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Mirrors > Home > MPE Home > Th. List > cnfldds | Structured version Visualization version GIF version |
Description: The metric of the field of complex numbers. (Contributed by Mario Carneiro, 14-Aug-2015.) (Revised by Mario Carneiro, 6-Oct-2015.) (Revised by Thierry Arnoux, 17-Dec-2017.) |
Ref | Expression |
---|---|
cnfldds | ⊢ (abs ∘ − ) = (dist‘ℂfld) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | absf 15094 | . . . 4 ⊢ abs:ℂ⟶ℝ | |
2 | subf 11269 | . . . 4 ⊢ − :(ℂ × ℂ)⟶ℂ | |
3 | fco 6654 | . . . 4 ⊢ ((abs:ℂ⟶ℝ ∧ − :(ℂ × ℂ)⟶ℂ) → (abs ∘ − ):(ℂ × ℂ)⟶ℝ) | |
4 | 1, 2, 3 | mp2an 690 | . . 3 ⊢ (abs ∘ − ):(ℂ × ℂ)⟶ℝ |
5 | cnex 10998 | . . . 4 ⊢ ℂ ∈ V | |
6 | 5, 5 | xpex 7635 | . . 3 ⊢ (ℂ × ℂ) ∈ V |
7 | reex 11008 | . . 3 ⊢ ℝ ∈ V | |
8 | fex2 7812 | . . 3 ⊢ (((abs ∘ − ):(ℂ × ℂ)⟶ℝ ∧ (ℂ × ℂ) ∈ V ∧ ℝ ∈ V) → (abs ∘ − ) ∈ V) | |
9 | 4, 6, 7, 8 | mp3an 1461 | . 2 ⊢ (abs ∘ − ) ∈ V |
10 | cnfldstr 20644 | . . 3 ⊢ ℂfld Struct 〈1, ;13〉 | |
11 | dsid 17141 | . . 3 ⊢ dist = Slot (dist‘ndx) | |
12 | snsstp3 4757 | . . . 4 ⊢ {〈(dist‘ndx), (abs ∘ − )〉} ⊆ {〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} | |
13 | ssun1 4112 | . . . . 5 ⊢ {〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ⊆ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉}) | |
14 | ssun2 4113 | . . . . . 6 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉}) ⊆ (({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), + 〉, 〈(.r‘ndx), · 〉} ∪ {〈(*𝑟‘ndx), ∗〉}) ∪ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉})) | |
15 | df-cnfld 20643 | . . . . . 6 ⊢ ℂfld = (({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), + 〉, 〈(.r‘ndx), · 〉} ∪ {〈(*𝑟‘ndx), ∗〉}) ∪ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉})) | |
16 | 14, 15 | sseqtrri 3963 | . . . . 5 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉}) ⊆ ℂfld |
17 | 13, 16 | sstri 3935 | . . . 4 ⊢ {〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ⊆ ℂfld |
18 | 12, 17 | sstri 3935 | . . 3 ⊢ {〈(dist‘ndx), (abs ∘ − )〉} ⊆ ℂfld |
19 | 10, 11, 18 | strfv 16950 | . 2 ⊢ ((abs ∘ − ) ∈ V → (abs ∘ − ) = (dist‘ℂfld)) |
20 | 9, 19 | ax-mp 5 | 1 ⊢ (abs ∘ − ) = (dist‘ℂfld) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 ∈ wcel 2104 Vcvv 3437 ∪ cun 3890 {csn 4565 {ctp 4569 〈cop 4571 × cxp 5598 ∘ ccom 5604 ⟶wf 6454 ‘cfv 6458 ℂcc 10915 ℝcr 10916 1c1 10918 + caddc 10920 · cmul 10922 ≤ cle 11056 − cmin 11251 3c3 12075 ;cdc 12483 ∗ccj 14852 abscabs 14990 ndxcnx 16939 Basecbs 16957 +gcplusg 17007 .rcmulr 17008 *𝑟cstv 17009 TopSetcts 17013 lecple 17014 distcds 17016 UnifSetcunif 17017 MetOpencmopn 20632 metUnifcmetu 20633 ℂfldccnfld 20642 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10973 ax-resscn 10974 ax-1cn 10975 ax-icn 10976 ax-addcl 10977 ax-addrcl 10978 ax-mulcl 10979 ax-mulrcl 10980 ax-mulcom 10981 ax-addass 10982 ax-mulass 10983 ax-distr 10984 ax-i2m1 10985 ax-1ne0 10986 ax-1rid 10987 ax-rnegex 10988 ax-rrecex 10989 ax-cnre 10990 ax-pre-lttri 10991 ax-pre-lttrn 10992 ax-pre-ltadd 10993 ax-pre-mulgt0 10994 ax-pre-sup 10995 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3285 df-reu 3286 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-tp 4570 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-1st 7863 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-1o 8328 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-fin 8768 df-sup 9245 df-pnf 11057 df-mnf 11058 df-xr 11059 df-ltxr 11060 df-le 11061 df-sub 11253 df-neg 11254 df-div 11679 df-nn 12020 df-2 12082 df-3 12083 df-4 12084 df-5 12085 df-6 12086 df-7 12087 df-8 12088 df-9 12089 df-n0 12280 df-z 12366 df-dec 12484 df-uz 12629 df-rp 12777 df-fz 13286 df-seq 13768 df-exp 13829 df-cj 14855 df-re 14856 df-im 14857 df-sqrt 14991 df-abs 14992 df-struct 16893 df-slot 16928 df-ndx 16940 df-base 16958 df-plusg 17020 df-mulr 17021 df-starv 17022 df-tset 17026 df-ple 17027 df-ds 17029 df-unif 17030 df-cnfld 20643 |
This theorem is referenced by: reds 20866 cnfldms 23984 cnfldnm 23987 cnngp 23988 cncms 24564 cnfldcusp 24566 qqhcn 31986 qqhucn 31987 cnrrext 32005 cnpwstotbnd 35999 repwsmet 36036 rrnequiv 36037 |
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