P. 278 of Theorem List - Metamath Proof Explorer

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**Theorem List for Metamath Proof Explorer -** 27701-27800 *Has distinct variable group(s)
Type	Label	Description
Statement

Theorem	pntrlog2bndlem6 27701*	Lemma for pntrlog2bnd 27702. Bound on the difference between the Selberg function and its approximation, inside a sum. (Contributed by Mario Carneiro, 31-May-2016.)
⊢ 𝑆 = (𝑎 ∈ ℝ ↦ Σ𝑖 ∈ (1...(⌊‘𝑎))((Λ‘𝑖) · ((log‘𝑖) + (ψ‘(𝑎 / 𝑖))))) & ⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ 𝑇 = (𝑎 ∈ ℝ ↦ if(𝑎 ∈ ℝ⁺, (𝑎 · (log‘𝑎)), 0)) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑦 ∈ ℝ⁺ (abs‘((𝑅‘𝑦) / 𝑦)) ≤ 𝐵) & ⊢ (𝜑 → 𝐴 ∈ ℝ) & ⊢ (𝜑 → 1 ≤ 𝐴) ⇒ ⊢ (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ ((((abs‘(𝑅‘𝑥)) · (log‘𝑥)) − ((2 / (log‘𝑥)) · Σ𝑛 ∈ (1...(⌊‘(𝑥 / 𝐴)))((abs‘(𝑅‘(𝑥 / 𝑛))) · (log‘𝑛)))) / 𝑥)) ∈ ≤𝑂(1))

Theorem	pntrlog2bnd 27702*	A bound on 𝑅(𝑥)log↑2(𝑥). Equation 10.6.15 of [Shapiro], p. 431. (Contributed by Mario Carneiro, 1-Jun-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) ⇒ ⊢ ((𝐴 ∈ ℝ ∧ 1 ≤ 𝐴) → ∃𝑐 ∈ ℝ⁺ ∀𝑥 ∈ (1(,)+∞)((((abs‘(𝑅‘𝑥)) · (log‘𝑥)) − ((2 / (log‘𝑥)) · Σ𝑛 ∈ (1...(⌊‘(𝑥 / 𝐴)))((abs‘(𝑅‘(𝑥 / 𝑛))) · (log‘𝑛)))) / 𝑥) ≤ 𝑐)

Theorem	pntpbnd1a 27703*	Lemma for pntpbnd 27706. (Contributed by Mario Carneiro, 11-Apr-2016.) Replace reference to OLD theorem. (Revised by Wolf Lammen, 8-Sep-2020.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐸 ∈ (0(,)1)) & ⊢ 𝑋 = (exp‘(2 / 𝐸)) & ⊢ (𝜑 → 𝑌 ∈ (𝑋(,)+∞)) & ⊢ (𝜑 → 𝑁 ∈ ℕ) & ⊢ (𝜑 → (𝑌 < 𝑁 ∧ 𝑁 ≤ (𝐾 · 𝑌))) & ⊢ (𝜑 → (abs‘(𝑅‘𝑁)) ≤ (abs‘((𝑅‘(𝑁 + 1)) − (𝑅‘𝑁)))) ⇒ ⊢ (𝜑 → (abs‘((𝑅‘𝑁) / 𝑁)) ≤ 𝐸)

Theorem	pntpbnd1 27704*	Lemma for pntpbnd 27706. (Contributed by Mario Carneiro, 11-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐸 ∈ (0(,)1)) & ⊢ 𝑋 = (exp‘(2 / 𝐸)) & ⊢ (𝜑 → 𝑌 ∈ (𝑋(,)+∞)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑖 ∈ ℕ ∀𝑗 ∈ ℤ (abs‘Σ𝑦 ∈ (𝑖...𝑗)((𝑅‘𝑦) / (𝑦 · (𝑦 + 1)))) ≤ 𝐴) & ⊢ 𝐶 = (𝐴 + 2) & ⊢ (𝜑 → 𝐾 ∈ ((exp‘(𝐶 / 𝐸))[,)+∞)) & ⊢ (𝜑 → ¬ ∃𝑦 ∈ ℕ ((𝑌 < 𝑦 ∧ 𝑦 ≤ (𝐾 · 𝑌)) ∧ (abs‘((𝑅‘𝑦) / 𝑦)) ≤ 𝐸)) ⇒ ⊢ (𝜑 → Σ𝑛 ∈ (((⌊‘𝑌) + 1)...(⌊‘(𝐾 · 𝑌)))(abs‘((𝑅‘𝑛) / (𝑛 · (𝑛 + 1)))) ≤ 𝐴)

Theorem	pntpbnd2 27705*	Lemma for pntpbnd 27706. (Contributed by Mario Carneiro, 11-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐸 ∈ (0(,)1)) & ⊢ 𝑋 = (exp‘(2 / 𝐸)) & ⊢ (𝜑 → 𝑌 ∈ (𝑋(,)+∞)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑖 ∈ ℕ ∀𝑗 ∈ ℤ (abs‘Σ𝑦 ∈ (𝑖...𝑗)((𝑅‘𝑦) / (𝑦 · (𝑦 + 1)))) ≤ 𝐴) & ⊢ 𝐶 = (𝐴 + 2) & ⊢ (𝜑 → 𝐾 ∈ ((exp‘(𝐶 / 𝐸))[,)+∞)) & ⊢ (𝜑 → ¬ ∃𝑦 ∈ ℕ ((𝑌 < 𝑦 ∧ 𝑦 ≤ (𝐾 · 𝑌)) ∧ (abs‘((𝑅‘𝑦) / 𝑦)) ≤ 𝐸)) ⇒ ⊢ ¬ 𝜑

Theorem	pntpbnd 27706*	Lemma for pnt 27732. Establish smallness of 𝑅 at a point. Lemma 10.6.1 in [Shapiro], p. 436. (Contributed by Mario Carneiro, 10-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) ⇒ ⊢ ∃𝑐 ∈ ℝ⁺ ∀𝑒 ∈ (0(,)1)∃𝑥 ∈ ℝ⁺ ∀𝑘 ∈ ((exp‘(𝑐 / 𝑒))[,)+∞)∀𝑦 ∈ (𝑥(,)+∞)∃𝑛 ∈ ℕ ((𝑦 < 𝑛 ∧ 𝑛 ≤ (𝑘 · 𝑦)) ∧ (abs‘((𝑅‘𝑛) / 𝑛)) ≤ 𝑒)

Theorem	pntibndlem1 27707	Lemma for pntibnd 27711. (Contributed by Mario Carneiro, 10-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ 𝐿 = ((1 / 4) / (𝐴 + 3)) ⇒ ⊢ (𝜑 → 𝐿 ∈ (0(,)1))

Theorem	pntibndlem2a 27708*	Lemma for pntibndlem2 27709. (Contributed by Mario Carneiro, 7-Jun-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ 𝐿 = ((1 / 4) / (𝐴 + 3)) & ⊢ (𝜑 → ∀𝑥 ∈ ℝ⁺ (abs‘((𝑅‘𝑥) / 𝑥)) ≤ 𝐴) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ 𝐾 = (exp‘(𝐵 / (𝐸 / 2))) & ⊢ 𝐶 = ((2 · 𝐵) + (log‘2)) & ⊢ (𝜑 → 𝐸 ∈ (0(,)1)) & ⊢ (𝜑 → 𝑍 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑁 ∈ ℕ) ⇒ ⊢ ((𝜑 ∧ 𝑢 ∈ (𝑁[,]((1 + (𝐿 · 𝐸)) · 𝑁))) → (𝑢 ∈ ℝ ∧ 𝑁 ≤ 𝑢 ∧ 𝑢 ≤ ((1 + (𝐿 · 𝐸)) · 𝑁)))

Theorem	pntibndlem2 27709*	Lemma for pntibnd 27711. The main work, after eliminating all the quantifiers. (Contributed by Mario Carneiro, 10-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ 𝐿 = ((1 / 4) / (𝐴 + 3)) & ⊢ (𝜑 → ∀𝑥 ∈ ℝ⁺ (abs‘((𝑅‘𝑥) / 𝑥)) ≤ 𝐴) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ 𝐾 = (exp‘(𝐵 / (𝐸 / 2))) & ⊢ 𝐶 = ((2 · 𝐵) + (log‘2)) & ⊢ (𝜑 → 𝐸 ∈ (0(,)1)) & ⊢ (𝜑 → 𝑍 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑁 ∈ ℕ) & ⊢ (𝜑 → 𝑇 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑥 ∈ (1(,)+∞)∀𝑦 ∈ (𝑥[,](2 · 𝑥))((ψ‘𝑦) − (ψ‘𝑥)) ≤ ((2 · (𝑦 − 𝑥)) + (𝑇 · (𝑥 / (log‘𝑥))))) & ⊢ 𝑋 = ((exp‘(𝑇 / (𝐸 / 4))) + 𝑍) & ⊢ (𝜑 → 𝑀 ∈ ((exp‘(𝐶 / 𝐸))[,)+∞)) & ⊢ (𝜑 → 𝑌 ∈ (𝑋(,)+∞)) & ⊢ (𝜑 → ((𝑌 < 𝑁 ∧ 𝑁 ≤ ((𝑀 / 2) · 𝑌)) ∧ (abs‘((𝑅‘𝑁) / 𝑁)) ≤ (𝐸 / 2))) ⇒ ⊢ (𝜑 → ∃𝑧 ∈ ℝ⁺ ((𝑌 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝑀 · 𝑌)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸))

Theorem	pntibndlem3 27710*	Lemma for pntibnd 27711. Package up pntibndlem2 27709 in quantifiers. (Contributed by Mario Carneiro, 10-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ 𝐿 = ((1 / 4) / (𝐴 + 3)) & ⊢ (𝜑 → ∀𝑥 ∈ ℝ⁺ (abs‘((𝑅‘𝑥) / 𝑥)) ≤ 𝐴) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ 𝐾 = (exp‘(𝐵 / (𝐸 / 2))) & ⊢ 𝐶 = ((2 · 𝐵) + (log‘2)) & ⊢ (𝜑 → 𝐸 ∈ (0(,)1)) & ⊢ (𝜑 → 𝑍 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑚 ∈ (𝐾[,)+∞)∀𝑣 ∈ (𝑍(,)+∞)∃𝑖 ∈ ℕ ((𝑣 < 𝑖 ∧ 𝑖 ≤ (𝑚 · 𝑣)) ∧ (abs‘((𝑅‘𝑖) / 𝑖)) ≤ (𝐸 / 2))) ⇒ ⊢ (𝜑 → ∃𝑥 ∈ ℝ⁺ ∀𝑘 ∈ ((exp‘(𝐶 / 𝐸))[,)+∞)∀𝑦 ∈ (𝑥(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝑘 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸))

Theorem	pntibnd 27711*	Lemma for pnt 27732. Establish smallness of 𝑅 on an interval. Lemma 10.6.2 in [Shapiro], p. 436. (Contributed by Mario Carneiro, 10-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) ⇒ ⊢ ∃𝑐 ∈ ℝ⁺ ∃𝑙 ∈ (0(,)1)∀𝑒 ∈ (0(,)1)∃𝑥 ∈ ℝ⁺ ∀𝑘 ∈ ((exp‘(𝑐 / 𝑒))[,)+∞)∀𝑦 ∈ (𝑥(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝑙 · 𝑒)) · 𝑧) < (𝑘 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝑙 · 𝑒)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝑒)

Theorem	pntlemd 27712	Lemma for pnt 27732. Closure for the constants used in the proof. For comparison with Equation 10.6.27 of [Shapiro], p. 434, 𝐴 is C^*, 𝐵 is c₁, 𝐿 is λ, 𝐷 is c₂, and 𝐹 is c₃. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) ⇒ ⊢ (𝜑 → (𝐿 ∈ ℝ⁺ ∧ 𝐷 ∈ ℝ⁺ ∧ 𝐹 ∈ ℝ⁺))

Theorem	pntlemc 27713*	Lemma for pnt 27732. Closure for the constants used in the proof. For comparison with Equation 10.6.27 of [Shapiro], p. 434, 𝑈 is α, 𝐸 is ε, and 𝐾 is K. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) ⇒ ⊢ (𝜑 → (𝐸 ∈ ℝ⁺ ∧ 𝐾 ∈ ℝ⁺ ∧ (𝐸 ∈ (0(,)1) ∧ 1 < 𝐾 ∧ (𝑈 − 𝐸) ∈ ℝ⁺)))

Theorem	pntlema 27714*	Lemma for pnt 27732. Closure for the constants used in the proof. The mammoth expression 𝑊 is a number large enough to satisfy all the lower bounds needed for 𝑍. For comparison with Equation 10.6.27 of [Shapiro], p. 434, 𝑌 is x₂, 𝑋 is x₁, 𝐶 is the big-O constant in Equation 10.6.29 of [Shapiro], p. 435, and 𝑊 is the unnamed lower bound of "for sufficiently large x" in Equation 10.6.34 of [Shapiro], p. 436. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) ⇒ ⊢ (𝜑 → 𝑊 ∈ ℝ⁺)

Theorem	pntlemb 27715*	Lemma for pnt 27732. Unpack all the lower bounds contained in 𝑊, in the form they will be used. For comparison with Equation 10.6.27 of [Shapiro], p. 434, 𝑍 is x. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) ⇒ ⊢ (𝜑 → (𝑍 ∈ ℝ⁺ ∧ (1 < 𝑍 ∧ e ≤ (√‘𝑍) ∧ (√‘𝑍) ≤ (𝑍 / 𝑌)) ∧ ((4 / (𝐿 · 𝐸)) ≤ (√‘𝑍) ∧ (((log‘𝑋) / (log‘𝐾)) + 2) ≤ (((log‘𝑍) / (log‘𝐾)) / 4) ∧ ((𝑈 · 3) + 𝐶) ≤ (((𝑈 − 𝐸) · ((𝐿 · (𝐸↑2)) / (;32 · 𝐵))) · (log‘𝑍)))))

Theorem	pntlemg 27716*	Lemma for pnt 27732. Closure for the constants used in the proof. For comparison with Equation 10.6.27 of [Shapiro], p. 434, 𝑀 is j^* and 𝑁 is ĵ. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) ⇒ ⊢ (𝜑 → (𝑀 ∈ ℕ ∧ 𝑁 ∈ (ℤ_≥‘𝑀) ∧ (((log‘𝑍) / (log‘𝐾)) / 4) ≤ (𝑁 − 𝑀)))

Theorem	pntlemh 27717*	Lemma for pnt 27732. Bounds on the subintervals in the induction. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) ⇒ ⊢ ((𝜑 ∧ 𝐽 ∈ (𝑀...𝑁)) → (𝑋 < (𝐾↑𝐽) ∧ (𝐾↑𝐽) ≤ (√‘𝑍)))

Theorem	pntlemn 27718*	Lemma for pnt 27732. The "naive" base bound, which we will slightly improve. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) ⇒ ⊢ ((𝜑 ∧ (𝐽 ∈ ℕ ∧ 𝐽 ≤ (𝑍 / 𝑌))) → 0 ≤ (((𝑈 / 𝐽) − (abs‘((𝑅‘(𝑍 / 𝐽)) / 𝑍))) · (log‘𝐽)))

Theorem	pntlemq 27719*	Lemma for pntlemj 27721. (Contributed by Mario Carneiro, 7-Jun-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ 𝑂 = (((⌊‘(𝑍 / (𝐾↑(𝐽 + 1)))) + 1)...(⌊‘(𝑍 / (𝐾↑𝐽)))) & ⊢ (𝜑 → 𝑉 ∈ ℝ⁺) & ⊢ (𝜑 → (((𝐾↑𝐽) < 𝑉 ∧ ((1 + (𝐿 · 𝐸)) · 𝑉) < (𝐾 · (𝐾↑𝐽))) ∧ ∀𝑢 ∈ (𝑉[,]((1 + (𝐿 · 𝐸)) · 𝑉))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ (𝜑 → 𝐽 ∈ (𝑀..^𝑁)) & ⊢ 𝐼 = (((⌊‘(𝑍 / ((1 + (𝐿 · 𝐸)) · 𝑉))) + 1)...(⌊‘(𝑍 / 𝑉))) ⇒ ⊢ (𝜑 → 𝐼 ⊆ 𝑂)

Theorem	pntlemr 27720*	Lemma for pntlemj 27721. (Contributed by Mario Carneiro, 7-Jun-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ 𝑂 = (((⌊‘(𝑍 / (𝐾↑(𝐽 + 1)))) + 1)...(⌊‘(𝑍 / (𝐾↑𝐽)))) & ⊢ (𝜑 → 𝑉 ∈ ℝ⁺) & ⊢ (𝜑 → (((𝐾↑𝐽) < 𝑉 ∧ ((1 + (𝐿 · 𝐸)) · 𝑉) < (𝐾 · (𝐾↑𝐽))) ∧ ∀𝑢 ∈ (𝑉[,]((1 + (𝐿 · 𝐸)) · 𝑉))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ (𝜑 → 𝐽 ∈ (𝑀..^𝑁)) & ⊢ 𝐼 = (((⌊‘(𝑍 / ((1 + (𝐿 · 𝐸)) · 𝑉))) + 1)...(⌊‘(𝑍 / 𝑉))) ⇒ ⊢ (𝜑 → ((𝑈 − 𝐸) · (((𝐿 · 𝐸) / 8) · (log‘𝑍))) ≤ ((♯‘𝐼) · ((𝑈 − 𝐸) · ((log‘(𝑍 / 𝑉)) / (𝑍 / 𝑉)))))

Theorem	pntlemj 27721*	Lemma for pnt 27732. The induction step. Using pntibnd 27711, we find an interval in 𝐾↑𝐽...𝐾↑(𝐽 + 1) which is sufficiently large and has a much smaller value, 𝑅(𝑧) / 𝑧 ≤ 𝐸 (instead of our original bound 𝑅(𝑧) / 𝑧 ≤ 𝑈). (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ 𝑂 = (((⌊‘(𝑍 / (𝐾↑(𝐽 + 1)))) + 1)...(⌊‘(𝑍 / (𝐾↑𝐽)))) & ⊢ (𝜑 → 𝑉 ∈ ℝ⁺) & ⊢ (𝜑 → (((𝐾↑𝐽) < 𝑉 ∧ ((1 + (𝐿 · 𝐸)) · 𝑉) < (𝐾 · (𝐾↑𝐽))) ∧ ∀𝑢 ∈ (𝑉[,]((1 + (𝐿 · 𝐸)) · 𝑉))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ (𝜑 → 𝐽 ∈ (𝑀..^𝑁)) & ⊢ 𝐼 = (((⌊‘(𝑍 / ((1 + (𝐿 · 𝐸)) · 𝑉))) + 1)...(⌊‘(𝑍 / 𝑉))) ⇒ ⊢ (𝜑 → ((𝑈 − 𝐸) · (((𝐿 · 𝐸) / 8) · (log‘𝑍))) ≤ Σ𝑛 ∈ 𝑂 (((𝑈 / 𝑛) − (abs‘((𝑅‘(𝑍 / 𝑛)) / 𝑍))) · (log‘𝑛)))

Theorem	pntlemi 27722*	Lemma for pnt 27732. Eliminate some assumptions from pntlemj 27721. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ 𝑂 = (((⌊‘(𝑍 / (𝐾↑(𝐽 + 1)))) + 1)...(⌊‘(𝑍 / (𝐾↑𝐽)))) ⇒ ⊢ ((𝜑 ∧ 𝐽 ∈ (𝑀..^𝑁)) → ((𝑈 − 𝐸) · (((𝐿 · 𝐸) / 8) · (log‘𝑍))) ≤ Σ𝑛 ∈ 𝑂 (((𝑈 / 𝑛) − (abs‘((𝑅‘(𝑍 / 𝑛)) / 𝑍))) · (log‘𝑛)))

Theorem	pntlemf 27723*	Lemma for pnt 27732. Add up the pieces in pntlemi 27722 to get an estimate slightly better than the naive lower bound 0. (Contributed by Mario Carneiro, 13-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) ⇒ ⊢ (𝜑 → ((𝑈 − 𝐸) · (((𝐿 · (𝐸↑2)) / (;32 · 𝐵)) · ((log‘𝑍)↑2))) ≤ Σ𝑛 ∈ (1...(⌊‘(𝑍 / 𝑌)))(((𝑈 / 𝑛) − (abs‘((𝑅‘(𝑍 / 𝑛)) / 𝑍))) · (log‘𝑛)))

Theorem	pntlemk 27724*	Lemma for pnt 27732. Evaluate the naive part of the estimate. (Contributed by Mario Carneiro, 14-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) ⇒ ⊢ (𝜑 → (2 · Σ𝑛 ∈ (1...(⌊‘(𝑍 / 𝑌)))((𝑈 / 𝑛) · (log‘𝑛))) ≤ ((𝑈 · ((log‘𝑍) + 3)) · (log‘𝑍)))

Theorem	pntlemo 27725*	Lemma for pnt 27732. Combine all the estimates to establish a smaller eventual bound on 𝑅(𝑍) / 𝑍. (Contributed by Mario Carneiro, 14-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → 𝑍 ∈ (𝑊[,)+∞)) & ⊢ 𝑀 = ((⌊‘((log‘𝑋) / (log‘𝐾))) + 1) & ⊢ 𝑁 = (⌊‘(((log‘𝑍) / (log‘𝐾)) / 2)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝐾 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ (𝜑 → ∀𝑧 ∈ (1(,)+∞)((((abs‘(𝑅‘𝑧)) · (log‘𝑧)) − ((2 / (log‘𝑧)) · Σ𝑖 ∈ (1...(⌊‘(𝑧 / 𝑌)))((abs‘(𝑅‘(𝑧 / 𝑖))) · (log‘𝑖)))) / 𝑧) ≤ 𝐶) ⇒ ⊢ (𝜑 → (abs‘((𝑅‘𝑍) / 𝑍)) ≤ (𝑈 − (𝐹 · (𝑈↑3))))

Theorem	pntleme 27726*	Lemma for pnt 27732. Package up pntlemo 27725 in quantifiers. (Contributed by Mario Carneiro, 14-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → (𝑋 ∈ ℝ⁺ ∧ 𝑌 < 𝑋)) & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ 𝑊 = (((𝑌 + (4 / (𝐿 · 𝐸)))↑2) + (((𝑋 · (𝐾↑2))↑4) + (exp‘(((;32 · 𝐵) / ((𝑈 − 𝐸) · (𝐿 · (𝐸↑2)))) · ((𝑈 · 3) + 𝐶))))) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) & ⊢ (𝜑 → ∀𝑘 ∈ (𝐾[,)+∞)∀𝑦 ∈ (𝑋(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝐸)) · 𝑧) < (𝑘 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝐸)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝐸)) & ⊢ (𝜑 → ∀𝑧 ∈ (1(,)+∞)((((abs‘(𝑅‘𝑧)) · (log‘𝑧)) − ((2 / (log‘𝑧)) · Σ𝑖 ∈ (1...(⌊‘(𝑧 / 𝑌)))((abs‘(𝑅‘(𝑧 / 𝑖))) · (log‘𝑖)))) / 𝑧) ≤ 𝐶) ⇒ ⊢ (𝜑 → ∃𝑤 ∈ ℝ⁺ ∀𝑣 ∈ (𝑤[,)+∞)(abs‘((𝑅‘𝑣) / 𝑣)) ≤ (𝑈 − (𝐹 · (𝑈↑3))))

Theorem	pntlem3 27727*	Lemma for pnt 27732. Equation 10.6.35 in [Shapiro], p. 436. (Contributed by Mario Carneiro, 8-Apr-2016.) (Proof shortened by AV, 27-Sep-2020.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑥 ∈ ℝ⁺ (abs‘((𝑅‘𝑥) / 𝑥)) ≤ 𝐴) & ⊢ 𝑇 = {𝑡 ∈ (0[,]𝐴) ∣ ∃𝑦 ∈ ℝ⁺ ∀𝑧 ∈ (𝑦[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑡} & ⊢ (𝜑 → 𝐶 ∈ ℝ⁺) & ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑇) → (𝑢 − (𝐶 · (𝑢↑3))) ∈ 𝑇) ⇒ ⊢ (𝜑 → (𝑥 ∈ ℝ⁺ ↦ ((ψ‘𝑥) / 𝑥)) ⇝_𝑟 1)

Theorem	pntlemp 27728*	Lemma for pnt 27732. Wrapping up more quantifiers. (Contributed by Mario Carneiro, 14-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑥 ∈ ℝ⁺ (abs‘((𝑅‘𝑥) / 𝑥)) ≤ 𝐴) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → ∀𝑒 ∈ (0(,)1)∃𝑥 ∈ ℝ⁺ ∀𝑘 ∈ ((exp‘(𝐵 / 𝑒))[,)+∞)∀𝑦 ∈ (𝑥(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝑒)) · 𝑧) < (𝑘 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝑒)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝑒)) & ⊢ (𝜑 → 𝑈 ∈ ℝ⁺) & ⊢ (𝜑 → 𝑈 ≤ 𝐴) & ⊢ 𝐸 = (𝑈 / 𝐷) & ⊢ 𝐾 = (exp‘(𝐵 / 𝐸)) & ⊢ (𝜑 → (𝑌 ∈ ℝ⁺ ∧ 1 ≤ 𝑌)) & ⊢ (𝜑 → ∀𝑧 ∈ (𝑌[,)+∞)(abs‘((𝑅‘𝑧) / 𝑧)) ≤ 𝑈) ⇒ ⊢ (𝜑 → ∃𝑤 ∈ ℝ⁺ ∀𝑣 ∈ (𝑤[,)+∞)(abs‘((𝑅‘𝑣) / 𝑣)) ≤ (𝑈 − (𝐹 · (𝑈↑3))))

Theorem	pntleml 27729*	Lemma for pnt 27732. Equation 10.6.35 in [Shapiro], p. 436. (Contributed by Mario Carneiro, 14-Apr-2016.)
⊢ 𝑅 = (𝑎 ∈ ℝ⁺ ↦ ((ψ‘𝑎) − 𝑎)) & ⊢ (𝜑 → 𝐴 ∈ ℝ⁺) & ⊢ (𝜑 → ∀𝑥 ∈ ℝ⁺ (abs‘((𝑅‘𝑥) / 𝑥)) ≤ 𝐴) & ⊢ (𝜑 → 𝐵 ∈ ℝ⁺) & ⊢ (𝜑 → 𝐿 ∈ (0(,)1)) & ⊢ 𝐷 = (𝐴 + 1) & ⊢ 𝐹 = ((1 − (1 / 𝐷)) · ((𝐿 / (;32 · 𝐵)) / (𝐷↑2))) & ⊢ (𝜑 → ∀𝑒 ∈ (0(,)1)∃𝑥 ∈ ℝ⁺ ∀𝑘 ∈ ((exp‘(𝐵 / 𝑒))[,)+∞)∀𝑦 ∈ (𝑥(,)+∞)∃𝑧 ∈ ℝ⁺ ((𝑦 < 𝑧 ∧ ((1 + (𝐿 · 𝑒)) · 𝑧) < (𝑘 · 𝑦)) ∧ ∀𝑢 ∈ (𝑧[,]((1 + (𝐿 · 𝑒)) · 𝑧))(abs‘((𝑅‘𝑢) / 𝑢)) ≤ 𝑒)) ⇒ ⊢ (𝜑 → (𝑥 ∈ ℝ⁺ ↦ ((ψ‘𝑥) / 𝑥)) ⇝_𝑟 1)

Theorem	pnt3 27730	The Prime Number Theorem, version 3: the second Chebyshev function tends asymptotically to 𝑥. (Contributed by Mario Carneiro, 1-Jun-2016.)
⊢ (𝑥 ∈ ℝ⁺ ↦ ((ψ‘𝑥) / 𝑥)) ⇝_𝑟 1

Theorem	pnt2 27731	The Prime Number Theorem, version 2: the first Chebyshev function tends asymptotically to 𝑥. (Contributed by Mario Carneiro, 1-Jun-2016.)
⊢ (𝑥 ∈ ℝ⁺ ↦ ((θ‘𝑥) / 𝑥)) ⇝_𝑟 1

Theorem	pnt 27732	The Prime Number Theorem: the number of prime numbers less than 𝑥 tends asymptotically to 𝑥 / log(𝑥) as 𝑥 goes to infinity. This is Metamath 100 proof #5. (Contributed by Mario Carneiro, 1-Jun-2016.)
⊢ (𝑥 ∈ (1(,)+∞) ↦ ((π‘𝑥) / (𝑥 / (log‘𝑥)))) ⇝_𝑟 1

14.4.14 Ostrowski's theorem

Theorem	abvcxp 27733*	Raising an absolute value to a power less than one yields another absolute value. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝐴 = (AbsVal‘𝑅) & ⊢ 𝐵 = (Base‘𝑅) & ⊢ 𝐺 = (𝑥 ∈ 𝐵 ↦ ((𝐹‘𝑥)↑_𝑐𝑆)) ⇒ ⊢ ((𝐹 ∈ 𝐴 ∧ 𝑆 ∈ (0(,]1)) → 𝐺 ∈ 𝐴)

Theorem	padicfval 27734*	Value of the p-adic absolute value. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) ⇒ ⊢ (𝑃 ∈ ℙ → (𝐽‘𝑃) = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑃↑-(𝑃 pCnt 𝑥)))))

Theorem	padicval 27735*	Value of the p-adic absolute value. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) ⇒ ⊢ ((𝑃 ∈ ℙ ∧ 𝑋 ∈ ℚ) → ((𝐽‘𝑃)‘𝑋) = if(𝑋 = 0, 0, (𝑃↑-(𝑃 pCnt 𝑋))))

Theorem	ostth2lem1 27736*	Lemma for ostth2 27755, although it is just a simple statement about exponentials which does not involve any specifics of ostth2 27755. If a power is upper bounded by a linear term, the exponent must be less than one. Or in big-O notation, 𝑛 ∈ 𝑜(𝐴↑𝑛) for any 1 < 𝐴. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ (𝜑 → 𝐴 ∈ ℝ) & ⊢ (𝜑 → 𝐵 ∈ ℝ) & ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴↑𝑛) ≤ (𝑛 · 𝐵)) ⇒ ⊢ (𝜑 → 𝐴 ≤ 1)

Theorem	qrngbas 27737	The base set of the field of rationals. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) ⇒ ⊢ ℚ = (Base‘𝑄)

Theorem	qdrng 27738	The rationals form a division ring. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) ⇒ ⊢ 𝑄 ∈ DivRing

Theorem	qrng0 27739	The zero element of the field of rationals. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) ⇒ ⊢ 0 = (0_g‘𝑄)

Theorem	qrng1 27740	The unity element of the field of rationals. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) ⇒ ⊢ 1 = (1_r‘𝑄)

Theorem	qrngneg 27741	The additive inverse in the field of rationals. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) ⇒ ⊢ (𝑋 ∈ ℚ → ((inv_g‘𝑄)‘𝑋) = -𝑋)

Theorem	qrngdiv 27742	The division operation in the field of rationals. (Contributed by Mario Carneiro, 8-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) ⇒ ⊢ ((𝑋 ∈ ℚ ∧ 𝑌 ∈ ℚ ∧ 𝑌 ≠ 0) → (𝑋(/_r‘𝑄)𝑌) = (𝑋 / 𝑌))

Theorem	qabvle 27743	By using induction on 𝑁, we show a long-range inequality coming from the triangle inequality. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) ⇒ ⊢ ((𝐹 ∈ 𝐴 ∧ 𝑁 ∈ ℕ₀) → (𝐹‘𝑁) ≤ 𝑁)

Theorem	qabvexp 27744	Induct the product rule abvmul 20890 to find the absolute value of a power. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) ⇒ ⊢ ((𝐹 ∈ 𝐴 ∧ 𝑀 ∈ ℚ ∧ 𝑁 ∈ ℕ₀) → (𝐹‘(𝑀↑𝑁)) = ((𝐹‘𝑀)↑𝑁))

Theorem	ostthlem1 27745*	Lemma for ostth 27757. If two absolute values agree on the positive integers greater than one, then they agree for all rational numbers and thus are equal as functions. (Contributed by Mario Carneiro, 9-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → 𝐺 ∈ 𝐴) & ⊢ ((𝜑 ∧ 𝑛 ∈ (ℤ_≥‘2)) → (𝐹‘𝑛) = (𝐺‘𝑛)) ⇒ ⊢ (𝜑 → 𝐹 = 𝐺)

Theorem	ostthlem2 27746*	Lemma for ostth 27757. Refine ostthlem1 27745 so that it is sufficient to only show equality on the primes. (Contributed by Mario Carneiro, 9-Sep-2014.) (Revised by Mario Carneiro, 20-Jun-2015.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → 𝐺 ∈ 𝐴) & ⊢ ((𝜑 ∧ 𝑝 ∈ ℙ) → (𝐹‘𝑝) = (𝐺‘𝑝)) ⇒ ⊢ (𝜑 → 𝐹 = 𝐺)

Theorem	qabsabv 27747	The regular absolute value function on the rationals is in fact an absolute value under our definition. (Contributed by Mario Carneiro, 9-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) ⇒ ⊢ (abs ↾ ℚ) ∈ 𝐴

Theorem	padicabv 27748*	The p-adic absolute value (with arbitrary base) is an absolute value. (Contributed by Mario Carneiro, 9-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐹 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑁↑(𝑃 pCnt 𝑥)))) ⇒ ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ (0(,)1)) → 𝐹 ∈ 𝐴)

Theorem	padicabvf 27749*	The p-adic absolute value is an absolute value. (Contributed by Mario Carneiro, 9-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) ⇒ ⊢ 𝐽:ℙ⟶𝐴

Theorem	padicabvcxp 27750*	All positive powers of the p-adic absolute value are absolute values. (Contributed by Mario Carneiro, 9-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) ⇒ ⊢ ((𝑃 ∈ ℙ ∧ 𝑅 ∈ ℝ⁺) → (𝑦 ∈ ℚ ↦ (((𝐽‘𝑃)‘𝑦)↑_𝑐𝑅)) ∈ 𝐴)

Theorem	ostth1 27751*	- Lemma for ostth 27757: trivial case. (Not that the proof is trivial, but that we are proving that the function is trivial.) If 𝐹 is equal to 1 on the primes, then by complete induction and the multiplicative property abvmul 20890 of the absolute value, 𝐹 is equal to 1 on all the integers, and ostthlem1 27745 extends this to the other rational numbers. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → ∀𝑛 ∈ ℕ ¬ 1 < (𝐹‘𝑛)) & ⊢ (𝜑 → ∀𝑛 ∈ ℙ ¬ (𝐹‘𝑛) < 1) ⇒ ⊢ (𝜑 → 𝐹 = 𝐾)

Theorem	ostth2lem2 27752*	Lemma for ostth2 27755. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → 𝑁 ∈ (ℤ_≥‘2)) & ⊢ (𝜑 → 1 < (𝐹‘𝑁)) & ⊢ 𝑅 = ((log‘(𝐹‘𝑁)) / (log‘𝑁)) & ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘2)) & ⊢ 𝑆 = ((log‘(𝐹‘𝑀)) / (log‘𝑀)) & ⊢ 𝑇 = if((𝐹‘𝑀) ≤ 1, 1, (𝐹‘𝑀)) ⇒ ⊢ ((𝜑 ∧ 𝑋 ∈ ℕ₀ ∧ 𝑌 ∈ (0...((𝑀↑𝑋) − 1))) → (𝐹‘𝑌) ≤ ((𝑀 · 𝑋) · (𝑇↑𝑋)))

Theorem	ostth2lem3 27753*	Lemma for ostth2 27755. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → 𝑁 ∈ (ℤ_≥‘2)) & ⊢ (𝜑 → 1 < (𝐹‘𝑁)) & ⊢ 𝑅 = ((log‘(𝐹‘𝑁)) / (log‘𝑁)) & ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘2)) & ⊢ 𝑆 = ((log‘(𝐹‘𝑀)) / (log‘𝑀)) & ⊢ 𝑇 = if((𝐹‘𝑀) ≤ 1, 1, (𝐹‘𝑀)) & ⊢ 𝑈 = ((log‘𝑁) / (log‘𝑀)) ⇒ ⊢ ((𝜑 ∧ 𝑋 ∈ ℕ) → (((𝐹‘𝑁) / (𝑇↑_𝑐𝑈))↑𝑋) ≤ (𝑋 · ((𝑀 · 𝑇) · (𝑈 + 1))))

Theorem	ostth2lem4 27754*	Lemma for ostth2 27755. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → 𝑁 ∈ (ℤ_≥‘2)) & ⊢ (𝜑 → 1 < (𝐹‘𝑁)) & ⊢ 𝑅 = ((log‘(𝐹‘𝑁)) / (log‘𝑁)) & ⊢ (𝜑 → 𝑀 ∈ (ℤ_≥‘2)) & ⊢ 𝑆 = ((log‘(𝐹‘𝑀)) / (log‘𝑀)) & ⊢ 𝑇 = if((𝐹‘𝑀) ≤ 1, 1, (𝐹‘𝑀)) & ⊢ 𝑈 = ((log‘𝑁) / (log‘𝑀)) ⇒ ⊢ (𝜑 → (1 < (𝐹‘𝑀) ∧ 𝑅 ≤ 𝑆))

Theorem	ostth2 27755*	- Lemma for ostth 27757: regular case. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → 𝑁 ∈ (ℤ_≥‘2)) & ⊢ (𝜑 → 1 < (𝐹‘𝑁)) & ⊢ 𝑅 = ((log‘(𝐹‘𝑁)) / (log‘𝑁)) ⇒ ⊢ (𝜑 → ∃𝑎 ∈ (0(,]1)𝐹 = (𝑦 ∈ ℚ ↦ ((abs‘𝑦)↑_𝑐𝑎)))

Theorem	ostth3 27756*	- Lemma for ostth 27757: p-adic case. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) & ⊢ (𝜑 → 𝐹 ∈ 𝐴) & ⊢ (𝜑 → ∀𝑛 ∈ ℕ ¬ 1 < (𝐹‘𝑛)) & ⊢ (𝜑 → 𝑃 ∈ ℙ) & ⊢ (𝜑 → (𝐹‘𝑃) < 1) & ⊢ 𝑅 = -((log‘(𝐹‘𝑃)) / (log‘𝑃)) & ⊢ 𝑆 = if((𝐹‘𝑃) ≤ (𝐹‘𝑝), (𝐹‘𝑝), (𝐹‘𝑃)) ⇒ ⊢ (𝜑 → ∃𝑎 ∈ ℝ⁺ 𝐹 = (𝑦 ∈ ℚ ↦ (((𝐽‘𝑃)‘𝑦)↑_𝑐𝑎)))

Theorem	ostth 27757*	Ostrowski's theorem, which classifies all absolute values on ℚ. Any such absolute value must either be the trivial absolute value 𝐾, a constant exponent 0 < 𝑎 ≤ 1 times the regular absolute value, or a positive exponent times the p-adic absolute value. (Contributed by Mario Carneiro, 10-Sep-2014.)
⊢ 𝑄 = (ℂ_fld ↾_s ℚ) & ⊢ 𝐴 = (AbsVal‘𝑄) & ⊢ 𝐽 = (𝑞 ∈ ℙ ↦ (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, (𝑞↑-(𝑞 pCnt 𝑥))))) & ⊢ 𝐾 = (𝑥 ∈ ℚ ↦ if(𝑥 = 0, 0, 1)) ⇒ ⊢ (𝐹 ∈ 𝐴 ↔ (𝐹 = 𝐾 ∨ ∃𝑎 ∈ (0(,]1)𝐹 = (𝑦 ∈ ℚ ↦ ((abs‘𝑦)↑_𝑐𝑎)) ∨ ∃𝑎 ∈ ℝ⁺ ∃𝑔 ∈ ran 𝐽 𝐹 = (𝑦 ∈ ℚ ↦ ((𝑔‘𝑦)↑_𝑐𝑎))))

PART 15 SURREAL NUMBERS

15.1 Sign sequence representation and Alling's axioms The surreal numbers can be represented in several equivalent ways. In [Alling], Norman Alling made this notion explicit by giving a set of axioms that all representations admit, then proving that there is an order and birthday preserving bijection between any systems that satisfy these axioms. In this section, we start with the definition of surreal numbers given in [Gonshor] and derive Alling's axioms. After deriving them we no longer refer to the explicit definition of surreals. In particular, we never take advantage of the fact that the empty set is a surreal number under our definition.

15.1.1 Definitions and initial properties

Syntax	csur 27758	Declare the class of all surreal numbers (see df-no 27761).
class No

Syntax	clts 27759	Declare the less-than relation over surreal numbers (see df-lts 27762).
class <s

Syntax	cbday 27760	Declare the birthday function for surreal numbers (see df-bday 27763).
class bday

Definition	df-no 27761*	Define the class of surreal numbers. The surreal numbers are a proper class of numbers developed by John H. Conway and introduced by Donald Knuth in 1975. They form a proper class into which all ordered fields can be embedded. The approach we take to defining them was first introduced by Hary Gonshor, and is based on the conception of a "sign expansion" of a surreal number. We define the surreals as ordinal-indexed sequences of 1_o and 2_o, analogous to Gonshor's ( − ) and ( + ). After introducing this definition, we will abstract away from it using axioms that Norman Alling developed in "Foundations of Analysis over Surreal Number Fields." This is done in an effort to be agnostic towards the exact implementation of surreals. (Contributed by Scott Fenton, 9-Jun-2011.)
⊢ No = {𝑓 ∣ ∃𝑎 ∈ On 𝑓:𝑎⟶{1_o, 2_o}}

Definition	df-lts 27762*	Next, we introduce surreal less-than, a comparison relation over the surreals by lexicographically ordering them. (Contributed by Scott Fenton, 9-Jun-2011.)
⊢ <s = {⟨𝑓, 𝑔⟩ ∣ ((𝑓 ∈ No ∧ 𝑔 ∈ No ) ∧ ∃𝑥 ∈ On (∀𝑦 ∈ 𝑥 (𝑓‘𝑦) = (𝑔‘𝑦) ∧ (𝑓‘𝑥){⟨1_o, ∅⟩, ⟨1_o, 2_o⟩, ⟨∅, 2_o⟩} (𝑔‘𝑥)))}

Definition	df-bday 27763	Finally, we introduce the birthday function. This function maps each surreal to an ordinal. In our implementation, this is the domain of the sign function. The important properties of this function are established later. (Contributed by Scott Fenton, 11-Jun-2011.)
⊢ bday = (𝑥 ∈ No ↦ dom 𝑥)

Theorem	elno 27764*	Membership in the surreals. (Contributed by Scott Fenton, 11-Jun-2011.) (Proof shortened by SF, 14-Apr-2012.) Avoid ax-rep 5231. (Revised by SN, 5-Jun-2025.)
⊢ (𝐴 ∈ No ↔ ∃𝑥 ∈ On 𝐴:𝑥⟶{1_o, 2_o})

Theorem	ltsval 27765*	The value of the surreal less-than relation. (Contributed by Scott Fenton, 14-Jun-2011.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ) → (𝐴 <s 𝐵 ↔ ∃𝑥 ∈ On (∀𝑦 ∈ 𝑥 (𝐴‘𝑦) = (𝐵‘𝑦) ∧ (𝐴‘𝑥){⟨1_o, ∅⟩, ⟨1_o, 2_o⟩, ⟨∅, 2_o⟩} (𝐵‘𝑥))))

Theorem	bdayval 27766	The value of the birthday function within the surreals. (Contributed by Scott Fenton, 14-Jun-2011.)
⊢ (𝐴 ∈ No → ( bday ‘𝐴) = dom 𝐴)

Theorem	nofun 27767	A surreal is a function. (Contributed by Scott Fenton, 16-Jun-2011.)
⊢ (𝐴 ∈ No → Fun 𝐴)

Theorem	nodmon 27768	The domain of a surreal is an ordinal. (Contributed by Scott Fenton, 16-Jun-2011.)
⊢ (𝐴 ∈ No → dom 𝐴 ∈ On)

Theorem	norn 27769	The range of a surreal is a subset of the surreal signs. (Contributed by Scott Fenton, 16-Jun-2011.)
⊢ (𝐴 ∈ No → ran 𝐴 ⊆ {1_o, 2_o})

Theorem	nofnbday 27770	A surreal is a function over its birthday. (Contributed by Scott Fenton, 16-Jun-2011.)
⊢ (𝐴 ∈ No → 𝐴 Fn ( bday ‘𝐴))

Theorem	nodmord 27771	The domain of a surreal has the ordinal property. (Contributed by Scott Fenton, 16-Jun-2011.)
⊢ (𝐴 ∈ No → Ord dom 𝐴)

Theorem	elno2 27772	An alternative condition for membership in No . (Contributed by Scott Fenton, 21-Mar-2012.)
⊢ (𝐴 ∈ No ↔ (Fun 𝐴 ∧ dom 𝐴 ∈ On ∧ ran 𝐴 ⊆ {1_o, 2_o}))

Theorem	elno3 27773	Another condition for membership in No . (Contributed by Scott Fenton, 14-Apr-2012.)
⊢ (𝐴 ∈ No ↔ (𝐴:dom 𝐴⟶{1_o, 2_o} ∧ dom 𝐴 ∈ On))

Theorem	ltsval2 27774*	Alternate expression for surreal less-than. Two surreals obey surreal less-than iff they obey the sign ordering at the first place they differ. (Contributed by Scott Fenton, 17-Jun-2011.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ) → (𝐴 <s 𝐵 ↔ (𝐴‘∩ {𝑎 ∈ On ∣ (𝐴‘𝑎) ≠ (𝐵‘𝑎)}){⟨1_o, ∅⟩, ⟨1_o, 2_o⟩, ⟨∅, 2_o⟩} (𝐵‘∩ {𝑎 ∈ On ∣ (𝐴‘𝑎) ≠ (𝐵‘𝑎)})))

Theorem	nofv 27775	The function value of a surreal is either a sign or the empty set. (Contributed by Scott Fenton, 22-Jun-2011.)
⊢ (𝐴 ∈ No → ((𝐴‘𝑋) = ∅ ∨ (𝐴‘𝑋) = 1_o ∨ (𝐴‘𝑋) = 2_o))

Theorem	nosgnn0 27776	∅ is not a surreal sign. (Contributed by Scott Fenton, 16-Jun-2011.)
⊢ ¬ ∅ ∈ {1_o, 2_o}

Theorem	nosgnn0i 27777	If 𝑋 is a surreal sign, then it is not null. (Contributed by Scott Fenton, 3-Aug-2011.)
⊢ 𝑋 ∈ {1_o, 2_o} ⇒ ⊢ ∅ ≠ 𝑋

Theorem	noreson 27778	The restriction of a surreal to an ordinal is still a surreal. (Contributed by Scott Fenton, 4-Sep-2011.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ On) → (𝐴 ↾ 𝐵) ∈ No )

Theorem	ltsintdifex 27779*	If 𝐴 <s 𝐵, then the intersection of all the ordinals that have differing signs in 𝐴 and 𝐵 exists. (Contributed by Scott Fenton, 22-Feb-2012.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ) → (𝐴 <s 𝐵 → ∩ {𝑎 ∈ On ∣ (𝐴‘𝑎) ≠ (𝐵‘𝑎)} ∈ V))

Theorem	ltsres 27780	If the restrictions of two surreals to a given ordinal obey surreal less-than, then so do the two surreals themselves. (Contributed by Scott Fenton, 4-Sep-2011.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝑋 ∈ On) → ((𝐴 ↾ 𝑋) <s (𝐵 ↾ 𝑋) → 𝐴 <s 𝐵))

Theorem	noxp1o 27781	The Cartesian product of an ordinal and {1_o} is a surreal. (Contributed by Scott Fenton, 12-Jun-2011.)
⊢ (𝐴 ∈ On → (𝐴 × {1_o}) ∈ No )

Theorem	noseponlem 27782*	Lemma for nosepon 27783. Consider a case of proper subset domain. (Contributed by Scott Fenton, 21-Sep-2020.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ dom 𝐴 ∈ dom 𝐵) → ¬ ∀𝑥 ∈ On (𝐴‘𝑥) = (𝐵‘𝑥))

Theorem	nosepon 27783*	Given two unequal surreals, the minimal ordinal at which they differ is an ordinal. (Contributed by Scott Fenton, 21-Sep-2020.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐴 ≠ 𝐵) → ∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ (𝐵‘𝑥)} ∈ On)

Theorem	noextend 27784	Extending a surreal by one sign value results in a new surreal. (Contributed by Scott Fenton, 22-Nov-2021.)
⊢ 𝑋 ∈ {1_o, 2_o} ⇒ ⊢ (𝐴 ∈ No → (𝐴 ∪ {⟨dom 𝐴, 𝑋⟩}) ∈ No )

Theorem	noextendseq 27785	Extend a surreal by a sequence of ordinals. (Contributed by Scott Fenton, 30-Nov-2021.)
⊢ 𝑋 ∈ {1_o, 2_o} ⇒ ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ On) → (𝐴 ∪ ((𝐵 ∖ dom 𝐴) × {𝑋})) ∈ No )

Theorem	noextenddif 27786*	Calculate the place where a surreal and its extension differ. (Contributed by Scott Fenton, 22-Nov-2021.)
⊢ 𝑋 ∈ {1_o, 2_o} ⇒ ⊢ (𝐴 ∈ No → ∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ ((𝐴 ∪ {⟨dom 𝐴, 𝑋⟩})‘𝑥)} = dom 𝐴)

Theorem	noextendlt 27787	Extending a surreal with a negative sign results in a smaller surreal. (Contributed by Scott Fenton, 22-Nov-2021.)
⊢ (𝐴 ∈ No → (𝐴 ∪ {⟨dom 𝐴, 1_o⟩}) <s 𝐴)

Theorem	noextendgt 27788	Extending a surreal with a positive sign results in a bigger surreal. (Contributed by Scott Fenton, 22-Nov-2021.)
⊢ (𝐴 ∈ No → 𝐴 <s (𝐴 ∪ {⟨dom 𝐴, 2_o⟩}))

Theorem	nolesgn2o 27789	Given 𝐴 less-than or equal to 𝐵, equal to 𝐵 up to 𝑋, and 𝐴(𝑋) = 2_o, then 𝐵(𝑋) = 2_o. (Contributed by Scott Fenton, 6-Dec-2021.)
⊢ (((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝑋 ∈ On) ∧ ((𝐴 ↾ 𝑋) = (𝐵 ↾ 𝑋) ∧ (𝐴‘𝑋) = 2_o) ∧ ¬ 𝐵 <s 𝐴) → (𝐵‘𝑋) = 2_o)

Theorem	nolesgn2ores 27790	Given 𝐴 less-than or equal to 𝐵, equal to 𝐵 up to 𝑋, and 𝐴(𝑋) = 2_o, then (𝐴 ↾ suc 𝑋) = (𝐵 ↾ suc 𝑋). (Contributed by Scott Fenton, 6-Dec-2021.)
⊢ (((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝑋 ∈ On) ∧ ((𝐴 ↾ 𝑋) = (𝐵 ↾ 𝑋) ∧ (𝐴‘𝑋) = 2_o) ∧ ¬ 𝐵 <s 𝐴) → (𝐴 ↾ suc 𝑋) = (𝐵 ↾ suc 𝑋))

Theorem	nogesgn1o 27791	Given 𝐴 greater than or equal to 𝐵, equal to 𝐵 up to 𝑋, and 𝐴(𝑋) = 1_o, then 𝐵(𝑋) = 1_o. (Contributed by Scott Fenton, 9-Aug-2024.)
⊢ (((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝑋 ∈ On) ∧ ((𝐴 ↾ 𝑋) = (𝐵 ↾ 𝑋) ∧ (𝐴‘𝑋) = 1_o) ∧ ¬ 𝐴 <s 𝐵) → (𝐵‘𝑋) = 1_o)

Theorem	nogesgn1ores 27792	Given 𝐴 greater than or equal to 𝐵, equal to 𝐵 up to 𝑋, and 𝐴(𝑋) = 1_o, then (𝐴 ↾ suc 𝑋) = (𝐵 ↾ suc 𝑋). (Contributed by Scott Fenton, 6-Dec-2021.)
⊢ (((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝑋 ∈ On) ∧ ((𝐴 ↾ 𝑋) = (𝐵 ↾ 𝑋) ∧ (𝐴‘𝑋) = 1_o) ∧ ¬ 𝐴 <s 𝐵) → (𝐴 ↾ suc 𝑋) = (𝐵 ↾ suc 𝑋))

15.1.2 Ordering

Theorem	ltssolem1 27793	Lemma for ltsso 27794. The "sign expansion" binary relation totally orders the surreal signs. (Contributed by Scott Fenton, 8-Jun-2011.)
⊢ {⟨1_o, ∅⟩, ⟨1_o, 2_o⟩, ⟨∅, 2_o⟩} Or ({1_o, 2_o} ∪ {∅})

Theorem	ltsso 27794	Less-than totally orders the surreals. Axiom O of [Alling] p. 184. (Contributed by Scott Fenton, 9-Jun-2011.)
⊢ <s Or No

15.1.3 Birthday Function

Theorem	bdayfo 27795	The birthday function maps the surreals onto the ordinals. Axiom B of [Alling] p. 184. (Proof shortened on 14-Apr-2012 by SF). (Contributed by Scott Fenton, 11-Jun-2011.)
⊢ bday : No –onto→On

15.1.4 Density

Theorem	fvnobday 27796	The value of a surreal at its birthday is ∅. (Contributed by Scott Fenton, 14-Jun-2011.) (Proof shortened by SF, 14-Apr-2012.)
⊢ (𝐴 ∈ No → (𝐴‘( bday ‘𝐴)) = ∅)

Theorem	nosepnelem 27797*	Lemma for nosepne 27798. (Contributed by Scott Fenton, 24-Nov-2021.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐴 <s 𝐵) → (𝐴‘∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ (𝐵‘𝑥)}) ≠ (𝐵‘∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ (𝐵‘𝑥)}))

Theorem	nosepne 27798*	The value of two non-equal surreals at the first place they differ is different. (Contributed by Scott Fenton, 24-Nov-2021.)
⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐴 ≠ 𝐵) → (𝐴‘∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ (𝐵‘𝑥)}) ≠ (𝐵‘∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ (𝐵‘𝑥)}))

Theorem	nosep1o 27799*	If the value of a surreal at a separator is 1_o then the surreal is lesser. (Contributed by Scott Fenton, 7-Dec-2021.)
⊢ (((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐴 ≠ 𝐵) ∧ (𝐴‘∩ {𝑥 ∈ On ∣ (𝐴‘𝑥) ≠ (𝐵‘𝑥)}) = 1_o) → 𝐴 <s 𝐵)

Theorem	nosep2o 27800*	If the value of a surreal at a separator is 2_o then the surreal is greater. (Contributed by Scott Fenton, 7-Dec-2021.)
⊢ (((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐴 ≠ 𝐵) ∧ (𝐴‘∩ {𝑥 ∈ On ∣ (𝐵‘𝑥) ≠ (𝐴‘𝑥)}) = 2_o) → 𝐵 <s 𝐴)

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