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Mirrors > Home > MPE Home > Th. List > o1bdd | Structured version Visualization version GIF version |
Description: The defining property of an eventually bounded function. (Contributed by Mario Carneiro, 15-Sep-2014.) |
Ref | Expression |
---|---|
o1bdd | ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → ∃𝑥 ∈ ℝ ∃𝑚 ∈ ℝ ∀𝑦 ∈ 𝐴 (𝑥 ≤ 𝑦 → (abs‘(𝐹‘𝑦)) ≤ 𝑚)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 486 | . 2 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → 𝐹 ∈ 𝑂(1)) | |
2 | simpr 488 | . . 3 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → 𝐹:𝐴⟶ℂ) | |
3 | fdm 6573 | . . . . 5 ⊢ (𝐹:𝐴⟶ℂ → dom 𝐹 = 𝐴) | |
4 | 3 | adantl 485 | . . . 4 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → dom 𝐹 = 𝐴) |
5 | o1dm 15119 | . . . . 5 ⊢ (𝐹 ∈ 𝑂(1) → dom 𝐹 ⊆ ℝ) | |
6 | 5 | adantr 484 | . . . 4 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → dom 𝐹 ⊆ ℝ) |
7 | 4, 6 | eqsstrrd 3955 | . . 3 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → 𝐴 ⊆ ℝ) |
8 | elo12 15116 | . . 3 ⊢ ((𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ ℝ) → (𝐹 ∈ 𝑂(1) ↔ ∃𝑥 ∈ ℝ ∃𝑚 ∈ ℝ ∀𝑦 ∈ 𝐴 (𝑥 ≤ 𝑦 → (abs‘(𝐹‘𝑦)) ≤ 𝑚))) | |
9 | 2, 7, 8 | syl2anc 587 | . 2 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → (𝐹 ∈ 𝑂(1) ↔ ∃𝑥 ∈ ℝ ∃𝑚 ∈ ℝ ∀𝑦 ∈ 𝐴 (𝑥 ≤ 𝑦 → (abs‘(𝐹‘𝑦)) ≤ 𝑚))) |
10 | 1, 9 | mpbid 235 | 1 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → ∃𝑥 ∈ ℝ ∃𝑚 ∈ ℝ ∀𝑦 ∈ 𝐴 (𝑥 ≤ 𝑦 → (abs‘(𝐹‘𝑦)) ≤ 𝑚)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1543 ∈ wcel 2111 ∀wral 3062 ∃wrex 3063 ⊆ wss 3881 class class class wbr 5068 dom cdm 5566 ⟶wf 6394 ‘cfv 6398 ℂcc 10752 ℝcr 10753 ≤ cle 10893 abscabs 14825 𝑂(1)co1 15075 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2159 ax-12 2176 ax-ext 2709 ax-sep 5207 ax-nul 5214 ax-pow 5273 ax-pr 5337 ax-un 7542 ax-cnex 10810 ax-resscn 10811 ax-pre-lttri 10828 ax-pre-lttrn 10829 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2072 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3067 df-rex 3068 df-rab 3071 df-v 3423 df-sbc 3710 df-csb 3827 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4253 df-if 4455 df-pw 4530 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4835 df-br 5069 df-opab 5131 df-mpt 5151 df-id 5470 df-po 5483 df-so 5484 df-xp 5572 df-rel 5573 df-cnv 5574 df-co 5575 df-dm 5576 df-rn 5577 df-res 5578 df-ima 5579 df-iota 6356 df-fun 6400 df-fn 6401 df-f 6402 df-f1 6403 df-fo 6404 df-f1o 6405 df-fv 6406 df-ov 7235 df-oprab 7236 df-mpo 7237 df-er 8412 df-pm 8532 df-en 8648 df-dom 8649 df-sdom 8650 df-pnf 10894 df-mnf 10895 df-xr 10896 df-ltxr 10897 df-le 10898 df-ico 12966 df-o1 15079 |
This theorem is referenced by: o1of2 15202 o1rlimmul 15208 o1cxp 25884 |
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