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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 482 | . 2 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → 𝐹 ∈ 𝑂(1)) | |
2 | simpr 484 | . . 3 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → 𝐹:𝐴⟶ℂ) | |
3 | fdm 6593 | . . . . 5 ⊢ (𝐹:𝐴⟶ℂ → dom 𝐹 = 𝐴) | |
4 | 3 | adantl 481 | . . . 4 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → dom 𝐹 = 𝐴) |
5 | o1dm 15167 | . . . . 5 ⊢ (𝐹 ∈ 𝑂(1) → dom 𝐹 ⊆ ℝ) | |
6 | 5 | adantr 480 | . . . 4 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → dom 𝐹 ⊆ ℝ) |
7 | 4, 6 | eqsstrrd 3956 | . . 3 ⊢ ((𝐹 ∈ 𝑂(1) ∧ 𝐹:𝐴⟶ℂ) → 𝐴 ⊆ ℝ) |
8 | elo12 15164 | . . 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 583 | . 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 231 | 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 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ∃wrex 3064 ⊆ wss 3883 class class class wbr 5070 dom cdm 5580 ⟶wf 6414 ‘cfv 6418 ℂcc 10800 ℝcr 10801 ≤ cle 10941 abscabs 14873 𝑂(1)co1 15123 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-pre-lttri 10876 ax-pre-lttrn 10877 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-ov 7258 df-oprab 7259 df-mpo 7260 df-er 8456 df-pm 8576 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-ico 13014 df-o1 15127 |
This theorem is referenced by: o1of2 15250 o1rlimmul 15256 o1cxp 26029 |
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