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Mirrors > Home > MPE Home > Th. List > nmounbseqiALT | Structured version Visualization version GIF version |
Description: Alternate shorter proof of nmounbseqi 27632 based on axioms ax-reg 8497 and ax-ac2 9285 instead of ax-cc 9257. (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 27631 | . . 3 ⊢ (𝑇:𝑋⟶𝑌 → ((𝑁‘𝑇) = +∞ ↔ ∀𝑘 ∈ ℝ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))))) |
9 | 8 | biimpa 501 | . 2 ⊢ ((𝑇:𝑋⟶𝑌 ∧ (𝑁‘𝑇) = +∞) → ∀𝑘 ∈ ℝ ∃𝑦 ∈ 𝑋 ((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦)))) |
10 | nnre 11027 | . . . 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 2949 | . 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 11026 | . . 3 ⊢ ℕ ∈ V | |
14 | fveq2 6191 | . . . . 5 ⊢ (𝑦 = (𝑓‘𝑘) → (𝐿‘𝑦) = (𝐿‘(𝑓‘𝑘))) | |
15 | 14 | breq1d 4663 | . . . 4 ⊢ (𝑦 = (𝑓‘𝑘) → ((𝐿‘𝑦) ≤ 1 ↔ (𝐿‘(𝑓‘𝑘)) ≤ 1)) |
16 | fveq2 6191 | . . . . . 6 ⊢ (𝑦 = (𝑓‘𝑘) → (𝑇‘𝑦) = (𝑇‘(𝑓‘𝑘))) | |
17 | 16 | fveq2d 6195 | . . . . 5 ⊢ (𝑦 = (𝑓‘𝑘) → (𝑀‘(𝑇‘𝑦)) = (𝑀‘(𝑇‘(𝑓‘𝑘)))) |
18 | 17 | breq2d 4665 | . . . 4 ⊢ (𝑦 = (𝑓‘𝑘) → (𝑘 < (𝑀‘(𝑇‘𝑦)) ↔ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘))))) |
19 | 15, 18 | anbi12d 747 | . . 3 ⊢ (𝑦 = (𝑓‘𝑘) → (((𝐿‘𝑦) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘𝑦))) ↔ ((𝐿‘(𝑓‘𝑘)) ≤ 1 ∧ 𝑘 < (𝑀‘(𝑇‘(𝑓‘𝑘)))))) |
20 | 13, 19 | ac6s 9306 | . 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 384 = wceq 1483 ∃wex 1704 ∈ wcel 1990 ∀wral 2912 ∃wrex 2913 class class class wbr 4653 ⟶wf 5884 ‘cfv 5888 (class class class)co 6650 ℝcr 9935 1c1 9937 +∞cpnf 10071 < clt 10074 ≤ cle 10075 ℕcn 11020 NrmCVeccnv 27439 BaseSetcba 27441 normCVcnmcv 27445 normOpOLD cnmoo 27596 |
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-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-reg 8497 ax-inf2 8538 ax-ac2 9285 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-int 4476 df-iun 4522 df-iin 4523 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-se 5074 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-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-map 7859 df-en 7956 df-dom 7957 df-sdom 7958 df-sup 8348 df-r1 8627 df-rank 8628 df-card 8765 df-ac 8939 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-seq 12802 df-exp 12861 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-grpo 27347 df-gid 27348 df-ginv 27349 df-ablo 27399 df-vc 27414 df-nv 27447 df-va 27450 df-ba 27451 df-sm 27452 df-0v 27453 df-nmcv 27455 df-nmoo 27600 |
This theorem is referenced by: (None) |
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