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Mirrors > Home > MPE Home > Th. List > lo1bddrp | Structured version Visualization version GIF version |
Description: Refine o1bdd2 14272 to give a strictly positive upper bound. (Contributed by Mario Carneiro, 25-May-2016.) |
Ref | Expression |
---|---|
lo1bdd2.1 | ⊢ (𝜑 → 𝐴 ⊆ ℝ) |
lo1bdd2.2 | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
lo1bdd2.3 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) |
lo1bdd2.4 | ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) |
lo1bdd2.5 | ⊢ ((𝜑 ∧ (𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦)) → 𝑀 ∈ ℝ) |
lo1bdd2.6 | ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ ((𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦) ∧ 𝑥 < 𝑦)) → 𝐵 ≤ 𝑀) |
Ref | Expression |
---|---|
lo1bddrp | ⊢ (𝜑 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lo1bdd2.1 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ ℝ) | |
2 | lo1bdd2.2 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
3 | lo1bdd2.3 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) | |
4 | lo1bdd2.4 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) | |
5 | lo1bdd2.5 | . . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦)) → 𝑀 ∈ ℝ) | |
6 | lo1bdd2.6 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ ((𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦) ∧ 𝑥 < 𝑦)) → 𝐵 ≤ 𝑀) | |
7 | 1, 2, 3, 4, 5, 6 | lo1bdd2 14255 | . 2 ⊢ (𝜑 → ∃𝑛 ∈ ℝ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛) |
8 | simpr 477 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → 𝑛 ∈ ℝ) | |
9 | 8 | recnd 10068 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → 𝑛 ∈ ℂ) |
10 | 9 | abscld 14175 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → (abs‘𝑛) ∈ ℝ) |
11 | 9 | absge0d 14183 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → 0 ≤ (abs‘𝑛)) |
12 | 10, 11 | ge0p1rpd 11902 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → ((abs‘𝑛) + 1) ∈ ℝ+) |
13 | simplr 792 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝑛 ∈ ℝ) | |
14 | 10 | adantr 481 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → (abs‘𝑛) ∈ ℝ) |
15 | peano2re 10209 | . . . . . . . 8 ⊢ ((abs‘𝑛) ∈ ℝ → ((abs‘𝑛) + 1) ∈ ℝ) | |
16 | 14, 15 | syl 17 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → ((abs‘𝑛) + 1) ∈ ℝ) |
17 | 13 | leabsd 14153 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝑛 ≤ (abs‘𝑛)) |
18 | 14 | lep1d 10955 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → (abs‘𝑛) ≤ ((abs‘𝑛) + 1)) |
19 | 13, 14, 16, 17, 18 | letrd 10194 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝑛 ≤ ((abs‘𝑛) + 1)) |
20 | 3 | adantlr 751 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) |
21 | letr 10131 | . . . . . . 7 ⊢ ((𝐵 ∈ ℝ ∧ 𝑛 ∈ ℝ ∧ ((abs‘𝑛) + 1) ∈ ℝ) → ((𝐵 ≤ 𝑛 ∧ 𝑛 ≤ ((abs‘𝑛) + 1)) → 𝐵 ≤ ((abs‘𝑛) + 1))) | |
22 | 20, 13, 16, 21 | syl3anc 1326 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → ((𝐵 ≤ 𝑛 ∧ 𝑛 ≤ ((abs‘𝑛) + 1)) → 𝐵 ≤ ((abs‘𝑛) + 1))) |
23 | 19, 22 | mpan2d 710 | . . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → (𝐵 ≤ 𝑛 → 𝐵 ≤ ((abs‘𝑛) + 1))) |
24 | 23 | ralimdva 2962 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → (∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛 → ∀𝑥 ∈ 𝐴 𝐵 ≤ ((abs‘𝑛) + 1))) |
25 | breq2 4657 | . . . . . 6 ⊢ (𝑚 = ((abs‘𝑛) + 1) → (𝐵 ≤ 𝑚 ↔ 𝐵 ≤ ((abs‘𝑛) + 1))) | |
26 | 25 | ralbidv 2986 | . . . . 5 ⊢ (𝑚 = ((abs‘𝑛) + 1) → (∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚 ↔ ∀𝑥 ∈ 𝐴 𝐵 ≤ ((abs‘𝑛) + 1))) |
27 | 26 | rspcev 3309 | . . . 4 ⊢ ((((abs‘𝑛) + 1) ∈ ℝ+ ∧ ∀𝑥 ∈ 𝐴 𝐵 ≤ ((abs‘𝑛) + 1)) → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚) |
28 | 12, 24, 27 | syl6an 568 | . . 3 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → (∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚)) |
29 | 28 | rexlimdva 3031 | . 2 ⊢ (𝜑 → (∃𝑛 ∈ ℝ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚)) |
30 | 7, 29 | mpd 15 | 1 ⊢ (𝜑 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 = wceq 1483 ∈ wcel 1990 ∀wral 2912 ∃wrex 2913 ⊆ wss 3574 class class class wbr 4653 ↦ cmpt 4729 ‘cfv 5888 (class class class)co 6650 ℝcr 9935 1c1 9937 + caddc 9939 < clt 10074 ≤ cle 10075 ℝ+crp 11832 abscabs 13974 ≤𝑂(1)clo1 14218 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-pm 7860 df-en 7956 df-dom 7957 df-sdom 7958 df-sup 8348 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-3 11080 df-n0 11293 df-z 11378 df-uz 11688 df-rp 11833 df-ico 12181 df-seq 12802 df-exp 12861 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-lo1 14222 |
This theorem is referenced by: o1bddrp 14273 chpo1ubb 25170 pntrlog2bnd 25273 |
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