_sub_iff_add_lt, sub_lt_iff_lt_add] at m norm_num at m have x0 : 0 < x := by linarith calc b * |x ^ (-b - 1)| _ ≤ 1 * |x| ^ (-b - 1) := by bound _ = (x ^ (b + 1))⁻¹ := by rw [← Real.rpow_neg x0.le, neg_add', one_mul, abs_of_pos x0] _ ≤ ((1 / 2 : ℝ) ^ (b + 1))⁻¹ := by bound _ = 2 ^ (b + 1) := by rw [one_div, Real.inv_rpow zero_le_two, inv_inv] _ ≤ 2 ^ (1 + 1 : ℝ) := by bound _ ≤ 4 := by norm_num
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have le := Convex.norm_image_sub_le_of_norm_deriv_le (fun x m ↦ (hd x m).differentiableAt) bound (convex_ball _ _) (mem_ball_self (by norm_num)) am
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : ‖a ^ (-b) - 1 ^ (-b)‖ ≤ 4 * ‖a - 1‖ ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [Real.norm_eq_abs, Real.one_rpow] at le
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : ‖a ^ (-b) - 1 ^ (-b)‖ ≤ 4 * ‖a - 1‖ ⊢ |a ^ (-b) - 1| < r
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ |a ^ (-b) - 1| < r
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : ‖a ^ (-b) - 1 ^ (-b)‖ ≤ 4 * ‖a - 1‖ ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
calc |a ^ (-b) - 1| _ ≤ 4 * |a - 1| := le _ < 4 * (r / 4) := by linarith [(lt_min_iff.mp a1).2] _ = r := by ring
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ |a ^ (-b) - 1| < r
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ |a ^ (-b) - 1| < r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
replace h := h.mul_const (s.potential c z)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun n => (Complex.abs ((f' d c)^[n] z) * s.potential c ↑((f' d c)^[n] z)) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun k => (Complex.abs ((f' d c)^[k] z) * s.potential c ↑((f' d c)^[k] z)) ^ (-(↑(d ^ k))⁻¹) * s.potential c ↑z) atTop (𝓝 (1 * s.potential c ↑z)) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun n => (Complex.abs ((f' d c)^[n] z) * s.potential c ↑((f' d c)^[n] z)) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 1) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [div_mul_cancel₀ _ potential_pos.ne', one_mul, ← f_f'_iter, s.potential_eqn_iter, Real.mul_rpow (Complex.abs.nonneg _) (pow_nonneg s.potential_nonneg _), Real.pow_rpow_inv_natCast s.potential_nonneg (pow_ne_zero _ (d_ne_zero d)), Real.rpow_neg (pow_nonneg s.potential_nonneg _), ← div_eq_mul_inv] at h
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun k => (Complex.abs ((f' d c)^[k] z) * s.potential c ↑((f' d c)^[k] z)) ^ (-(↑(d ^ k))⁻¹) * s.potential c ↑z) atTop (𝓝 (1 * s.potential c ↑z)) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun k => Complex.abs ((f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) atTop (𝓝 (s.potential c ↑z)) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun k => (Complex.abs ((f' d c)^[k] z) * s.potential c ↑((f' d c)^[k] z)) ^ (-(↑(d ^ k))⁻¹) * s.potential c ↑z) atTop (𝓝 (1 * s.potential c ↑z)) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
exact h
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun k => Complex.abs ((f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) atTop (𝓝 (s.potential c ↑z)) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z))
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d h : Tendsto (fun k => Complex.abs ((f' d c)^[k] z) ^ (-(↑(d ^ k))⁻¹)) atTop (𝓝 (s.potential c ↑z)) ⊢ Tendsto (fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (s.potential c ↑z)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
bound
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 ⊢ min (1 / 2) (r / 4) > 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d r : ℝ rp : r > 0 ⊢ min (1 / 2) (r / 4) > 0 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [← ha]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |a - 1| < min (1 / 2) (r / 4)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - 1| < min (1 / 2) (r / 4)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |a - 1| < min (1 / 2) (r / 4) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
refine lt_of_le_of_lt ?_ h
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - 1| < min (1 / 2) (r / 4)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - 1| ≤ Complex.abs (p - 1)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - 1| < min (1 / 2) (r / 4) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [← Complex.abs.map_one]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - 1| ≤ Complex.abs (p - 1)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - Complex.abs 1| ≤ Complex.abs (p - 1)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - 1| ≤ Complex.abs (p - 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
apply Complex.abs.abs_abv_sub_le_abv_sub
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - Complex.abs 1| ≤ Complex.abs (p - 1)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b ⊢ |Complex.abs p - Complex.abs 1| ≤ Complex.abs (p - 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [mem_ball, Real.dist_eq]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ a ∈ ball 1 (1 / 2)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ |a - 1| < 1 / 2
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ a ∈ ball 1 (1 / 2) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
exact (lt_min_iff.mp a1).1
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ |a - 1| < 1 / 2
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) ⊢ |a - 1| < 1 / 2 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [← hb]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ 0 ≤ b
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ 0 ≤ (↑(d ^ k))⁻¹
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ 0 ≤ b TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
bound
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ 0 ≤ (↑(d ^ k))⁻¹
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) ⊢ 0 ≤ (↑(d ^ k))⁻¹ TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [← hb]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ b ≤ 1
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ (↑(d ^ k))⁻¹ ≤ 1
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ b ≤ 1 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
bound
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ (↑(d ^ k))⁻¹ ≤ 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b ⊢ (↑(d ^ k))⁻¹ ≤ 1 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
intro x m
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 ⊢ ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 ⊢ ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
apply HasDerivAt.rpow (hasDerivAt_id _) (hasDerivAt_const _ _)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ 0 < id x
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ HasDerivAt (fun x => x ^ (-b)) (1 * -b * x ^ (-b - 1) + 0 * x ^ (-b) * x.log) x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [mem_ball, Real.dist_eq, id] at m ⊢
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ 0 < id x
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : |x - 1| < 1 / 2 ⊢ 0 < x
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ 0 < id x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
linarith [abs_lt.mp m]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : |x - 1| < 1 / 2 ⊢ 0 < x
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 x : ℝ m : |x - 1| < 1 / 2 ⊢ 0 < x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
intro x m
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x ⊢ ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x ⊢ ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [(hd x m).deriv, Real.norm_eq_abs, abs_mul, abs_neg, abs_of_nonneg b0]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ b * |x ^ (-b - 1)| ≤ 4
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
simp only [mem_ball, Real.dist_eq, abs_lt, lt_sub_iff_add_lt, sub_lt_iff_lt_add] at m
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ b * |x ^ (-b - 1)| ≤ 4
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : -(1 / 2) + 1 < x ∧ x < 1 / 2 + 1 ⊢ b * |x ^ (-b - 1)| ≤ 4
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : x ∈ ball 1 (1 / 2) ⊢ b * |x ^ (-b - 1)| ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
norm_num at m
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : -(1 / 2) + 1 < x ∧ x < 1 / 2 + 1 ⊢ b * |x ^ (-b - 1)| ≤ 4
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 ⊢ b * |x ^ (-b - 1)| ≤ 4
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : -(1 / 2) + 1 < x ∧ x < 1 / 2 + 1 ⊢ b * |x ^ (-b - 1)| ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
have x0 : 0 < x := by linarith
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 ⊢ b * |x ^ (-b - 1)| ≤ 4
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ b * |x ^ (-b - 1)| ≤ 4
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 ⊢ b * |x ^ (-b - 1)| ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
calc b * |x ^ (-b - 1)| _ ≤ 1 * |x| ^ (-b - 1) := by bound _ = (x ^ (b + 1))⁻¹ := by rw [← Real.rpow_neg x0.le, neg_add', one_mul, abs_of_pos x0] _ ≤ ((1 / 2 : ℝ) ^ (b + 1))⁻¹ := by bound _ = 2 ^ (b + 1) := by rw [one_div, Real.inv_rpow zero_le_two, inv_inv] _ ≤ 2 ^ (1 + 1 : ℝ) := by bound _ ≤ 4 := by norm_num
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ b * |x ^ (-b - 1)| ≤ 4
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ b * |x ^ (-b - 1)| ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
linarith
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 ⊢ 0 < x
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 ⊢ 0 < x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
bound
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ b * |x ^ (-b - 1)| ≤ 1 * |x| ^ (-b - 1)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ b * |x ^ (-b - 1)| ≤ 1 * |x| ^ (-b - 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [← Real.rpow_neg x0.le, neg_add', one_mul, abs_of_pos x0]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ 1 * |x| ^ (-b - 1) = (x ^ (b + 1))⁻¹
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ 1 * |x| ^ (-b - 1) = (x ^ (b + 1))⁻¹ TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
bound
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ (x ^ (b + 1))⁻¹ ≤ ((1 / 2) ^ (b + 1))⁻¹
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ (x ^ (b + 1))⁻¹ ≤ ((1 / 2) ^ (b + 1))⁻¹ TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
rw [one_div, Real.inv_rpow zero_le_two, inv_inv]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ ((1 / 2) ^ (b + 1))⁻¹ = 2 ^ (b + 1)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ ((1 / 2) ^ (b + 1))⁻¹ = 2 ^ (b + 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
bound
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ 2 ^ (b + 1) ≤ 2 ^ (1 + 1)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ 2 ^ (b + 1) ≤ 2 ^ (1 + 1) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
norm_num
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ 2 ^ (1 + 1) ≤ 4
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x x : ℝ m : 1 / 2 < x ∧ x < 3 / 2 x0 : 0 < x ⊢ 2 ^ (1 + 1) ≤ 4 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
norm_num
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 ⊢ 0 < 1 / 2
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 ⊢ 0 < 1 / 2 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
linarith [(lt_min_iff.mp a1).2]
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ 4 * |a - 1| < 4 * (r / 4)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ 4 * |a - 1| < 4 * (r / 4) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_potential
[31, 1]
[86, 21]
ring
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ 4 * (r / 4) = r
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) r : ℝ rp : r > 0 k : ℕ p : ℂ h : Complex.abs (p - 1) < min (1 / 2) (r / 4) a : ℝ ha : Complex.abs p = a b : ℝ hb : (↑(d ^ k))⁻¹ = b a1 : |a - 1| < min (1 / 2) (r / 4) am : a ∈ ball 1 (1 / 2) b0 : 0 ≤ b b1 : b ≤ 1 hd : ∀ x ∈ ball 1 (1 / 2), HasDerivAt (fun x => x ^ (-b)) (-b * x ^ (-b - 1)) x bound : ∀ x ∈ ball 1 (1 / 2), ‖deriv (fun x => x ^ (-b)) x‖ ≤ 4 le : |a ^ (-b) - 1| ≤ 4 * |a - 1| ⊢ 4 * (r / 4) = r TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
set s := superF d
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(⋯.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(⋯.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have zn1 : ∀ {n}, 1 < abs ((f' d c)^[n] z) := by intro n; exact lt_of_lt_of_le (by norm_num) (le_trans z3 (le_self_iter d z3 cz _))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have zn0 : ∀ {n}, 0 < abs ((f' d c)^[n] z) := fun {_} ↦ lt_trans zero_lt_one zn1
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have ln0 : ∀ {n}, 0 < log (abs ((f' d c)^[n] z)) := fun {_} ↦ Real.log_pos zn1
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have dn0 : ∀ {n}, (d:ℝ)^n ≠ 0 := fun {_} ↦ pow_ne_zero _ (Nat.cast_ne_zero.mpr (d_ne_zero d))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have p0 : 0 < s.potential c z := potential_pos
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have p1 : s.potential c z < 1 := potential_lt_one_of_two_lt (by linarith) cz
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
set f := fun x ↦ log (log x⁻¹)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have fc : ContinuousAt f ((superF d).potential c z) := by refine ((NormedField.continuousAt_inv.mpr p0.ne').log (inv_ne_zero p0.ne')).log ?_ exact Real.log_ne_zero_of_pos_of_ne_one (inv_pos.mpr p0) (inv_ne_one.mpr p1.ne)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log fc : ContinuousAt f (⋯.potential c ↑z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
have t := Tendsto.comp fc (tendsto_potential d z3 cz)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log fc : ContinuousAt f (⋯.potential c ↑z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log fc : ContinuousAt f (⋯.potential c ↑z) t : Tendsto (f ∘ fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (f (⋯.potential c ↑z))) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log fc : ContinuousAt f (⋯.potential c ↑z) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
simpa only [Real.log_inv, Real.log_neg_eq_log, Nat.cast_pow, Function.comp_def, Real.log_rpow zn0, neg_mul, ← div_eq_inv_mul, Real.log_div ln0.ne' dn0, Real.log_pow, f] using t
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log fc : ContinuousAt f (⋯.potential c ↑z) t : Tendsto (f ∘ fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (f (⋯.potential c ↑z))) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log fc : ContinuousAt f (⋯.potential c ↑z) t : Tendsto (f ∘ fun n => Complex.abs ((f' d c)^[n] z) ^ (-(↑(d ^ n))⁻¹)) atTop (𝓝 (f (⋯.potential c ↑z))) ⊢ Tendsto (fun n => (Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) atTop (𝓝 (-(s.potential c ↑z).log).log) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
intro n
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d n : ℕ ⊢ 1 < Complex.abs ((f' d c)^[n] z)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d ⊢ ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
exact lt_of_lt_of_le (by norm_num) (le_trans z3 (le_self_iter d z3 cz _))
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d n : ℕ ⊢ 1 < Complex.abs ((f' d c)^[n] z)
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d n : ℕ ⊢ 1 < Complex.abs ((f' d c)^[n] z) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
norm_num
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d n : ℕ ⊢ 1 < 3
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d n : ℕ ⊢ 1 < 3 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
linarith
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z ⊢ 2 < Complex.abs z
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z ⊢ 2 < Complex.abs z TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
refine ((NormedField.continuousAt_inv.mpr p0.ne').log (inv_ne_zero p0.ne')).log ?_
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ ContinuousAt f (⋯.potential c ↑z)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ (s.potential c ↑z)⁻¹.log ≠ 0
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ ContinuousAt f (⋯.potential c ↑z) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
tendsto_log_neg_log_potential
[88, 1]
[106, 82]
exact Real.log_ne_zero_of_pos_of_ne_one (inv_pos.mpr p0) (inv_ne_one.mpr p1.ne)
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ (s.potential c ↑z)⁻¹.log ≠ 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z s : Super (_root_.f d) d OnePoint.infty := superF d zn1 : ∀ {n : ℕ}, 1 < Complex.abs ((f' d c)^[n] z) zn0 : ∀ {n : ℕ}, 0 < Complex.abs ((f' d c)^[n] z) ln0 : ∀ {n : ℕ}, 0 < (Complex.abs ((f' d c)^[n] z)).log dn0 : ∀ {n : ℕ}, ↑d ^ n ≠ 0 p0 : 0 < s.potential c ↑z p1 : s.potential c ↑z < 1 f : ℝ → ℝ := fun x => x⁻¹.log.log ⊢ (s.potential c ↑z)⁻¹.log ≠ 0 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
apply le_of_forall_pos_lt_add
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| ≤ iter_error d c z
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ ∀ (ε : ℝ), 0 < ε → |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + ε
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| ≤ iter_error d c z TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
intro e ep
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ ∀ (ε : ℝ), 0 < ε → |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + ε
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z ⊢ ∀ (ε : ℝ), 0 < ε → |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + ε TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
rcases (Metric.tendsto_nhds.mp (tendsto_log_neg_log_potential d z3 cz) e ep).exists with ⟨n,t⟩
case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) (-(⋯.potential c ↑z).log).log < e ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
have ie := iter_approx d z3 cz n
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) (-(⋯.potential c ↑z).log).log < e ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) (-(⋯.potential c ↑z).log).log < e ie : |(Complex.abs ((f' d c)^[n] z)).log.log - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) (-(⋯.potential c ↑z).log).log < e ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
generalize log (-log ((superF d).potential c z)) = p at ie t
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) (-(⋯.potential c ↑z).log).log < e ie : |(Complex.abs ((f' d c)^[n] z)).log.log - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ ie : |(Complex.abs ((f' d c)^[n] z)).log.log - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z p : ℝ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) p < e ⊢ |p - (Complex.abs z).log.log| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) (-(⋯.potential c ↑z).log).log < e ie : |(Complex.abs ((f' d c)^[n] z)).log.log - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |(-(⋯.potential c ↑z).log).log - (Complex.abs z).log.log| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
generalize log (log (Complex.abs ((f' d c)^[n] z))) = x at ie t
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ ie : |(Complex.abs ((f' d c)^[n] z)).log.log - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z p : ℝ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) p < e ⊢ |p - (Complex.abs z).log.log| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ ie : |x - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z t : dist (x - ↑n * (↑d).log) p < e ⊢ |p - (Complex.abs z).log.log| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ ie : |(Complex.abs ((f' d c)^[n] z)).log.log - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z p : ℝ t : dist ((Complex.abs ((f' d c)^[n] z)).log.log - ↑n * (↑d).log) p < e ⊢ |p - (Complex.abs z).log.log| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
generalize log (log (Complex.abs z)) = y at ie t
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ ie : |x - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z t : dist (x - ↑n * (↑d).log) p < e ⊢ |p - (Complex.abs z).log.log| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : dist (x - ↑n * (↑d).log) p < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ ie : |x - (Complex.abs z).log.log - ↑n * (↑d).log| ≤ iter_error d c z t : dist (x - ↑n * (↑d).log) p < e ⊢ |p - (Complex.abs z).log.log| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
rw [Real.dist_eq, abs_sub_comm] at t
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : dist (x - ↑n * (↑d).log) p < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < iter_error d c z + e
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : dist (x - ↑n * (↑d).log) p < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
rw [add_comm]
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < iter_error d c z + e
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < e + iter_error d c z
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < iter_error d c z + e TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
calc |p - y| _ = |(p - (x - n * log d)) + (x - y - n * log d)| := by ring_nf _ ≤ |p - (x - n * log d)| + |x - y - n * log d| := abs_add _ _ _ < e + _ := add_lt_add_of_lt_of_le t ie
case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < e + iter_error d c z
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.intro c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| < e + iter_error d c z TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
log_neg_log_potential_approx
[108, 1]
[122, 47]
ring_nf
c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| = |p - (x - ↑n * (↑d).log) + (x - y - ↑n * (↑d).log)|
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝¹ : Fact (2 ≤ d✝) d : ℕ inst✝ : Fact (2 ≤ d) z3 : 3 ≤ Complex.abs z cz : Complex.abs c ≤ Complex.abs z e : ℝ ep : 0 < e n : ℕ p x : ℝ t : |p - (x - ↑n * (↑d).log)| < e y : ℝ ie : |x - y - ↑n * (↑d).log| ≤ iter_error d c z ⊢ |p - y| = |p - (x - ↑n * (↑d).log) + (x - y - ↑n * (↑d).log)| TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
hasDerivAt_ene
[136, 1]
[140, 68]
have h : HasDerivAt (fun x ↦ exp (-exp x)) (exp (-exp x) * -exp x) x := HasDerivAt.exp (Real.hasDerivAt_exp x).neg
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ ⊢ HasDerivAt ene (-dene x) x
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ h : HasDerivAt (fun x => (-x.exp).exp) ((-x.exp).exp * -x.exp) x ⊢ HasDerivAt ene (-dene x) x
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ ⊢ HasDerivAt ene (-dene x) x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
hasDerivAt_ene
[136, 1]
[140, 68]
simp only [mul_neg, ← Real.exp_add, neg_add_eq_sub] at h
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ h : HasDerivAt (fun x => (-x.exp).exp) ((-x.exp).exp * -x.exp) x ⊢ HasDerivAt ene (-dene x) x
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ h : HasDerivAt (fun x => (-x.exp).exp) (-(x - x.exp).exp) x ⊢ HasDerivAt ene (-dene x) x
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ h : HasDerivAt (fun x => (-x.exp).exp) ((-x.exp).exp * -x.exp) x ⊢ HasDerivAt ene (-dene x) x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
hasDerivAt_ene
[136, 1]
[140, 68]
exact h
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ h : HasDerivAt (fun x => (-x.exp).exp) (-(x - x.exp).exp) x ⊢ HasDerivAt ene (-dene x) x
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x : ℝ h : HasDerivAt (fun x => (-x.exp).exp) (-(x - x.exp).exp) x ⊢ HasDerivAt ene (-dene x) x TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
refine Real.exp_le_exp.mpr ?_
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y ⊢ dene x ≥ dene y
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y ⊢ y - y.exp ≤ x - x.exp
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y ⊢ dene x ≥ dene y TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
exact a x0 (le_trans x0 xy) xy
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y a : AntitoneOn (fun x => x - x.exp) (Ici 0) ⊢ y - y.exp ≤ x - x.exp
no goals
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y a : AntitoneOn (fun x => x - x.exp) (Ici 0) ⊢ y - y.exp ≤ x - x.exp TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
have hd : ∀ x, HasDerivAt (fun x ↦ x - exp x) (1 - exp x) x := fun x ↦ (hasDerivAt_id x).sub (Real.hasDerivAt_exp x)
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0)
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
have d : Differentiable ℝ (fun x ↦ x - exp x) := fun x ↦ (hd x).differentiableAt
c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0)
c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0)
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d : ℕ inst✝ : Fact (2 ≤ d) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
apply antitoneOn_of_deriv_nonpos (convex_Ici _)
c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0)
case hf c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ ContinuousOn (fun x => x - x.exp) (Ici 0) case hf' c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ DifferentiableOn ℝ (fun x => x - x.exp) (interior (Ici 0)) case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ ∀ x ∈ interior (Ici 0), deriv (fun x => x - x.exp) x ≤ 0
Please generate a tactic in lean4 to solve the state. STATE: c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ AntitoneOn (fun x => x - x.exp) (Ici 0) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
exact d.continuous.continuousOn
case hf c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ ContinuousOn (fun x => x - x.exp) (Ici 0)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ ContinuousOn (fun x => x - x.exp) (Ici 0) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
exact d.differentiableOn
case hf' c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ DifferentiableOn ℝ (fun x => x - x.exp) (interior (Ici 0))
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf' c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ DifferentiableOn ℝ (fun x => x - x.exp) (interior (Ici 0)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
intro x m
case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ ∀ x ∈ interior (Ici 0), deriv (fun x => x - x.exp) x ≤ 0
case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x✝ y : ℝ x0 : 0 ≤ x✝ xy : x✝ ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp x : ℝ m : x ∈ interior (Ici 0) ⊢ deriv (fun x => x - x.exp) x ≤ 0
Please generate a tactic in lean4 to solve the state. STATE: case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x y : ℝ x0 : 0 ≤ x xy : x ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp ⊢ ∀ x ∈ interior (Ici 0), deriv (fun x => x - x.exp) x ≤ 0 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
simp only [nonempty_Iio, interior_Ici', mem_Ioi] at m
case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x✝ y : ℝ x0 : 0 ≤ x✝ xy : x✝ ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp x : ℝ m : x ∈ interior (Ici 0) ⊢ deriv (fun x => x - x.exp) x ≤ 0
case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x✝ y : ℝ x0 : 0 ≤ x✝ xy : x✝ ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp x : ℝ m : 0 < x ⊢ deriv (fun x => x - x.exp) x ≤ 0
Please generate a tactic in lean4 to solve the state. STATE: case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x✝ y : ℝ x0 : 0 ≤ x✝ xy : x✝ ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp x : ℝ m : x ∈ interior (Ici 0) ⊢ deriv (fun x => x - x.exp) x ≤ 0 TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Dynamics/Multibrot/Potential.lean
dene_anti
[148, 1]
[160, 33]
simp only [(hd x).deriv, sub_nonpos, Real.one_le_exp m.le]
case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x✝ y : ℝ x0 : 0 ≤ x✝ xy : x✝ ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp x : ℝ m : 0 < x ⊢ deriv (fun x => x - x.exp) x ≤ 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf'_nonpos c z : ℂ d✝ : ℕ inst✝ : Fact (2 ≤ d✝) x✝ y : ℝ x0 : 0 ≤ x✝ xy : x✝ ≤ y hd : ∀ (x : ℝ), HasDerivAt (fun x => x - x.exp) (1 - x.exp) x d : Differentiable ℝ fun x => x - x.exp x : ℝ m : 0 < x ⊢ deriv (fun x => x - x.exp) x ≤ 0 TACTIC: