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Mirrors > Home > MPE Home > Th. List > nmounbseqiALT | Structured version Visualization version GIF version |
Description: Alternate shorter proof of nmounbseqi 29040 based on Axioms ax-reg 9281 and ax-ac2 10150 instead of ax-cc 10122. (Contributed by NM, 11-Jan-2008.) (New usage is discouraged.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
nmoubi.1 | ⊢ 𝑋 = (BaseSet‘𝑈) |
nmoubi.y | ⊢ 𝑌 = (BaseSet‘𝑊) |
nmoubi.l | ⊢ 𝐿 = (normCV‘𝑈) |
nmoubi.m | ⊢ 𝑀 = (normCV‘𝑊) |
nmoubi.3 | ⊢ 𝑁 = (𝑈 normOpOLD 𝑊) |
nmoubi.u | ⊢ 𝑈 ∈ NrmCVec |
nmoubi.w | ⊢ 𝑊 ∈ NrmCVec |
Ref | Expression |
---|---|
nmounbseqiALT | ⊢ ((𝑇:𝑋⟶𝑌 ∧ (𝑁‘𝑇) = +∞) → ∃𝑓(𝑓:ℕ⟶𝑋 ∧ ∀𝑘 ∈ ℕ ((𝐿‘(𝑓‘𝑘)) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘)))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nmoubi.1 | . . . 4 ⊢ 𝑋 = (BaseSet‘𝑈) | |
2 | nmoubi.y | . . . 4 ⊢ 𝑌 = (BaseSet‘𝑊) | |
3 | nmoubi.l | . . . 4 ⊢ 𝐿 = (normCV‘𝑈) | |
4 | nmoubi.m | . . . 4 ⊢ 𝑀 = (normCV‘𝑊) | |
5 | nmoubi.3 | . . . 4 ⊢ 𝑁 = (𝑈 normOpOLD 𝑊) | |
6 | nmoubi.u | . . . 4 ⊢ 𝑈 ∈ NrmCVec | |
7 | nmoubi.w | . . . 4 ⊢ 𝑊 ∈ NrmCVec | |
8 | 1, 2, 3, 4, 5, 6, 7 | nmounbi 29039 | . . 3 ⊢ (𝑇:𝑋⟶𝑌 → ((𝑁‘𝑇) = +∞ ↔ ∀𝑘 ∈ ℝ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))))) |
9 | 8 | biimpa 476 | . 2 ⊢ ((𝑇:𝑋⟶𝑌 ∧ (𝑁‘𝑇) = +∞) → ∀𝑘 ∈ ℝ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦)))) |
10 | nnre 11910 | . . . 4 ⊢ (𝑘 ∈ ℕ → 𝑘 ∈ ℝ) | |
11 | 10 | imim1i 63 | . . 3 ⊢ ((𝑘 ∈ ℝ → ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦)))) → (𝑘 ∈ ℕ → ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))))) |
12 | 11 | ralimi2 3083 | . 2 ⊢ (∀𝑘 ∈ ℝ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))) → ∀𝑘 ∈ ℕ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦)))) |
13 | nnex 11909 | . . 3 ⊢ ℕ ∈ V | |
14 | fveq2 6756 | . . . . 5 ⊢ (𝑦 = (𝑓‘𝑘) → (𝐿‘𝑦) = (𝐿‘(𝑓‘𝑘))) | |
15 | 14 | breq1d 5080 | . . . 4 ⊢ (𝑦 = (𝑓‘𝑘) → ((𝐿‘𝑦) ≤ 1 ↔ (𝐿‘(𝑓‘𝑘)) ≤ 1)) |
16 | fveq2 6756 | . . . . . 6 ⊢ (𝑦 = (𝑓‘𝑘) → (𝑇‘𝑦) = (𝑇‘(𝑓‘𝑘))) | |
17 | 16 | fveq2d 6760 | . . . . 5 ⊢ (𝑦 = (𝑓‘𝑘) → (𝑀‘(𝑇‘𝑦)) = (𝑀‘(𝑇‘(𝑓‘𝑘)))) |
18 | 17 | breq2d 5082 | . . . 4 ⊢ (𝑦 = (𝑓‘𝑘) → (𝑘 < (𝑀‘(𝑇‘𝑦)) ↔ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘))))) |
19 | 15, 18 | anbi12d 630 | . . 3 ⊢ (𝑦 = (𝑓‘𝑘) → (((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))) ↔ ((𝐿‘(𝑓‘𝑘)) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘)))))) |
20 | 13, 19 | ac6s 10171 | . 2 ⊢ (∀𝑘 ∈ ℕ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))) → ∃𝑓(𝑓:ℕ⟶𝑋 ∧ ∀𝑘 ∈ ℕ ((𝐿‘(𝑓‘𝑘)) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘)))))) |
21 | 9, 12, 20 | 3syl 18 | 1 ⊢ ((𝑇:𝑋⟶𝑌 ∧ (𝑁‘𝑇) = +∞) → ∃𝑓(𝑓:ℕ⟶𝑋 ∧ ∀𝑘 ∈ ℕ ((𝐿‘(𝑓‘𝑘)) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘)))))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∃wex 1783 ∈ wcel 2108 ∀wral 3063 ∃wrex 3064 class class class wbr 5070 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 ℝcr 10801 1c1 10803 +∞cpnf 10937 < clt 10940 ≤ cle 10941 ℕcn 11903 NrmCVeccnv 28847 BaseSetcba 28849 normCVcnmcv 28853 normOpOLD cnmoo 29004 |
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-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-reg 9281 ax-inf2 9329 ax-ac2 10150 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
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-reu 3070 df-rmo 3071 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-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 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-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 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-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-sup 9131 df-r1 9453 df-rank 9454 df-card 9628 df-ac 9803 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-seq 13650 df-exp 13711 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-grpo 28756 df-gid 28757 df-ginv 28758 df-ablo 28808 df-vc 28822 df-nv 28855 df-va 28858 df-ba 28859 df-sm 28860 df-0v 28861 df-nmcv 28863 df-nmoo 29008 |
This theorem is referenced by: (None) |
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