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Description: Lemma for bpos . The function F is decreasing. (Contributed by Mario Carneiro, 13-Mar-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | bposlem7.1 | ⊢ 𝐹 = ( 𝑛 ∈ ℕ ↦ ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝑛 ) ) ) ) ) | |
| bposlem7.2 | ⊢ 𝐺 = ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) / 𝑥 ) ) | ||
| bposlem7.3 | ⊢ ( 𝜑 → 𝐴 ∈ ℕ ) | ||
| bposlem7.4 | ⊢ ( 𝜑 → 𝐵 ∈ ℕ ) | ||
| bposlem7.5 | ⊢ ( 𝜑 → ( e ↑ 2 ) ≤ 𝐴 ) | ||
| bposlem7.6 | ⊢ ( 𝜑 → ( e ↑ 2 ) ≤ 𝐵 ) | ||
| Assertion | bposlem7 | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( 𝐹 ‘ 𝐵 ) < ( 𝐹 ‘ 𝐴 ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bposlem7.1 | ⊢ 𝐹 = ( 𝑛 ∈ ℕ ↦ ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝑛 ) ) ) ) ) | |
| 2 | bposlem7.2 | ⊢ 𝐺 = ( 𝑥 ∈ ℝ+ ↦ ( ( log ‘ 𝑥 ) / 𝑥 ) ) | |
| 3 | bposlem7.3 | ⊢ ( 𝜑 → 𝐴 ∈ ℕ ) | |
| 4 | bposlem7.4 | ⊢ ( 𝜑 → 𝐵 ∈ ℕ ) | |
| 5 | bposlem7.5 | ⊢ ( 𝜑 → ( e ↑ 2 ) ≤ 𝐴 ) | |
| 6 | bposlem7.6 | ⊢ ( 𝜑 → ( e ↑ 2 ) ≤ 𝐵 ) | |
| 7 | 4 | nnrpd | ⊢ ( 𝜑 → 𝐵 ∈ ℝ+ ) |
| 8 | 7 | rpsqrtcld | ⊢ ( 𝜑 → ( √ ‘ 𝐵 ) ∈ ℝ+ ) |
| 9 | fveq2 | ⊢ ( 𝑥 = ( √ ‘ 𝐵 ) → ( log ‘ 𝑥 ) = ( log ‘ ( √ ‘ 𝐵 ) ) ) | |
| 10 | id | ⊢ ( 𝑥 = ( √ ‘ 𝐵 ) → 𝑥 = ( √ ‘ 𝐵 ) ) | |
| 11 | 9 10 | oveq12d | ⊢ ( 𝑥 = ( √ ‘ 𝐵 ) → ( ( log ‘ 𝑥 ) / 𝑥 ) = ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) ) |
| 12 | ovex | ⊢ ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) ∈ V | |
| 13 | 11 2 12 | fvmpt | ⊢ ( ( √ ‘ 𝐵 ) ∈ ℝ+ → ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) = ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) ) |
| 14 | 8 13 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) = ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) ) |
| 15 | 3 | nnrpd | ⊢ ( 𝜑 → 𝐴 ∈ ℝ+ ) |
| 16 | 15 | rpsqrtcld | ⊢ ( 𝜑 → ( √ ‘ 𝐴 ) ∈ ℝ+ ) |
| 17 | fveq2 | ⊢ ( 𝑥 = ( √ ‘ 𝐴 ) → ( log ‘ 𝑥 ) = ( log ‘ ( √ ‘ 𝐴 ) ) ) | |
| 18 | id | ⊢ ( 𝑥 = ( √ ‘ 𝐴 ) → 𝑥 = ( √ ‘ 𝐴 ) ) | |
| 19 | 17 18 | oveq12d | ⊢ ( 𝑥 = ( √ ‘ 𝐴 ) → ( ( log ‘ 𝑥 ) / 𝑥 ) = ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ) |
| 20 | ovex | ⊢ ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ∈ V | |
| 21 | 19 2 20 | fvmpt | ⊢ ( ( √ ‘ 𝐴 ) ∈ ℝ+ → ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) = ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ) |
| 22 | 16 21 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) = ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ) |
| 23 | 14 22 | breq12d | ⊢ ( 𝜑 → ( ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) < ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ↔ ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) < ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ) ) |
| 24 | 16 | rpred | ⊢ ( 𝜑 → ( √ ‘ 𝐴 ) ∈ ℝ ) |
| 25 | 15 | rprege0d | ⊢ ( 𝜑 → ( 𝐴 ∈ ℝ ∧ 0 ≤ 𝐴 ) ) |
| 26 | resqrtth | ⊢ ( ( 𝐴 ∈ ℝ ∧ 0 ≤ 𝐴 ) → ( ( √ ‘ 𝐴 ) ↑ 2 ) = 𝐴 ) | |
| 27 | 25 26 | syl | ⊢ ( 𝜑 → ( ( √ ‘ 𝐴 ) ↑ 2 ) = 𝐴 ) |
| 28 | 5 27 | breqtrrd | ⊢ ( 𝜑 → ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐴 ) ↑ 2 ) ) |
| 29 | 16 | rpge0d | ⊢ ( 𝜑 → 0 ≤ ( √ ‘ 𝐴 ) ) |
| 30 | ere | ⊢ e ∈ ℝ | |
| 31 | 0re | ⊢ 0 ∈ ℝ | |
| 32 | epos | ⊢ 0 < e | |
| 33 | 31 30 32 | ltleii | ⊢ 0 ≤ e |
| 34 | le2sq | ⊢ ( ( ( e ∈ ℝ ∧ 0 ≤ e ) ∧ ( ( √ ‘ 𝐴 ) ∈ ℝ ∧ 0 ≤ ( √ ‘ 𝐴 ) ) ) → ( e ≤ ( √ ‘ 𝐴 ) ↔ ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐴 ) ↑ 2 ) ) ) | |
| 35 | 30 33 34 | mpanl12 | ⊢ ( ( ( √ ‘ 𝐴 ) ∈ ℝ ∧ 0 ≤ ( √ ‘ 𝐴 ) ) → ( e ≤ ( √ ‘ 𝐴 ) ↔ ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐴 ) ↑ 2 ) ) ) |
| 36 | 24 29 35 | syl2anc | ⊢ ( 𝜑 → ( e ≤ ( √ ‘ 𝐴 ) ↔ ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐴 ) ↑ 2 ) ) ) |
| 37 | 28 36 | mpbird | ⊢ ( 𝜑 → e ≤ ( √ ‘ 𝐴 ) ) |
| 38 | 8 | rpred | ⊢ ( 𝜑 → ( √ ‘ 𝐵 ) ∈ ℝ ) |
| 39 | 7 | rprege0d | ⊢ ( 𝜑 → ( 𝐵 ∈ ℝ ∧ 0 ≤ 𝐵 ) ) |
| 40 | resqrtth | ⊢ ( ( 𝐵 ∈ ℝ ∧ 0 ≤ 𝐵 ) → ( ( √ ‘ 𝐵 ) ↑ 2 ) = 𝐵 ) | |
| 41 | 39 40 | syl | ⊢ ( 𝜑 → ( ( √ ‘ 𝐵 ) ↑ 2 ) = 𝐵 ) |
| 42 | 6 41 | breqtrrd | ⊢ ( 𝜑 → ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐵 ) ↑ 2 ) ) |
| 43 | 8 | rpge0d | ⊢ ( 𝜑 → 0 ≤ ( √ ‘ 𝐵 ) ) |
| 44 | le2sq | ⊢ ( ( ( e ∈ ℝ ∧ 0 ≤ e ) ∧ ( ( √ ‘ 𝐵 ) ∈ ℝ ∧ 0 ≤ ( √ ‘ 𝐵 ) ) ) → ( e ≤ ( √ ‘ 𝐵 ) ↔ ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐵 ) ↑ 2 ) ) ) | |
| 45 | 30 33 44 | mpanl12 | ⊢ ( ( ( √ ‘ 𝐵 ) ∈ ℝ ∧ 0 ≤ ( √ ‘ 𝐵 ) ) → ( e ≤ ( √ ‘ 𝐵 ) ↔ ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐵 ) ↑ 2 ) ) ) |
| 46 | 38 43 45 | syl2anc | ⊢ ( 𝜑 → ( e ≤ ( √ ‘ 𝐵 ) ↔ ( e ↑ 2 ) ≤ ( ( √ ‘ 𝐵 ) ↑ 2 ) ) ) |
| 47 | 42 46 | mpbird | ⊢ ( 𝜑 → e ≤ ( √ ‘ 𝐵 ) ) |
| 48 | logdivlt | ⊢ ( ( ( ( √ ‘ 𝐴 ) ∈ ℝ ∧ e ≤ ( √ ‘ 𝐴 ) ) ∧ ( ( √ ‘ 𝐵 ) ∈ ℝ ∧ e ≤ ( √ ‘ 𝐵 ) ) ) → ( ( √ ‘ 𝐴 ) < ( √ ‘ 𝐵 ) ↔ ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) < ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ) ) | |
| 49 | 24 37 38 47 48 | syl22anc | ⊢ ( 𝜑 → ( ( √ ‘ 𝐴 ) < ( √ ‘ 𝐵 ) ↔ ( ( log ‘ ( √ ‘ 𝐵 ) ) / ( √ ‘ 𝐵 ) ) < ( ( log ‘ ( √ ‘ 𝐴 ) ) / ( √ ‘ 𝐴 ) ) ) ) |
| 50 | 24 38 29 43 | lt2sqd | ⊢ ( 𝜑 → ( ( √ ‘ 𝐴 ) < ( √ ‘ 𝐵 ) ↔ ( ( √ ‘ 𝐴 ) ↑ 2 ) < ( ( √ ‘ 𝐵 ) ↑ 2 ) ) ) |
| 51 | 23 49 50 | 3bitr2rd | ⊢ ( 𝜑 → ( ( ( √ ‘ 𝐴 ) ↑ 2 ) < ( ( √ ‘ 𝐵 ) ↑ 2 ) ↔ ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) < ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ) |
| 52 | 27 41 | breq12d | ⊢ ( 𝜑 → ( ( ( √ ‘ 𝐴 ) ↑ 2 ) < ( ( √ ‘ 𝐵 ) ↑ 2 ) ↔ 𝐴 < 𝐵 ) ) |
| 53 | relogcl | ⊢ ( 𝑥 ∈ ℝ+ → ( log ‘ 𝑥 ) ∈ ℝ ) | |
| 54 | rerpdivcl | ⊢ ( ( ( log ‘ 𝑥 ) ∈ ℝ ∧ 𝑥 ∈ ℝ+ ) → ( ( log ‘ 𝑥 ) / 𝑥 ) ∈ ℝ ) | |
| 55 | 53 54 | mpancom | ⊢ ( 𝑥 ∈ ℝ+ → ( ( log ‘ 𝑥 ) / 𝑥 ) ∈ ℝ ) |
| 56 | 2 55 | fmpti | ⊢ 𝐺 : ℝ+ ⟶ ℝ |
| 57 | 56 | ffvelcdmi | ⊢ ( ( √ ‘ 𝐵 ) ∈ ℝ+ → ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ∈ ℝ ) |
| 58 | 8 57 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ∈ ℝ ) |
| 59 | 56 | ffvelcdmi | ⊢ ( ( √ ‘ 𝐴 ) ∈ ℝ+ → ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ∈ ℝ ) |
| 60 | 16 59 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ∈ ℝ ) |
| 61 | 2rp | ⊢ 2 ∈ ℝ+ | |
| 62 | rpsqrtcl | ⊢ ( 2 ∈ ℝ+ → ( √ ‘ 2 ) ∈ ℝ+ ) | |
| 63 | 61 62 | mp1i | ⊢ ( 𝜑 → ( √ ‘ 2 ) ∈ ℝ+ ) |
| 64 | 58 60 63 | ltmul2d | ⊢ ( 𝜑 → ( ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) < ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ↔ ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) < ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ) ) |
| 65 | 51 52 64 | 3bitr3d | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) < ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ) ) |
| 66 | 65 | biimpd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) < ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ) ) |
| 67 | 3 | nnred | ⊢ ( 𝜑 → 𝐴 ∈ ℝ ) |
| 68 | 4 | nnred | ⊢ ( 𝜑 → 𝐵 ∈ ℝ ) |
| 69 | 2re | ⊢ 2 ∈ ℝ | |
| 70 | 2pos | ⊢ 0 < 2 | |
| 71 | 69 70 | pm3.2i | ⊢ ( 2 ∈ ℝ ∧ 0 < 2 ) |
| 72 | 71 | a1i | ⊢ ( 𝜑 → ( 2 ∈ ℝ ∧ 0 < 2 ) ) |
| 73 | ltdiv1 | ⊢ ( ( 𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ ( 2 ∈ ℝ ∧ 0 < 2 ) ) → ( 𝐴 < 𝐵 ↔ ( 𝐴 / 2 ) < ( 𝐵 / 2 ) ) ) | |
| 74 | 67 68 72 73 | syl3anc | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ ( 𝐴 / 2 ) < ( 𝐵 / 2 ) ) ) |
| 75 | 15 | rphalfcld | ⊢ ( 𝜑 → ( 𝐴 / 2 ) ∈ ℝ+ ) |
| 76 | 75 | rpred | ⊢ ( 𝜑 → ( 𝐴 / 2 ) ∈ ℝ ) |
| 77 | 30 69 | remulcli | ⊢ ( e · 2 ) ∈ ℝ |
| 78 | 77 | a1i | ⊢ ( 𝜑 → ( e · 2 ) ∈ ℝ ) |
| 79 | 30 | resqcli | ⊢ ( e ↑ 2 ) ∈ ℝ |
| 80 | 79 | a1i | ⊢ ( 𝜑 → ( e ↑ 2 ) ∈ ℝ ) |
| 81 | egt2lt3 | ⊢ ( 2 < e ∧ e < 3 ) | |
| 82 | 81 | simpli | ⊢ 2 < e |
| 83 | 69 30 82 | ltleii | ⊢ 2 ≤ e |
| 84 | 69 30 30 | lemul2i | ⊢ ( 0 < e → ( 2 ≤ e ↔ ( e · 2 ) ≤ ( e · e ) ) ) |
| 85 | 32 84 | ax-mp | ⊢ ( 2 ≤ e ↔ ( e · 2 ) ≤ ( e · e ) ) |
| 86 | 83 85 | mpbi | ⊢ ( e · 2 ) ≤ ( e · e ) |
| 87 | 30 | recni | ⊢ e ∈ ℂ |
| 88 | 87 | sqvali | ⊢ ( e ↑ 2 ) = ( e · e ) |
| 89 | 86 88 | breqtrri | ⊢ ( e · 2 ) ≤ ( e ↑ 2 ) |
| 90 | 89 | a1i | ⊢ ( 𝜑 → ( e · 2 ) ≤ ( e ↑ 2 ) ) |
| 91 | 78 80 67 90 5 | letrd | ⊢ ( 𝜑 → ( e · 2 ) ≤ 𝐴 ) |
| 92 | lemuldiv | ⊢ ( ( e ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ ( 2 ∈ ℝ ∧ 0 < 2 ) ) → ( ( e · 2 ) ≤ 𝐴 ↔ e ≤ ( 𝐴 / 2 ) ) ) | |
| 93 | 30 71 92 | mp3an13 | ⊢ ( 𝐴 ∈ ℝ → ( ( e · 2 ) ≤ 𝐴 ↔ e ≤ ( 𝐴 / 2 ) ) ) |
| 94 | 67 93 | syl | ⊢ ( 𝜑 → ( ( e · 2 ) ≤ 𝐴 ↔ e ≤ ( 𝐴 / 2 ) ) ) |
| 95 | 91 94 | mpbid | ⊢ ( 𝜑 → e ≤ ( 𝐴 / 2 ) ) |
| 96 | 7 | rphalfcld | ⊢ ( 𝜑 → ( 𝐵 / 2 ) ∈ ℝ+ ) |
| 97 | 96 | rpred | ⊢ ( 𝜑 → ( 𝐵 / 2 ) ∈ ℝ ) |
| 98 | 78 80 68 90 6 | letrd | ⊢ ( 𝜑 → ( e · 2 ) ≤ 𝐵 ) |
| 99 | lemuldiv | ⊢ ( ( e ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ ( 2 ∈ ℝ ∧ 0 < 2 ) ) → ( ( e · 2 ) ≤ 𝐵 ↔ e ≤ ( 𝐵 / 2 ) ) ) | |
| 100 | 30 71 99 | mp3an13 | ⊢ ( 𝐵 ∈ ℝ → ( ( e · 2 ) ≤ 𝐵 ↔ e ≤ ( 𝐵 / 2 ) ) ) |
| 101 | 68 100 | syl | ⊢ ( 𝜑 → ( ( e · 2 ) ≤ 𝐵 ↔ e ≤ ( 𝐵 / 2 ) ) ) |
| 102 | 98 101 | mpbid | ⊢ ( 𝜑 → e ≤ ( 𝐵 / 2 ) ) |
| 103 | logdivlt | ⊢ ( ( ( ( 𝐴 / 2 ) ∈ ℝ ∧ e ≤ ( 𝐴 / 2 ) ) ∧ ( ( 𝐵 / 2 ) ∈ ℝ ∧ e ≤ ( 𝐵 / 2 ) ) ) → ( ( 𝐴 / 2 ) < ( 𝐵 / 2 ) ↔ ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) < ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) ) | |
| 104 | 76 95 97 102 103 | syl22anc | ⊢ ( 𝜑 → ( ( 𝐴 / 2 ) < ( 𝐵 / 2 ) ↔ ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) < ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) ) |
| 105 | 74 104 | bitrd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) < ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) ) |
| 106 | fveq2 | ⊢ ( 𝑥 = ( 𝐵 / 2 ) → ( log ‘ 𝑥 ) = ( log ‘ ( 𝐵 / 2 ) ) ) | |
| 107 | id | ⊢ ( 𝑥 = ( 𝐵 / 2 ) → 𝑥 = ( 𝐵 / 2 ) ) | |
| 108 | 106 107 | oveq12d | ⊢ ( 𝑥 = ( 𝐵 / 2 ) → ( ( log ‘ 𝑥 ) / 𝑥 ) = ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) ) |
| 109 | ovex | ⊢ ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) ∈ V | |
| 110 | 108 2 109 | fvmpt | ⊢ ( ( 𝐵 / 2 ) ∈ ℝ+ → ( 𝐺 ‘ ( 𝐵 / 2 ) ) = ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) ) |
| 111 | 96 110 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( 𝐵 / 2 ) ) = ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) ) |
| 112 | fveq2 | ⊢ ( 𝑥 = ( 𝐴 / 2 ) → ( log ‘ 𝑥 ) = ( log ‘ ( 𝐴 / 2 ) ) ) | |
| 113 | id | ⊢ ( 𝑥 = ( 𝐴 / 2 ) → 𝑥 = ( 𝐴 / 2 ) ) | |
| 114 | 112 113 | oveq12d | ⊢ ( 𝑥 = ( 𝐴 / 2 ) → ( ( log ‘ 𝑥 ) / 𝑥 ) = ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) |
| 115 | ovex | ⊢ ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ∈ V | |
| 116 | 114 2 115 | fvmpt | ⊢ ( ( 𝐴 / 2 ) ∈ ℝ+ → ( 𝐺 ‘ ( 𝐴 / 2 ) ) = ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) |
| 117 | 75 116 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( 𝐴 / 2 ) ) = ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) |
| 118 | 111 117 | breq12d | ⊢ ( 𝜑 → ( ( 𝐺 ‘ ( 𝐵 / 2 ) ) < ( 𝐺 ‘ ( 𝐴 / 2 ) ) ↔ ( ( log ‘ ( 𝐵 / 2 ) ) / ( 𝐵 / 2 ) ) < ( ( log ‘ ( 𝐴 / 2 ) ) / ( 𝐴 / 2 ) ) ) ) |
| 119 | 56 | ffvelcdmi | ⊢ ( ( 𝐵 / 2 ) ∈ ℝ+ → ( 𝐺 ‘ ( 𝐵 / 2 ) ) ∈ ℝ ) |
| 120 | 96 119 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( 𝐵 / 2 ) ) ∈ ℝ ) |
| 121 | 56 | ffvelcdmi | ⊢ ( ( 𝐴 / 2 ) ∈ ℝ+ → ( 𝐺 ‘ ( 𝐴 / 2 ) ) ∈ ℝ ) |
| 122 | 75 121 | syl | ⊢ ( 𝜑 → ( 𝐺 ‘ ( 𝐴 / 2 ) ) ∈ ℝ ) |
| 123 | 9nn | ⊢ 9 ∈ ℕ | |
| 124 | 4nn | ⊢ 4 ∈ ℕ | |
| 125 | nnrp | ⊢ ( 9 ∈ ℕ → 9 ∈ ℝ+ ) | |
| 126 | nnrp | ⊢ ( 4 ∈ ℕ → 4 ∈ ℝ+ ) | |
| 127 | rpdivcl | ⊢ ( ( 9 ∈ ℝ+ ∧ 4 ∈ ℝ+ ) → ( 9 / 4 ) ∈ ℝ+ ) | |
| 128 | 125 126 127 | syl2an | ⊢ ( ( 9 ∈ ℕ ∧ 4 ∈ ℕ ) → ( 9 / 4 ) ∈ ℝ+ ) |
| 129 | 123 124 128 | mp2an | ⊢ ( 9 / 4 ) ∈ ℝ+ |
| 130 | 129 | a1i | ⊢ ( 𝜑 → ( 9 / 4 ) ∈ ℝ+ ) |
| 131 | 120 122 130 | ltmul2d | ⊢ ( 𝜑 → ( ( 𝐺 ‘ ( 𝐵 / 2 ) ) < ( 𝐺 ‘ ( 𝐴 / 2 ) ) ↔ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) < ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) |
| 132 | 105 118 131 | 3bitr2d | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) < ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) |
| 133 | 132 | biimpd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) < ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) |
| 134 | 66 133 | jcad | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) < ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ∧ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) < ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) ) |
| 135 | sqrt2re | ⊢ ( √ ‘ 2 ) ∈ ℝ | |
| 136 | remulcl | ⊢ ( ( ( √ ‘ 2 ) ∈ ℝ ∧ ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ∈ ℝ ) → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) ∈ ℝ ) | |
| 137 | 135 58 136 | sylancr | ⊢ ( 𝜑 → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) ∈ ℝ ) |
| 138 | 9re | ⊢ 9 ∈ ℝ | |
| 139 | 4re | ⊢ 4 ∈ ℝ | |
| 140 | 4ne0 | ⊢ 4 ≠ 0 | |
| 141 | 138 139 140 | redivcli | ⊢ ( 9 / 4 ) ∈ ℝ |
| 142 | remulcl | ⊢ ( ( ( 9 / 4 ) ∈ ℝ ∧ ( 𝐺 ‘ ( 𝐵 / 2 ) ) ∈ ℝ ) → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ∈ ℝ ) | |
| 143 | 141 120 142 | sylancr | ⊢ ( 𝜑 → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ∈ ℝ ) |
| 144 | remulcl | ⊢ ( ( ( √ ‘ 2 ) ∈ ℝ ∧ ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ∈ ℝ ) → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ∈ ℝ ) | |
| 145 | 135 60 144 | sylancr | ⊢ ( 𝜑 → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ∈ ℝ ) |
| 146 | remulcl | ⊢ ( ( ( 9 / 4 ) ∈ ℝ ∧ ( 𝐺 ‘ ( 𝐴 / 2 ) ) ∈ ℝ ) → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ∈ ℝ ) | |
| 147 | 141 122 146 | sylancr | ⊢ ( 𝜑 → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ∈ ℝ ) |
| 148 | lt2add | ⊢ ( ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) ∈ ℝ ∧ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ∈ ℝ ) ∧ ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ∈ ℝ ∧ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ∈ ℝ ) ) → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) < ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ∧ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) < ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) < ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) ) | |
| 149 | 137 143 145 147 148 | syl22anc | ⊢ ( 𝜑 → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) < ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ∧ ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) < ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) < ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) ) |
| 150 | 134 149 | syld | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) < ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) ) |
| 151 | ltmul2 | ⊢ ( ( 𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ ( 2 ∈ ℝ ∧ 0 < 2 ) ) → ( 𝐴 < 𝐵 ↔ ( 2 · 𝐴 ) < ( 2 · 𝐵 ) ) ) | |
| 152 | 67 68 72 151 | syl3anc | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ ( 2 · 𝐴 ) < ( 2 · 𝐵 ) ) ) |
| 153 | rpmulcl | ⊢ ( ( 2 ∈ ℝ+ ∧ 𝐴 ∈ ℝ+ ) → ( 2 · 𝐴 ) ∈ ℝ+ ) | |
| 154 | 61 15 153 | sylancr | ⊢ ( 𝜑 → ( 2 · 𝐴 ) ∈ ℝ+ ) |
| 155 | 154 | rpsqrtcld | ⊢ ( 𝜑 → ( √ ‘ ( 2 · 𝐴 ) ) ∈ ℝ+ ) |
| 156 | rpmulcl | ⊢ ( ( 2 ∈ ℝ+ ∧ 𝐵 ∈ ℝ+ ) → ( 2 · 𝐵 ) ∈ ℝ+ ) | |
| 157 | 61 7 156 | sylancr | ⊢ ( 𝜑 → ( 2 · 𝐵 ) ∈ ℝ+ ) |
| 158 | 157 | rpsqrtcld | ⊢ ( 𝜑 → ( √ ‘ ( 2 · 𝐵 ) ) ∈ ℝ+ ) |
| 159 | rprege0 | ⊢ ( ( √ ‘ ( 2 · 𝐴 ) ) ∈ ℝ+ → ( ( √ ‘ ( 2 · 𝐴 ) ) ∈ ℝ ∧ 0 ≤ ( √ ‘ ( 2 · 𝐴 ) ) ) ) | |
| 160 | rprege0 | ⊢ ( ( √ ‘ ( 2 · 𝐵 ) ) ∈ ℝ+ → ( ( √ ‘ ( 2 · 𝐵 ) ) ∈ ℝ ∧ 0 ≤ ( √ ‘ ( 2 · 𝐵 ) ) ) ) | |
| 161 | lt2sq | ⊢ ( ( ( ( √ ‘ ( 2 · 𝐴 ) ) ∈ ℝ ∧ 0 ≤ ( √ ‘ ( 2 · 𝐴 ) ) ) ∧ ( ( √ ‘ ( 2 · 𝐵 ) ) ∈ ℝ ∧ 0 ≤ ( √ ‘ ( 2 · 𝐵 ) ) ) ) → ( ( √ ‘ ( 2 · 𝐴 ) ) < ( √ ‘ ( 2 · 𝐵 ) ) ↔ ( ( √ ‘ ( 2 · 𝐴 ) ) ↑ 2 ) < ( ( √ ‘ ( 2 · 𝐵 ) ) ↑ 2 ) ) ) | |
| 162 | 159 160 161 | syl2an | ⊢ ( ( ( √ ‘ ( 2 · 𝐴 ) ) ∈ ℝ+ ∧ ( √ ‘ ( 2 · 𝐵 ) ) ∈ ℝ+ ) → ( ( √ ‘ ( 2 · 𝐴 ) ) < ( √ ‘ ( 2 · 𝐵 ) ) ↔ ( ( √ ‘ ( 2 · 𝐴 ) ) ↑ 2 ) < ( ( √ ‘ ( 2 · 𝐵 ) ) ↑ 2 ) ) ) |
| 163 | 155 158 162 | syl2anc | ⊢ ( 𝜑 → ( ( √ ‘ ( 2 · 𝐴 ) ) < ( √ ‘ ( 2 · 𝐵 ) ) ↔ ( ( √ ‘ ( 2 · 𝐴 ) ) ↑ 2 ) < ( ( √ ‘ ( 2 · 𝐵 ) ) ↑ 2 ) ) ) |
| 164 | 154 | rprege0d | ⊢ ( 𝜑 → ( ( 2 · 𝐴 ) ∈ ℝ ∧ 0 ≤ ( 2 · 𝐴 ) ) ) |
| 165 | resqrtth | ⊢ ( ( ( 2 · 𝐴 ) ∈ ℝ ∧ 0 ≤ ( 2 · 𝐴 ) ) → ( ( √ ‘ ( 2 · 𝐴 ) ) ↑ 2 ) = ( 2 · 𝐴 ) ) | |
| 166 | 164 165 | syl | ⊢ ( 𝜑 → ( ( √ ‘ ( 2 · 𝐴 ) ) ↑ 2 ) = ( 2 · 𝐴 ) ) |
| 167 | 157 | rprege0d | ⊢ ( 𝜑 → ( ( 2 · 𝐵 ) ∈ ℝ ∧ 0 ≤ ( 2 · 𝐵 ) ) ) |
| 168 | resqrtth | ⊢ ( ( ( 2 · 𝐵 ) ∈ ℝ ∧ 0 ≤ ( 2 · 𝐵 ) ) → ( ( √ ‘ ( 2 · 𝐵 ) ) ↑ 2 ) = ( 2 · 𝐵 ) ) | |
| 169 | 167 168 | syl | ⊢ ( 𝜑 → ( ( √ ‘ ( 2 · 𝐵 ) ) ↑ 2 ) = ( 2 · 𝐵 ) ) |
| 170 | 166 169 | breq12d | ⊢ ( 𝜑 → ( ( ( √ ‘ ( 2 · 𝐴 ) ) ↑ 2 ) < ( ( √ ‘ ( 2 · 𝐵 ) ) ↑ 2 ) ↔ ( 2 · 𝐴 ) < ( 2 · 𝐵 ) ) ) |
| 171 | 163 170 | bitr2d | ⊢ ( 𝜑 → ( ( 2 · 𝐴 ) < ( 2 · 𝐵 ) ↔ ( √ ‘ ( 2 · 𝐴 ) ) < ( √ ‘ ( 2 · 𝐵 ) ) ) ) |
| 172 | 1lt2 | ⊢ 1 < 2 | |
| 173 | rplogcl | ⊢ ( ( 2 ∈ ℝ ∧ 1 < 2 ) → ( log ‘ 2 ) ∈ ℝ+ ) | |
| 174 | 69 172 173 | mp2an | ⊢ ( log ‘ 2 ) ∈ ℝ+ |
| 175 | 174 | a1i | ⊢ ( 𝜑 → ( log ‘ 2 ) ∈ ℝ+ ) |
| 176 | 155 158 175 | ltdiv2d | ⊢ ( 𝜑 → ( ( √ ‘ ( 2 · 𝐴 ) ) < ( √ ‘ ( 2 · 𝐵 ) ) ↔ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) < ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) |
| 177 | 152 171 176 | 3bitrd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) < ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) |
| 178 | 177 | biimpd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) < ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) |
| 179 | 150 178 | jcad | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) < ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ∧ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) < ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) ) |
| 180 | 137 143 | readdcld | ⊢ ( 𝜑 → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) ∈ ℝ ) |
| 181 | rpre | ⊢ ( ( log ‘ 2 ) ∈ ℝ+ → ( log ‘ 2 ) ∈ ℝ ) | |
| 182 | 174 181 | ax-mp | ⊢ ( log ‘ 2 ) ∈ ℝ |
| 183 | rerpdivcl | ⊢ ( ( ( log ‘ 2 ) ∈ ℝ ∧ ( √ ‘ ( 2 · 𝐵 ) ) ∈ ℝ+ ) → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ∈ ℝ ) | |
| 184 | 182 158 183 | sylancr | ⊢ ( 𝜑 → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ∈ ℝ ) |
| 185 | 145 147 | readdcld | ⊢ ( 𝜑 → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ∈ ℝ ) |
| 186 | rerpdivcl | ⊢ ( ( ( log ‘ 2 ) ∈ ℝ ∧ ( √ ‘ ( 2 · 𝐴 ) ) ∈ ℝ+ ) → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ∈ ℝ ) | |
| 187 | 182 155 186 | sylancr | ⊢ ( 𝜑 → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ∈ ℝ ) |
| 188 | lt2add | ⊢ ( ( ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) ∈ ℝ ∧ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ∈ ℝ ) ∧ ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ∈ ℝ ∧ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ∈ ℝ ) ) → ( ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) < ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ∧ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) < ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) < ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) ) | |
| 189 | 180 184 185 187 188 | syl22anc | ⊢ ( 𝜑 → ( ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) < ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ∧ ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) < ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) < ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) ) |
| 190 | 179 189 | syld | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) < ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) ) |
| 191 | 2fveq3 | ⊢ ( 𝑛 = 𝐵 → ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) = ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) | |
| 192 | 191 | oveq2d | ⊢ ( 𝑛 = 𝐵 → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) = ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) ) |
| 193 | fvoveq1 | ⊢ ( 𝑛 = 𝐵 → ( 𝐺 ‘ ( 𝑛 / 2 ) ) = ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) | |
| 194 | 193 | oveq2d | ⊢ ( 𝑛 = 𝐵 → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) = ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) |
| 195 | 192 194 | oveq12d | ⊢ ( 𝑛 = 𝐵 → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) ) = ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) ) |
| 196 | oveq2 | ⊢ ( 𝑛 = 𝐵 → ( 2 · 𝑛 ) = ( 2 · 𝐵 ) ) | |
| 197 | 196 | fveq2d | ⊢ ( 𝑛 = 𝐵 → ( √ ‘ ( 2 · 𝑛 ) ) = ( √ ‘ ( 2 · 𝐵 ) ) ) |
| 198 | 197 | oveq2d | ⊢ ( 𝑛 = 𝐵 → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝑛 ) ) ) = ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) |
| 199 | 195 198 | oveq12d | ⊢ ( 𝑛 = 𝐵 → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝑛 ) ) ) ) = ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) ) |
| 200 | ovex | ⊢ ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) ∈ V | |
| 201 | 199 1 200 | fvmpt | ⊢ ( 𝐵 ∈ ℕ → ( 𝐹 ‘ 𝐵 ) = ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) ) |
| 202 | 4 201 | syl | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝐵 ) = ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) ) |
| 203 | 2fveq3 | ⊢ ( 𝑛 = 𝐴 → ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) = ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) | |
| 204 | 203 | oveq2d | ⊢ ( 𝑛 = 𝐴 → ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) = ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) ) |
| 205 | fvoveq1 | ⊢ ( 𝑛 = 𝐴 → ( 𝐺 ‘ ( 𝑛 / 2 ) ) = ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) | |
| 206 | 205 | oveq2d | ⊢ ( 𝑛 = 𝐴 → ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) = ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) |
| 207 | 204 206 | oveq12d | ⊢ ( 𝑛 = 𝐴 → ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) ) = ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) ) |
| 208 | oveq2 | ⊢ ( 𝑛 = 𝐴 → ( 2 · 𝑛 ) = ( 2 · 𝐴 ) ) | |
| 209 | 208 | fveq2d | ⊢ ( 𝑛 = 𝐴 → ( √ ‘ ( 2 · 𝑛 ) ) = ( √ ‘ ( 2 · 𝐴 ) ) ) |
| 210 | 209 | oveq2d | ⊢ ( 𝑛 = 𝐴 → ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝑛 ) ) ) = ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) |
| 211 | 207 210 | oveq12d | ⊢ ( 𝑛 = 𝐴 → ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝑛 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝑛 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝑛 ) ) ) ) = ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) |
| 212 | ovex | ⊢ ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ∈ V | |
| 213 | 211 1 212 | fvmpt | ⊢ ( 𝐴 ∈ ℕ → ( 𝐹 ‘ 𝐴 ) = ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) |
| 214 | 3 213 | syl | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝐴 ) = ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) |
| 215 | 202 214 | breq12d | ⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝐵 ) < ( 𝐹 ‘ 𝐴 ) ↔ ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐵 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐵 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐵 ) ) ) ) < ( ( ( ( √ ‘ 2 ) · ( 𝐺 ‘ ( √ ‘ 𝐴 ) ) ) + ( ( 9 / 4 ) · ( 𝐺 ‘ ( 𝐴 / 2 ) ) ) ) + ( ( log ‘ 2 ) / ( √ ‘ ( 2 · 𝐴 ) ) ) ) ) ) |
| 216 | 190 215 | sylibrd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 → ( 𝐹 ‘ 𝐵 ) < ( 𝐹 ‘ 𝐴 ) ) ) |