This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: The sum of the von Mangoldt function over n is asymptotic to log x + O(1) . Equation 9.2.13 of Shapiro, p. 331. (Contributed by Mario Carneiro, 16-Apr-2016)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | vmadivsum | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( log ‘ 𝑥 ) ) ) ∈ 𝑂(1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reex | ⊢ ℝ ∈ V | |
| 2 | rpssre | ⊢ ℝ+ ⊆ ℝ | |
| 3 | 1 2 | ssexi | ⊢ ℝ+ ∈ V |
| 4 | 3 | a1i | ⊢ ( ⊤ → ℝ+ ∈ V ) |
| 5 | ovexd | ⊢ ( ( ⊤ ∧ 𝑥 ∈ ℝ+ ) → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ∈ V ) | |
| 6 | ovexd | ⊢ ( ( ⊤ ∧ 𝑥 ∈ ℝ+ ) → ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ∈ V ) | |
| 7 | eqidd | ⊢ ( ⊤ → ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) = ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) | |
| 8 | eqidd | ⊢ ( ⊤ → ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) = ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) | |
| 9 | 4 5 6 7 8 | offval2 | ⊢ ( ⊤ → ( ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∘f − ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) = ( 𝑥 ∈ ℝ+ ↦ ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) − ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) ) |
| 10 | 9 | mptru | ⊢ ( ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∘f − ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) = ( 𝑥 ∈ ℝ+ ↦ ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) − ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) |
| 11 | fzfid | ⊢ ( 𝑥 ∈ ℝ+ → ( 1 ... ( ⌊ ‘ 𝑥 ) ) ∈ Fin ) | |
| 12 | elfznn | ⊢ ( 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) → 𝑛 ∈ ℕ ) | |
| 13 | 12 | adantl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 𝑛 ∈ ℕ ) |
| 14 | vmacl | ⊢ ( 𝑛 ∈ ℕ → ( Λ ‘ 𝑛 ) ∈ ℝ ) | |
| 15 | 13 14 | syl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( Λ ‘ 𝑛 ) ∈ ℝ ) |
| 16 | 15 13 | nndivred | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) / 𝑛 ) ∈ ℝ ) |
| 17 | 11 16 | fsumrecl | ⊢ ( 𝑥 ∈ ℝ+ → Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) ∈ ℝ ) |
| 18 | 17 | recnd | ⊢ ( 𝑥 ∈ ℝ+ → Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) ∈ ℂ ) |
| 19 | relogcl | ⊢ ( 𝑥 ∈ ℝ+ → ( log ‘ 𝑥 ) ∈ ℝ ) | |
| 20 | 19 | recnd | ⊢ ( 𝑥 ∈ ℝ+ → ( log ‘ 𝑥 ) ∈ ℂ ) |
| 21 | rprege0 | ⊢ ( 𝑥 ∈ ℝ+ → ( 𝑥 ∈ ℝ ∧ 0 ≤ 𝑥 ) ) | |
| 22 | flge0nn0 | ⊢ ( ( 𝑥 ∈ ℝ ∧ 0 ≤ 𝑥 ) → ( ⌊ ‘ 𝑥 ) ∈ ℕ0 ) | |
| 23 | faccl | ⊢ ( ( ⌊ ‘ 𝑥 ) ∈ ℕ0 → ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ∈ ℕ ) | |
| 24 | 21 22 23 | 3syl | ⊢ ( 𝑥 ∈ ℝ+ → ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ∈ ℕ ) |
| 25 | 24 | nnrpd | ⊢ ( 𝑥 ∈ ℝ+ → ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ∈ ℝ+ ) |
| 26 | 25 | relogcld | ⊢ ( 𝑥 ∈ ℝ+ → ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ∈ ℝ ) |
| 27 | rerpdivcl | ⊢ ( ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ∈ ℝ ∧ 𝑥 ∈ ℝ+ ) → ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ∈ ℝ ) | |
| 28 | 26 27 | mpancom | ⊢ ( 𝑥 ∈ ℝ+ → ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ∈ ℝ ) |
| 29 | 28 | recnd | ⊢ ( 𝑥 ∈ ℝ+ → ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ∈ ℂ ) |
| 30 | 18 20 29 | nnncan2d | ⊢ ( 𝑥 ∈ ℝ+ → ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) − ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) = ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( log ‘ 𝑥 ) ) ) |
| 31 | 30 | mpteq2ia | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) − ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) = ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( log ‘ 𝑥 ) ) ) |
| 32 | 10 31 | eqtri | ⊢ ( ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∘f − ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) = ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( log ‘ 𝑥 ) ) ) |
| 33 | 1red | ⊢ ( ⊤ → 1 ∈ ℝ ) | |
| 34 | chpo1ub | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) ∈ 𝑂(1) | |
| 35 | 34 | a1i | ⊢ ( ⊤ → ( 𝑥 ∈ ℝ+ ↦ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) ∈ 𝑂(1) ) |
| 36 | rpre | ⊢ ( 𝑥 ∈ ℝ+ → 𝑥 ∈ ℝ ) | |
| 37 | chpcl | ⊢ ( 𝑥 ∈ ℝ → ( ψ ‘ 𝑥 ) ∈ ℝ ) | |
| 38 | 36 37 | syl | ⊢ ( 𝑥 ∈ ℝ+ → ( ψ ‘ 𝑥 ) ∈ ℝ ) |
| 39 | rerpdivcl | ⊢ ( ( ( ψ ‘ 𝑥 ) ∈ ℝ ∧ 𝑥 ∈ ℝ+ ) → ( ( ψ ‘ 𝑥 ) / 𝑥 ) ∈ ℝ ) | |
| 40 | 38 39 | mpancom | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ψ ‘ 𝑥 ) / 𝑥 ) ∈ ℝ ) |
| 41 | 40 | recnd | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ψ ‘ 𝑥 ) / 𝑥 ) ∈ ℂ ) |
| 42 | 41 | adantl | ⊢ ( ( ⊤ ∧ 𝑥 ∈ ℝ+ ) → ( ( ψ ‘ 𝑥 ) / 𝑥 ) ∈ ℂ ) |
| 43 | 18 29 | subcld | ⊢ ( 𝑥 ∈ ℝ+ → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ∈ ℂ ) |
| 44 | 43 | adantl | ⊢ ( ( ⊤ ∧ 𝑥 ∈ ℝ+ ) → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ∈ ℂ ) |
| 45 | 36 | adantr | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 𝑥 ∈ ℝ ) |
| 46 | 16 45 | remulcld | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ∈ ℝ ) |
| 47 | nndivre | ⊢ ( ( 𝑥 ∈ ℝ ∧ 𝑛 ∈ ℕ ) → ( 𝑥 / 𝑛 ) ∈ ℝ ) | |
| 48 | 36 12 47 | syl2an | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( 𝑥 / 𝑛 ) ∈ ℝ ) |
| 49 | reflcl | ⊢ ( ( 𝑥 / 𝑛 ) ∈ ℝ → ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ∈ ℝ ) | |
| 50 | 48 49 | syl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ∈ ℝ ) |
| 51 | 15 50 | remulcld | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ∈ ℝ ) |
| 52 | 46 51 | resubcld | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ∈ ℝ ) |
| 53 | 48 50 | resubcld | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ∈ ℝ ) |
| 54 | 1red | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 1 ∈ ℝ ) | |
| 55 | vmage0 | ⊢ ( 𝑛 ∈ ℕ → 0 ≤ ( Λ ‘ 𝑛 ) ) | |
| 56 | 13 55 | syl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 0 ≤ ( Λ ‘ 𝑛 ) ) |
| 57 | fracle1 | ⊢ ( ( 𝑥 / 𝑛 ) ∈ ℝ → ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ≤ 1 ) | |
| 58 | 48 57 | syl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ≤ 1 ) |
| 59 | 53 54 15 56 58 | lemul2ad | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) · ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ≤ ( ( Λ ‘ 𝑛 ) · 1 ) ) |
| 60 | 15 | recnd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( Λ ‘ 𝑛 ) ∈ ℂ ) |
| 61 | 48 | recnd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( 𝑥 / 𝑛 ) ∈ ℂ ) |
| 62 | 50 | recnd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ∈ ℂ ) |
| 63 | 60 61 62 | subdid | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) · ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) = ( ( ( Λ ‘ 𝑛 ) · ( 𝑥 / 𝑛 ) ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 64 | rpcn | ⊢ ( 𝑥 ∈ ℝ+ → 𝑥 ∈ ℂ ) | |
| 65 | 64 | adantr | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 𝑥 ∈ ℂ ) |
| 66 | 13 | nnrpd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 𝑛 ∈ ℝ+ ) |
| 67 | rpcnne0 | ⊢ ( 𝑛 ∈ ℝ+ → ( 𝑛 ∈ ℂ ∧ 𝑛 ≠ 0 ) ) | |
| 68 | 66 67 | syl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( 𝑛 ∈ ℂ ∧ 𝑛 ≠ 0 ) ) |
| 69 | div23 | ⊢ ( ( ( Λ ‘ 𝑛 ) ∈ ℂ ∧ 𝑥 ∈ ℂ ∧ ( 𝑛 ∈ ℂ ∧ 𝑛 ≠ 0 ) ) → ( ( ( Λ ‘ 𝑛 ) · 𝑥 ) / 𝑛 ) = ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ) | |
| 70 | divass | ⊢ ( ( ( Λ ‘ 𝑛 ) ∈ ℂ ∧ 𝑥 ∈ ℂ ∧ ( 𝑛 ∈ ℂ ∧ 𝑛 ≠ 0 ) ) → ( ( ( Λ ‘ 𝑛 ) · 𝑥 ) / 𝑛 ) = ( ( Λ ‘ 𝑛 ) · ( 𝑥 / 𝑛 ) ) ) | |
| 71 | 69 70 | eqtr3d | ⊢ ( ( ( Λ ‘ 𝑛 ) ∈ ℂ ∧ 𝑥 ∈ ℂ ∧ ( 𝑛 ∈ ℂ ∧ 𝑛 ≠ 0 ) ) → ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) = ( ( Λ ‘ 𝑛 ) · ( 𝑥 / 𝑛 ) ) ) |
| 72 | 60 65 68 71 | syl3anc | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) = ( ( Λ ‘ 𝑛 ) · ( 𝑥 / 𝑛 ) ) ) |
| 73 | 72 | oveq1d | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) = ( ( ( Λ ‘ 𝑛 ) · ( 𝑥 / 𝑛 ) ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 74 | 63 73 | eqtr4d | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) · ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) = ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 75 | 60 | mulridd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) · 1 ) = ( Λ ‘ 𝑛 ) ) |
| 76 | 59 74 75 | 3brtr3d | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ≤ ( Λ ‘ 𝑛 ) ) |
| 77 | 11 52 15 76 | fsumle | ⊢ ( 𝑥 ∈ ℝ+ → Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ≤ Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( Λ ‘ 𝑛 ) ) |
| 78 | 16 | recnd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) / 𝑛 ) ∈ ℂ ) |
| 79 | 11 64 78 | fsummulc1 | ⊢ ( 𝑥 ∈ ℝ+ → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ) |
| 80 | logfac2 | ⊢ ( ( 𝑥 ∈ ℝ ∧ 0 ≤ 𝑥 ) → ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) | |
| 81 | 21 80 | syl | ⊢ ( 𝑥 ∈ ℝ+ → ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) |
| 82 | 79 81 | oveq12d | ⊢ ( 𝑥 ∈ ℝ+ → ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) = ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 83 | 46 | recnd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ∈ ℂ ) |
| 84 | 51 | recnd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ∈ ℂ ) |
| 85 | 11 83 84 | fsumsub | ⊢ ( 𝑥 ∈ ℝ+ → Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) = ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 86 | 82 85 | eqtr4d | ⊢ ( 𝑥 ∈ ℝ+ → ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 87 | chpval | ⊢ ( 𝑥 ∈ ℝ → ( ψ ‘ 𝑥 ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( Λ ‘ 𝑛 ) ) | |
| 88 | 36 87 | syl | ⊢ ( 𝑥 ∈ ℝ+ → ( ψ ‘ 𝑥 ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( Λ ‘ 𝑛 ) ) |
| 89 | 77 86 88 | 3brtr4d | ⊢ ( 𝑥 ∈ ℝ+ → ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ≤ ( ψ ‘ 𝑥 ) ) |
| 90 | 17 36 | remulcld | ⊢ ( 𝑥 ∈ ℝ+ → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ∈ ℝ ) |
| 91 | 90 26 | resubcld | ⊢ ( 𝑥 ∈ ℝ+ → ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ∈ ℝ ) |
| 92 | rpregt0 | ⊢ ( 𝑥 ∈ ℝ+ → ( 𝑥 ∈ ℝ ∧ 0 < 𝑥 ) ) | |
| 93 | lediv1 | ⊢ ( ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ∈ ℝ ∧ ( ψ ‘ 𝑥 ) ∈ ℝ ∧ ( 𝑥 ∈ ℝ ∧ 0 < 𝑥 ) ) → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ≤ ( ψ ‘ 𝑥 ) ↔ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ≤ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) ) | |
| 94 | 91 38 92 93 | syl3anc | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ≤ ( ψ ‘ 𝑥 ) ↔ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ≤ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) ) |
| 95 | 89 94 | mpbid | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ≤ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) |
| 96 | 90 | recnd | ⊢ ( 𝑥 ∈ ℝ+ → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ∈ ℂ ) |
| 97 | 26 | recnd | ⊢ ( 𝑥 ∈ ℝ+ → ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ∈ ℂ ) |
| 98 | rpcnne0 | ⊢ ( 𝑥 ∈ ℝ+ → ( 𝑥 ∈ ℂ ∧ 𝑥 ≠ 0 ) ) | |
| 99 | divsubdir | ⊢ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) ∈ ℂ ∧ ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ∈ ℂ ∧ ( 𝑥 ∈ ℂ ∧ 𝑥 ≠ 0 ) ) → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) = ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) / 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) | |
| 100 | 96 97 98 99 | syl3anc | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) = ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) / 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) |
| 101 | rpne0 | ⊢ ( 𝑥 ∈ ℝ+ → 𝑥 ≠ 0 ) | |
| 102 | 18 64 101 | divcan4d | ⊢ ( 𝑥 ∈ ℝ+ → ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) / 𝑥 ) = Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) ) |
| 103 | 102 | oveq1d | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) / 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) = ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) |
| 104 | 100 103 | eqtr2d | ⊢ ( 𝑥 ∈ ℝ+ → ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) = ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) |
| 105 | 104 | fveq2d | ⊢ ( 𝑥 ∈ ℝ+ → ( abs ‘ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) = ( abs ‘ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) ) |
| 106 | rerpdivcl | ⊢ ( ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ∈ ℝ ∧ 𝑥 ∈ ℝ+ ) → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ∈ ℝ ) | |
| 107 | 91 106 | mpancom | ⊢ ( 𝑥 ∈ ℝ+ → ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ∈ ℝ ) |
| 108 | flle | ⊢ ( ( 𝑥 / 𝑛 ) ∈ ℝ → ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ≤ ( 𝑥 / 𝑛 ) ) | |
| 109 | 48 108 | syl | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ≤ ( 𝑥 / 𝑛 ) ) |
| 110 | 48 50 | subge0d | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → ( 0 ≤ ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ↔ ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ≤ ( 𝑥 / 𝑛 ) ) ) |
| 111 | 109 110 | mpbird | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 0 ≤ ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) |
| 112 | 15 53 56 111 | mulge0d | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 0 ≤ ( ( Λ ‘ 𝑛 ) · ( ( 𝑥 / 𝑛 ) − ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 113 | 112 74 | breqtrd | ⊢ ( ( 𝑥 ∈ ℝ+ ∧ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ) → 0 ≤ ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 114 | 11 52 113 | fsumge0 | ⊢ ( 𝑥 ∈ ℝ+ → 0 ≤ Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( ( Λ ‘ 𝑛 ) · ( ⌊ ‘ ( 𝑥 / 𝑛 ) ) ) ) ) |
| 115 | 114 86 | breqtrrd | ⊢ ( 𝑥 ∈ ℝ+ → 0 ≤ ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ) |
| 116 | divge0 | ⊢ ( ( ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ∈ ℝ ∧ 0 ≤ ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) ) ∧ ( 𝑥 ∈ ℝ ∧ 0 < 𝑥 ) ) → 0 ≤ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) | |
| 117 | 91 115 92 116 | syl21anc | ⊢ ( 𝑥 ∈ ℝ+ → 0 ≤ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) |
| 118 | 107 117 | absidd | ⊢ ( 𝑥 ∈ ℝ+ → ( abs ‘ ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) = ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) |
| 119 | 105 118 | eqtrd | ⊢ ( 𝑥 ∈ ℝ+ → ( abs ‘ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) = ( ( ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) · 𝑥 ) − ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) ) / 𝑥 ) ) |
| 120 | chpge0 | ⊢ ( 𝑥 ∈ ℝ → 0 ≤ ( ψ ‘ 𝑥 ) ) | |
| 121 | 36 120 | syl | ⊢ ( 𝑥 ∈ ℝ+ → 0 ≤ ( ψ ‘ 𝑥 ) ) |
| 122 | divge0 | ⊢ ( ( ( ( ψ ‘ 𝑥 ) ∈ ℝ ∧ 0 ≤ ( ψ ‘ 𝑥 ) ) ∧ ( 𝑥 ∈ ℝ ∧ 0 < 𝑥 ) ) → 0 ≤ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) | |
| 123 | 38 121 92 122 | syl21anc | ⊢ ( 𝑥 ∈ ℝ+ → 0 ≤ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) |
| 124 | 40 123 | absidd | ⊢ ( 𝑥 ∈ ℝ+ → ( abs ‘ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) = ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) |
| 125 | 95 119 124 | 3brtr4d | ⊢ ( 𝑥 ∈ ℝ+ → ( abs ‘ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ≤ ( abs ‘ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) ) |
| 126 | 125 | ad2antrl | ⊢ ( ( ⊤ ∧ ( 𝑥 ∈ ℝ+ ∧ 1 ≤ 𝑥 ) ) → ( abs ‘ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ≤ ( abs ‘ ( ( ψ ‘ 𝑥 ) / 𝑥 ) ) ) |
| 127 | 33 35 42 44 126 | o1le | ⊢ ( ⊤ → ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∈ 𝑂(1) ) |
| 128 | 127 | mptru | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∈ 𝑂(1) |
| 129 | logfacrlim | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ⇝𝑟 1 | |
| 130 | rlimo1 | ⊢ ( ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ⇝𝑟 1 → ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∈ 𝑂(1) ) | |
| 131 | 129 130 | ax-mp | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∈ 𝑂(1) |
| 132 | o1sub | ⊢ ( ( ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∈ 𝑂(1) ∧ ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∈ 𝑂(1) ) → ( ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∘f − ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) ∈ 𝑂(1) ) | |
| 133 | 128 131 132 | mp2an | ⊢ ( ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ∘f − ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) − ( ( log ‘ ( ! ‘ ( ⌊ ‘ 𝑥 ) ) ) / 𝑥 ) ) ) ) ∈ 𝑂(1) |
| 134 | 32 133 | eqeltrri | ⊢ ( 𝑥 ∈ ℝ+ ↦ ( Σ 𝑛 ∈ ( 1 ... ( ⌊ ‘ 𝑥 ) ) ( ( Λ ‘ 𝑛 ) / 𝑛 ) − ( log ‘ 𝑥 ) ) ) ∈ 𝑂(1) |