← Session 22 — ii′-1: liCoeff pairing fix + residue machinery
thinking (10480 chars)
Remaining errors:
1. **Line 204**: omega in hid's h2 — `if_neg (by omega)` — the if condition from iteratedDeriv_const is `if n = 0 then c else 0` with n := i+1 — the side goal: ¬(i + 1 = 0)? "No usable constraints" — hmm — the omega target might have a cast or be stated oddly. Let me make it explicit: `if_neg (Nat.succ_ne_zero i)`? — the condition is i+1 = 0 — ¬(i+1 = 0) is Nat.succ_ne_zero i : i+1 ≠ 0 — i+1 = Nat.succ i defeq? Nat.succ_ne_zero i : Nat.succ i ≠ 0 — and i + 1 defeq Nat.succ i ✓ — so `if_neg (Nat.succ_ne_zero i)` — wait if_neg's hypothesis: ¬(i+1 = 0) = (i+1 = 0 → False) — Nat.succ_ne_zero i : ¬(Nat.succ i = 0) ✓ defeq ✓. But WHICH if — there are two rw's with if_neg (by omega): h2's (iteratedDeriv_const's if: i+1 = 0 — wait iteratedDeriv_const gives if n = 0 with n := i+1 ✓ so ¬(i+1=0)) and the outer rw [h2, if_neg (by omega)] — the outer if: if i+2 = 1 then 1 else 0 — ¬(i+2 = 1) — Nat.succ_ne_zero doesn't directly give that; i+2 ≠ 1 ⟺ i+1 ≠ 0 ⟺ i ≠ ... `Nat.succ_ne_zero`? i+2 = 1 ⟺ i+1 = 0 — use `by omega`? but omega failed with "no usable constraints" — maybe the goal has the if-expression un-normalized. Let me use explicit `have` steps:
```lean
have h2 : iteratedDeriv (i + 2) (fun s : ℂ => s) 0 = 0 := by
rw [iteratedDeriv_succ', hd, iteratedDeriv_const]
exact if_neg (by omega : ¬(i + 1 = 0))
```
hmm — same omega. Why would omega fail on ¬(i+1 = 0)? "No usable constraints found" — this happens when the goal isn't arithmetic — perhaps the if_neg's expected hypothesis couldn't be inferred — the if after rw [iteratedDeriv_const]: goal becomes `(if i + 1 = 0 then (1:ℂ) else 0) = 0`?? — wait no: after rw [iteratedDeriv_const], the goal `iteratedDeriv (i+1) (fun _ => 1) 0 = 0` — hmm no wait, the rw chain: after `rw [iteratedDeriv_succ', hd]`, goal: iteratedDeriv (i+1) (fun _ => 1) 0 = 0. Then rw [iteratedDeriv_const]: → (if i+1 = 0 then (1:ℂ) else 0) = 0. Then if_neg (by omega) — the omega goal: ¬(i+1 = 0) — that's arithmetic ✓ should work?! Unless the if's condition elaborated weirdly. Hmm — "No usable constraints found" suggests omega got something like ¬(i+1 = 0) but with i being... wait — maybe the issue: after `rw [iteratedDeriv_const]`, the `if_neg` rewrite — rw [if_neg h] requires h to be a TERM not a tactic block — `rw [if_neg (by omega)]` — the by omega inside rw's argument — the side condition gets elaborated against the if's condition — should work. The error at 204:6 says "omega could not prove the goal: No usable constraints found" — maybe the omega goal is `¬(i + 1 = 0)` where i+1 is being displayed but omega can't see it as Nat arithmetic because... i is fine. Hmm — OR the if condition is `i + 1 = 0` where the numerals are ℂ?? No — the if from iteratedDeriv_const is on ℕ.
Wait — line 204 vs my two if_neg (by omega) — one in h2 (condition i+1 = 0) and one after rw [h2] (condition i+2 = 1). The second: ¬(i+2 = 1) — omega: i+2 = 1 ⟺ i = −1 impossible in ℕ — omega should prove ¬(i+2=1) ✓ trivially. The first: ¬(i+1=0) ✓ trivially. Both fine for omega NORMALLY. The failure "No usable constraints" means the goal omega received wasn't in its fragment — possibly because the if_neg argument position made omega prove something with the if-expression ITSELF as the goal? Like `if_neg (by omega)` being elaborated with the by-block's expected type unknown until unification — the by omega runs with a metavariable goal?? That's the classic rw-with-tactic-arg issue — the by omega gets assigned the goal AFTER unification — should be ¬(cond)...
Safest: restructure to avoid rw-with-tactic-args:
```lean
· have hd : deriv (fun s : ℂ => s) = fun _ => (1 : ℂ) := deriv_id''
have hne1 : ¬(i + 1 = 0) := by omega
have hne2 : ¬(i + 2 = 1) := by omega
have h2 : iteratedDeriv (i + 2) (fun s : ℂ => s) 0 = 0 := by
rw [iteratedDeriv_succ', hd, iteratedDeriv_const, if_neg hne1]
rw [h2, if_neg hne2]
```
Hmm wait — hne2 : ¬(i + 2 = 1) — omega: i+2=1 has no Nat solution ⟹ proves ✓ (omega CAN prove this — it's linear Nat arithmetic). Why "no usable constraints"? — OK whatever, the explicit have's make the omega goals definite. If omega still complains, use decide-ish: ¬(i+1=0): `Nat.succ_ne_zero i` (i+1 defeq succ i ✓); ¬(i+2=1): `by intro h; omega`? no — `by simp` — simp evaluates i+2 = 1 to i = -1?? no — for VARIABLE i, simp can't. `Nat.add_eq_one_iff : m + n = 1 ↔ m = 1 ∧ n = 0 ∨ m = 0 ∧ n = 1`? hmm. ¬(i+2 = 1): rewrite i+2 = i+1+1: Nat.succ_ne_zero (i+1) : i+1+1 ≠ 0 — different. `by omega` SHOULD work — it's linear... Let me just try `by omega` in the explicit have — if the earlier failure was the rw-arg-elaboration issue, this fixes it.
2. **Line 247**: hmap's first component — `exact hc.tendsto` — hc.tendsto : Tendsto (fun s => 1+s) (𝓝 0) (𝓝 (1+0)) but expected Tendsto (fun s => 1+s) (𝓝[≠] 0) (𝓝 1)?! — "expected type Tendsto ... (𝓝[≠] 0) (𝓝 1)" — so the refine ⟨?_, ?_⟩ did NOT split into the tendsto_nhdsWithin_iff components — the first goal is the FULL nhdsWithin tendsto! So `tendsto_nhdsWithin_iff` didn't apply/rewrite — my code:
```lean
have hmap : Tendsto (fun s : ℂ => 1 + s) (𝓝[≠] (0 : ℂ)) (𝓝[≠] (1 : ℂ)) := by
rw [tendsto_nhdsWithin_iff]
refine ⟨?_, ?_⟩
```
Hmm wait — did the rw [tendsto_nhdsWithin_iff] fail? If it failed there'd be an error at the rw line... no error reported there — OR the rw succeeded but produced a different conjunction — the error at 247 (exact hc.tendsto) shows the goal is STILL Tendsto ... (𝓝[≠] 0) (𝓝 1) — so the first component after refine is the full statement — meaning tendsto_nhdsWithin_iff's LHS form didn't match... OR the rw produced `(∀ᶠ ...) ∧ ...`? Let me check tendsto_nhdsWithin_iff's actual statement — maybe it's `Tendsto f (𝓝[s] a) (𝓝[t] b) ↔ ∀ᶠ ... ∧ Tendsto ...` (different arg order) or `map`-based. Actually the real lemma: `tendsto_nhdsWithin_iff : Tendsto f (𝓝[s] a) (𝓝[t] b) ↔ Tendsto f (𝓝 a) (𝓝 b) ∧ ∀ᶠ x in 𝓝[s] a, f x ∈ t` — hmm I'm fairly sure. But the error shows the first refine goal = the full nhdsWithin-Tendsto — so the rw didn't fire?! If rw failed there'd be an error at the rw line — unless... the error list might have been truncated (head -50). Let me just use a different approach for hmap — via `Tendsto_nhdsWithin` constructors:
Actually the cleaner: `tendsto_nhdsWithin_of_tendsto_nhds` + event filtering:
hmap = Tendsto (1+·) (𝓝[≠] 0) (𝓝[≠] 1).
- The plain tendsto: hc.tendsto : Tendsto (1+·) (𝓝 0) (𝓝 1) (with 1+0 defeq 1 ✓ exact worked? it said the expected was (𝓝[≠] 0)(𝓝 1) — so the first component is at nhdsWithin — hmm).
Use: `tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within`? : Tendsto f (𝓝 a) (𝓝 b) → (∀ᶠ x in 𝓝[s] a, f x ∈ t) → Tendsto f (𝓝[s] a) (𝓝[t] b) ✓ — I recall `tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within` exists.
```lean
have hmap : Tendsto (fun s : ℂ => 1 + s) (𝓝[≠] (0 : ℂ)) (𝓝[≠] (1 : ℂ)) := by
apply tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within
· have hc : ContinuousAt (fun s : ℂ => 1 + s) 0 :=
continuousAt_const.add continuousAt_id
exact hc.tendsto
· filter_upwards [self_mem_nhdsWithin] with s hs
intro hcontra
exact hs (by simpa using hcontra)
```
Wait the second component: ∀ᶠ s in 𝓝[≠] 0, (1+s) ∈ {1}ᶜ — from hs : s ∈ {0}ᶜ: need 1+s ≠ 1: `by simpa using hcontra`? — hcontra : 1 + s = 1?? no — the goal at that point: 1 + s ∈ {1}ᶜ — which is 1+s ∉ {1} — as a function: intro hcontra where hcontra : 1+s ∈ {1} i.e. 1+s = 1... Let me write: `filter_upwards [self_mem_nhdsWithin] with s hs; simp; intro h; exact hs (add_eq_right... )` — hmm the (1+s) ∈ {1}ᶜ goal — `simp only [Set.mem_compl_iff, Set.mem_singleton_iff]` : 1 + s ≠ 1 — then `intro h; exact hs (add_eq_right.mp h)`?? — add_eq_right : a + b = a ↔ b = 0 — h : 1 + s = 1 — that's a + b = a with a := 1, b := s ✓ add_eq_right.mp h : s = 0 ✓ hs : s ∈ {0}ᶜ — hs (that) : False ✓. Wait — hs : s ∈ {0}ᶜ — as s ≠ 0: `exact hs (...)` where the arg : s = 0 — hs unfolds to s ∈ {0} → False = (s = 0) → False ✓.
Hmm — the add_eq_right name check: error at 255 says add_eq_right.mp h expects h : s + ?m = ?m — so `add_eq_right : a + b = b ↔ a = 0`?? The error: "h has type 1 + s = 1 but expected s + ?m = ?m" — so add_eq_right is `a + b = b ↔ a = 0` — i.e. add_eq_right : a + b = b ↔ a = 0. For h : 1 + s = 1 — that's a + b = a form — the lemma I want: `add_eq_left : a + b = a ↔ b = 0` ✓ — use add_eq_left.mp h : s = 0 ✓.
3. **Line 259**: the show-rewrite pattern mismatch: my `show (1 : ℂ) - s * (-(deriv ... / ...)) = 1 + s * (deriv ... / ...) from by ring` — the target has `1 - s * (-deriv ... / ...)` — note: `-deriv X / Y` parses as (−deriv X)/Y — my show wrote `s * (-(deriv X / Y))` — s * (−(derivX/Y)) vs the target's s * ((-deriv X)/Y) — DIFFERENT groupings! The target: `s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — the `-deriv X / Y` = `(-deriv X) / Y` (neg binds tighter than /? or / tighter?) — from the error display: `s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — and hLi_eq_of_ne's RHS: `(w - 1) * (-(deriv riemannZeta w) / riemannZeta w)` — the `-(deriv ... / ...)` is neg-of-quotient in hLi_eq_of_ne (I wrote it as `(-(deriv riemannZeta w) / riemannZeta w)` — hmm in LiResidue line 109: `hLi w = (w - 1) * (-(deriv riemannZeta w) / riemannZeta w)` — so the factor is `-(deriv ζ w)/ζ w` = (−deriv ζ w)/ζ w — neg-of-numerator. My show-pattern used `-(deriv ... / ...)` (neg-of-quotient). These are different TERMS syntactically (though equal). Fix the show to match exactly:
```lean
rw [show (1 : ℂ) - s * ((-deriv riemannZeta (1 + s)) / riemannZeta (1 + s)) =
1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s)) from by ring]
```
The target's exact term: `s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — and the leading `1 - ` — so pattern: `1 - s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — write exactly that (neg-of-numerator form) on the show's LHS ✓ and the RHS `1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s))` ✓ ring closes (neg-div vs div: −a/b = −(a/b) — ring knows div/neg interplay? ring normal forms handle −a/b = −(a·b⁻¹)... should ✓).
Then after the show-rw: goal `(1 + s * (deriv ζ (1+s)/ζ (1+s))) / s = 1/s + deriv ζ (1+s)/ζ (1+s)` — then add_div: (1 + s*X)/s → 1/s + (s*X)/s; mul_div_cancel_left₀ _ hs : (s*X)/s = X ✓ then goal 1/s + X = 1/s + X rfl ✓ — wait the goal's RHS: 1/s + deriv ζ(1+s)/ζ(1+s) — and X := deriv ζ(1+s)/ζ(1+s) ✓ matches ✓.
Let me apply these three fixes.
Three fixes: explicit if_neg proofs, the nhdsWithin tendsto constructor, and the exact neg-of-numerator pattern.
tool: Edit
input
{
"file_path": "D:\\Python\\Quantum\\research\\lean\\NguyenRH1\\NguyenRH1\\LiZetaCoeff.lean",
"old_string": " \u00b7 have hd : deriv (fun s : \u2102 => s) = fun _ => (1 : \u2102) := deriv_id''\n have h2 : iteratedDeriv (i + 2) (fun s : \u2102 => s) 0 = 0 := by\n rw [iteratedDeriv_succ', hd, iteratedDeriv_const, if_neg (by omega)]\n rw [h2, if_neg (by omega)]",
"new_string": " \u00b7 have hd : deriv (fun s : \u2102 => s) = fun _ => (1 : \u2102) := deriv_id''\n have hne1 : \u00ac(i + 1 = 0) := Nat.succ_ne_zero i\n have hne2 : \u00ac(i + 2 = 1) := by omega\n have h2 : iteratedDeriv (i + 2) (fun s : \u2102 => s) 0 = 0 := by\n rw [iteratedDeriv_succ', hd, iteratedDeriv_const, if_neg hne1]\n rw [h2, if_neg hne2]"
}
tool: Edit
input
{
"file_path": "D:\\Python\\Quantum\\research\\lean\\NguyenRH1\\NguyenRH1\\LiZetaCoeff.lean",
"old_string": " have hmap : Tendsto (fun s : \u2102 => 1 + s) (\ud835\udcdd[\u2260] (0 : \u2102)) (\ud835\udcdd[\u2260] (1 : \u2102)) := by\n rw [tendsto_nhdsWithin_iff]\n refine \u27e8?_, ?_\u27e9\n \u00b7 have hc : ContinuousAt (fun s : \u2102 => 1 + s) 0 :=\n continuousAt_const.add continuousAt_id\n exact hc.tendsto\n \u00b7 filter_upwards [self_mem_nhdsWithin] with s hs\n intro hcontra\n exact hs (by simpa using hcontra)",
"new_string": " have hmap : Tendsto (fun s : \u2102 => 1 + s) (\ud835\udcdd[\u2260] (0 : \u2102)) (\ud835\udcdd[\u2260] (1 : \u2102)) := by\n apply tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within\n \u00b7 have hc : ContinuousAt (fun s : \u2102 => 1 + s) 0 :=\n continuousAt_const.add continuousAt_id\n exact hc.tendsto\n \u00b7 filter_upwards [self_mem_nhdsWithin] with s hs\n intro hcontra\n exact hs (add_eq_left.mp hcontra)"
}
tool: Edit
input
{
"file_path": "D:\\Python\\Quantum\\research\\lean\\NguyenRH1\\NguyenRH1\\LiZetaCoeff.lean",
"old_string": " rw [show (1 : \u2102) - s * (-(deriv riemannZeta (1 + s) / riemannZeta (1 + s))) =\n 1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s)) from by ring]\n rw [add_div, mul_div_cancel_left\u2080 _ hs]",
"new_string": " rw [show (1 : \u2102) - s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s)) =\n 1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s)) from by ring]\n rw [add_div, mul_div_cancel_left\u2080 _ hs]"
}
raw content_json (database row)
[{"type":"thinking","thinking":"Remaining errors:\n\n1. **Line 204**: omega in hid's h2 — `if_neg (by omega)` — the if condition from iteratedDeriv_const is `if n = 0 then c else 0` with n := i+1 — the side goal: ¬(i + 1 = 0)? \"No usable constraints\" — hmm — the omega target might have a cast or be stated oddly. Let me make it explicit: `if_neg (Nat.succ_ne_zero i)`? — the condition is i+1 = 0 — ¬(i+1 = 0) is Nat.succ_ne_zero i : i+1 ≠ 0 — i+1 = Nat.succ i defeq? Nat.succ_ne_zero i : Nat.succ i ≠ 0 — and i + 1 defeq Nat.succ i ✓ — so `if_neg (Nat.succ_ne_zero i)` — wait if_neg's hypothesis: ¬(i+1 = 0) = (i+1 = 0 → False) — Nat.succ_ne_zero i : ¬(Nat.succ i = 0) ✓ defeq ✓. But WHICH if — there are two rw's with if_neg (by omega): h2's (iteratedDeriv_const's if: i+1 = 0 — wait iteratedDeriv_const gives if n = 0 with n := i+1 ✓ so ¬(i+1=0)) and the outer rw [h2, if_neg (by omega)] — the outer if: if i+2 = 1 then 1 else 0 — ¬(i+2 = 1) — Nat.succ_ne_zero doesn't directly give that; i+2 ≠ 1 ⟺ i+1 ≠ 0 ⟺ i ≠ ... `Nat.succ_ne_zero`? i+2 = 1 ⟺ i+1 = 0 — use `by omega`? but omega failed with \"no usable constraints\" — maybe the goal has the if-expression un-normalized. Let me use explicit `have` steps:\n```lean\n have h2 : iteratedDeriv (i + 2) (fun s : ℂ => s) 0 = 0 := by\n rw [iteratedDeriv_succ', hd, iteratedDeriv_const]\n exact if_neg (by omega : ¬(i + 1 = 0))\n```\nhmm — same omega. Why would omega fail on ¬(i+1 = 0)? \"No usable constraints found\" — this happens when the goal isn't arithmetic — perhaps the if_neg's expected hypothesis couldn't be inferred — the if after rw [iteratedDeriv_const]: goal becomes `(if i + 1 = 0 then (1:ℂ) else 0) = 0`?? — wait no: after rw [iteratedDeriv_const], the goal `iteratedDeriv (i+1) (fun _ => 1) 0 = 0` — hmm no wait, the rw chain: after `rw [iteratedDeriv_succ', hd]`, goal: iteratedDeriv (i+1) (fun _ => 1) 0 = 0. Then rw [iteratedDeriv_const]: → (if i+1 = 0 then (1:ℂ) else 0) = 0. Then if_neg (by omega) — the omega goal: ¬(i+1 = 0) — that's arithmetic ✓ should work?! Unless the if's condition elaborated weirdly. Hmm — \"No usable constraints found\" suggests omega got something like ¬(i+1 = 0) but with i being... wait — maybe the issue: after `rw [iteratedDeriv_const]`, the `if_neg` rewrite — rw [if_neg h] requires h to be a TERM not a tactic block — `rw [if_neg (by omega)]` — the by omega inside rw's argument — the side condition gets elaborated against the if's condition — should work. The error at 204:6 says \"omega could not prove the goal: No usable constraints found\" — maybe the omega goal is `¬(i + 1 = 0)` where i+1 is being displayed but omega can't see it as Nat arithmetic because... i is fine. Hmm — OR the if condition is `i + 1 = 0` where the numerals are ℂ?? No — the if from iteratedDeriv_const is on ℕ.\n\nWait — line 204 vs my two if_neg (by omega) — one in h2 (condition i+1 = 0) and one after rw [h2] (condition i+2 = 1). The second: ¬(i+2 = 1) — omega: i+2 = 1 ⟺ i = −1 impossible in ℕ — omega should prove ¬(i+2=1) ✓ trivially. The first: ¬(i+1=0) ✓ trivially. Both fine for omega NORMALLY. The failure \"No usable constraints\" means the goal omega received wasn't in its fragment — possibly because the if_neg argument position made omega prove something with the if-expression ITSELF as the goal? Like `if_neg (by omega)` being elaborated with the by-block's expected type unknown until unification — the by omega runs with a metavariable goal?? That's the classic rw-with-tactic-arg issue — the by omega gets assigned the goal AFTER unification — should be ¬(cond)... \n\nSafest: restructure to avoid rw-with-tactic-args:\n```lean\n · have hd : deriv (fun s : ℂ => s) = fun _ => (1 : ℂ) := deriv_id''\n have hne1 : ¬(i + 1 = 0) := by omega\n have hne2 : ¬(i + 2 = 1) := by omega\n have h2 : iteratedDeriv (i + 2) (fun s : ℂ => s) 0 = 0 := by\n rw [iteratedDeriv_succ', hd, iteratedDeriv_const, if_neg hne1]\n rw [h2, if_neg hne2]\n```\nHmm wait — hne2 : ¬(i + 2 = 1) — omega: i+2=1 has no Nat solution ⟹ proves ✓ (omega CAN prove this — it's linear Nat arithmetic). Why \"no usable constraints\"? — OK whatever, the explicit have's make the omega goals definite. If omega still complains, use decide-ish: ¬(i+1=0): `Nat.succ_ne_zero i` (i+1 defeq succ i ✓); ¬(i+2=1): `by intro h; omega`? no — `by simp` — simp evaluates i+2 = 1 to i = -1?? no — for VARIABLE i, simp can't. `Nat.add_eq_one_iff : m + n = 1 ↔ m = 1 ∧ n = 0 ∨ m = 0 ∧ n = 1`? hmm. ¬(i+2 = 1): rewrite i+2 = i+1+1: Nat.succ_ne_zero (i+1) : i+1+1 ≠ 0 — different. `by omega` SHOULD work — it's linear... Let me just try `by omega` in the explicit have — if the earlier failure was the rw-arg-elaboration issue, this fixes it.\n\n2. **Line 247**: hmap's first component — `exact hc.tendsto` — hc.tendsto : Tendsto (fun s => 1+s) (𝓝 0) (𝓝 (1+0)) but expected Tendsto (fun s => 1+s) (𝓝[≠] 0) (𝓝 1)?! — \"expected type Tendsto ... (𝓝[≠] 0) (𝓝 1)\" — so the refine ⟨?_, ?_⟩ did NOT split into the tendsto_nhdsWithin_iff components — the first goal is the FULL nhdsWithin tendsto! So `tendsto_nhdsWithin_iff` didn't apply/rewrite — my code: \n```lean\n have hmap : Tendsto (fun s : ℂ => 1 + s) (𝓝[≠] (0 : ℂ)) (𝓝[≠] (1 : ℂ)) := by\n rw [tendsto_nhdsWithin_iff]\n refine ⟨?_, ?_⟩\n```\nHmm wait — did the rw [tendsto_nhdsWithin_iff] fail? If it failed there'd be an error at the rw line... no error reported there — OR the rw succeeded but produced a different conjunction — the error at 247 (exact hc.tendsto) shows the goal is STILL Tendsto ... (𝓝[≠] 0) (𝓝 1) — so the first component after refine is the full statement — meaning tendsto_nhdsWithin_iff's LHS form didn't match... OR the rw produced `(∀ᶠ ...) ∧ ...`? Let me check tendsto_nhdsWithin_iff's actual statement — maybe it's `Tendsto f (𝓝[s] a) (𝓝[t] b) ↔ ∀ᶠ ... ∧ Tendsto ...` (different arg order) or `map`-based. Actually the real lemma: `tendsto_nhdsWithin_iff : Tendsto f (𝓝[s] a) (𝓝[t] b) ↔ Tendsto f (𝓝 a) (𝓝 b) ∧ ∀ᶠ x in 𝓝[s] a, f x ∈ t` — hmm I'm fairly sure. But the error shows the first refine goal = the full nhdsWithin-Tendsto — so the rw didn't fire?! If rw failed there'd be an error at the rw line — unless... the error list might have been truncated (head -50). Let me just use a different approach for hmap — via `Tendsto_nhdsWithin` constructors:\n\nActually the cleaner: `tendsto_nhdsWithin_of_tendsto_nhds` + event filtering:\nhmap = Tendsto (1+·) (𝓝[≠] 0) (𝓝[≠] 1). \n- The plain tendsto: hc.tendsto : Tendsto (1+·) (𝓝 0) (𝓝 1) (with 1+0 defeq 1 ✓ exact worked? it said the expected was (𝓝[≠] 0)(𝓝 1) — so the first component is at nhdsWithin — hmm).\nUse: `tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within`? : Tendsto f (𝓝 a) (𝓝 b) → (∀ᶠ x in 𝓝[s] a, f x ∈ t) → Tendsto f (𝓝[s] a) (𝓝[t] b) ✓ — I recall `tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within` exists. \n```lean\n have hmap : Tendsto (fun s : ℂ => 1 + s) (𝓝[≠] (0 : ℂ)) (𝓝[≠] (1 : ℂ)) := by\n apply tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within\n · have hc : ContinuousAt (fun s : ℂ => 1 + s) 0 :=\n continuousAt_const.add continuousAt_id\n exact hc.tendsto\n · filter_upwards [self_mem_nhdsWithin] with s hs\n intro hcontra\n exact hs (by simpa using hcontra)\n```\nWait the second component: ∀ᶠ s in 𝓝[≠] 0, (1+s) ∈ {1}ᶜ — from hs : s ∈ {0}ᶜ: need 1+s ≠ 1: `by simpa using hcontra`? — hcontra : 1 + s = 1?? no — the goal at that point: 1 + s ∈ {1}ᶜ — which is 1+s ∉ {1} — as a function: intro hcontra where hcontra : 1+s ∈ {1} i.e. 1+s = 1... Let me write: `filter_upwards [self_mem_nhdsWithin] with s hs; simp; intro h; exact hs (add_eq_right... )` — hmm the (1+s) ∈ {1}ᶜ goal — `simp only [Set.mem_compl_iff, Set.mem_singleton_iff]` : 1 + s ≠ 1 — then `intro h; exact hs (add_eq_right.mp h)`?? — add_eq_right : a + b = a ↔ b = 0 — h : 1 + s = 1 — that's a + b = a with a := 1, b := s ✓ add_eq_right.mp h : s = 0 ✓ hs : s ∈ {0}ᶜ — hs (that) : False ✓. Wait — hs : s ∈ {0}ᶜ — as s ≠ 0: `exact hs (...)` where the arg : s = 0 — hs unfolds to s ∈ {0} → False = (s = 0) → False ✓.\n\nHmm — the add_eq_right name check: error at 255 says add_eq_right.mp h expects h : s + ?m = ?m — so `add_eq_right : a + b = b ↔ a = 0`?? The error: \"h has type 1 + s = 1 but expected s + ?m = ?m\" — so add_eq_right is `a + b = b ↔ a = 0` — i.e. add_eq_right : a + b = b ↔ a = 0. For h : 1 + s = 1 — that's a + b = a form — the lemma I want: `add_eq_left : a + b = a ↔ b = 0` ✓ — use add_eq_left.mp h : s = 0 ✓.\n\n3. **Line 259**: the show-rewrite pattern mismatch: my `show (1 : ℂ) - s * (-(deriv ... / ...)) = 1 + s * (deriv ... / ...) from by ring` — the target has `1 - s * (-deriv ... / ...)` — note: `-deriv X / Y` parses as (−deriv X)/Y — my show wrote `s * (-(deriv X / Y))` — s * (−(derivX/Y)) vs the target's s * ((-deriv X)/Y) — DIFFERENT groupings! The target: `s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — the `-deriv X / Y` = `(-deriv X) / Y` (neg binds tighter than /? or / tighter?) — from the error display: `s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — and hLi_eq_of_ne's RHS: `(w - 1) * (-(deriv riemannZeta w) / riemannZeta w)` — the `-(deriv ... / ...)` is neg-of-quotient in hLi_eq_of_ne (I wrote it as `(-(deriv riemannZeta w) / riemannZeta w)` — hmm in LiResidue line 109: `hLi w = (w - 1) * (-(deriv riemannZeta w) / riemannZeta w)` — so the factor is `-(deriv ζ w)/ζ w` = (−deriv ζ w)/ζ w — neg-of-numerator. My show-pattern used `-(deriv ... / ...)` (neg-of-quotient). These are different TERMS syntactically (though equal). Fix the show to match exactly:\n```lean\n rw [show (1 : ℂ) - s * ((-deriv riemannZeta (1 + s)) / riemannZeta (1 + s)) =\n 1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s)) from by ring]\n```\nThe target's exact term: `s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — and the leading `1 - ` — so pattern: `1 - s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s))` — write exactly that (neg-of-numerator form) on the show's LHS ✓ and the RHS `1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s))` ✓ ring closes (neg-div vs div: −a/b = −(a/b) — ring knows div/neg interplay? ring normal forms handle −a/b = −(a·b⁻¹)... should ✓).\n\nThen after the show-rw: goal `(1 + s * (deriv ζ (1+s)/ζ (1+s))) / s = 1/s + deriv ζ (1+s)/ζ (1+s)` — then add_div: (1 + s*X)/s → 1/s + (s*X)/s; mul_div_cancel_left₀ _ hs : (s*X)/s = X ✓ then goal 1/s + X = 1/s + X rfl ✓ — wait the goal's RHS: 1/s + deriv ζ(1+s)/ζ(1+s) — and X := deriv ζ(1+s)/ζ(1+s) ✓ matches ✓.\n\nLet me apply these three fixes.","signature":""},{"type":"text","text":"Three fixes: explicit if_neg proofs, the nhdsWithin tendsto constructor, and the exact neg-of-numerator pattern."},{"type":"tool_use","id":"Edit_207","name":"Edit","input":{"file_path":"D:\\Python\\Quantum\\research\\lean\\NguyenRH1\\NguyenRH1\\LiZetaCoeff.lean","old_string":" · have hd : deriv (fun s : ℂ => s) = fun _ => (1 : ℂ) := deriv_id''\n have h2 : iteratedDeriv (i + 2) (fun s : ℂ => s) 0 = 0 := by\n rw [iteratedDeriv_succ', hd, iteratedDeriv_const, if_neg (by omega)]\n rw [h2, if_neg (by omega)]","new_string":" · have hd : deriv (fun s : ℂ => s) = fun _ => (1 : ℂ) := deriv_id''\n have hne1 : ¬(i + 1 = 0) := Nat.succ_ne_zero i\n have hne2 : ¬(i + 2 = 1) := by omega\n have h2 : iteratedDeriv (i + 2) (fun s : ℂ => s) 0 = 0 := by\n rw [iteratedDeriv_succ', hd, iteratedDeriv_const, if_neg hne1]\n rw [h2, if_neg hne2]"},"extra_content":null},{"type":"tool_use","id":"Edit_208","name":"Edit","input":{"file_path":"D:\\Python\\Quantum\\research\\lean\\NguyenRH1\\NguyenRH1\\LiZetaCoeff.lean","old_string":" have hmap : Tendsto (fun s : ℂ => 1 + s) (𝓝[≠] (0 : ℂ)) (𝓝[≠] (1 : ℂ)) := by\n rw [tendsto_nhdsWithin_iff]\n refine ⟨?_, ?_⟩\n · have hc : ContinuousAt (fun s : ℂ => 1 + s) 0 :=\n continuousAt_const.add continuousAt_id\n exact hc.tendsto\n · filter_upwards [self_mem_nhdsWithin] with s hs\n intro hcontra\n exact hs (by simpa using hcontra)","new_string":" have hmap : Tendsto (fun s : ℂ => 1 + s) (𝓝[≠] (0 : ℂ)) (𝓝[≠] (1 : ℂ)) := by\n apply tendsto_nhdsWithin_of_tendsto_nhds_of_eventually_within\n · have hc : ContinuousAt (fun s : ℂ => 1 + s) 0 :=\n continuousAt_const.add continuousAt_id\n exact hc.tendsto\n · filter_upwards [self_mem_nhdsWithin] with s hs\n intro hcontra\n exact hs (add_eq_left.mp hcontra)"},"extra_content":null},{"type":"tool_use","id":"Edit_209","name":"Edit","input":{"file_path":"D:\\Python\\Quantum\\research\\lean\\NguyenRH1\\NguyenRH1\\LiZetaCoeff.lean","old_string":" rw [show (1 : ℂ) - s * (-(deriv riemannZeta (1 + s) / riemannZeta (1 + s))) =\n 1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s)) from by ring]\n rw [add_div, mul_div_cancel_left₀ _ hs]","new_string":" rw [show (1 : ℂ) - s * (-deriv riemannZeta (1 + s) / riemannZeta (1 + s)) =\n 1 + s * (deriv riemannZeta (1 + s) / riemannZeta (1 + s)) from by ring]\n rw [add_div, mul_div_cancel_left₀ _ hs]"},"extra_content":null}]