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| Mirrors > Home > MPE Home > Th. List > cnfldstr | Structured version Visualization version GIF version | ||
| Description: The field of complex numbers is a structure. (Contributed by Mario Carneiro, 14-Aug-2015.) (Revised by Thierry Arnoux, 17-Dec-2017.) Revise df-cnfld 21685. (Revised by GG, 31-Mar-2025.) |
| Ref | Expression |
|---|---|
| cnfldstr | ⊢ ℂfld Struct 〈1, ;13〉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cnfld 21685 | . 2 ⊢ ℂfld = (({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 + 𝑣))〉, 〈(.r‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 · 𝑣))〉} ∪ {〈(*𝑟‘ndx), ∗〉}) ∪ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉})) | |
| 2 | eqid 2760 | . . . 4 ⊢ ({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 + 𝑣))〉, 〈(.r‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 · 𝑣))〉} ∪ {〈(*𝑟‘ndx), ∗〉}) = ({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 + 𝑣))〉, 〈(.r‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 · 𝑣))〉} ∪ {〈(*𝑟‘ndx), ∗〉}) | |
| 3 | 2 | srngstr 17486 | . . 3 ⊢ ({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 + 𝑣))〉, 〈(.r‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 · 𝑣))〉} ∪ {〈(*𝑟‘ndx), ∗〉}) Struct 〈1, 4〉 |
| 4 | 9nn 12445 | . . . . 5 ⊢ 9 ∈ ℕ | |
| 5 | tsetndx 17529 | . . . . 5 ⊢ (TopSet‘ndx) = 9 | |
| 6 | 9lt10 12955 | . . . . 5 ⊢ 9 < ;10 | |
| 7 | 10nn 12838 | . . . . 5 ⊢ ;10 ∈ ℕ | |
| 8 | plendx 17543 | . . . . 5 ⊢ (le‘ndx) = ;10 | |
| 9 | 1nn0 12626 | . . . . . 6 ⊢ 1 ∈ ℕ0 | |
| 10 | 0nn0 12625 | . . . . . 6 ⊢ 0 ∈ ℕ0 | |
| 11 | 2nn 12420 | . . . . . 6 ⊢ 2 ∈ ℕ | |
| 12 | 2pos 12451 | . . . . . 6 ⊢ 0 < 2 | |
| 13 | 9, 10, 11, 12 | declt 12851 | . . . . 5 ⊢ ;10 < ;12 |
| 14 | 9, 11 | decnncl 12842 | . . . . 5 ⊢ ;12 ∈ ℕ |
| 15 | dsndx 17562 | . . . . 5 ⊢ (dist‘ndx) = ;12 | |
| 16 | 4, 5, 6, 7, 8, 13, 14, 15 | strle3 17344 | . . . 4 ⊢ {〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} Struct 〈9, ;12〉 |
| 17 | 3nn 12426 | . . . . . 6 ⊢ 3 ∈ ℕ | |
| 18 | 9, 17 | decnncl 12842 | . . . . 5 ⊢ ;13 ∈ ℕ |
| 19 | unifndx 17572 | . . . . 5 ⊢ (UnifSet‘ndx) = ;13 | |
| 20 | 18, 19 | strle1 17342 | . . . 4 ⊢ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉} Struct 〈;13, ;13〉 |
| 21 | 2nn0 12627 | . . . . 5 ⊢ 2 ∈ ℕ0 | |
| 22 | 2lt3 12520 | . . . . 5 ⊢ 2 < 3 | |
| 23 | 9, 21, 17, 22 | declt 12851 | . . . 4 ⊢ ;12 < ;13 |
| 24 | 16, 20, 23 | strleun 17341 | . . 3 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉}) Struct 〈9, ;13〉 |
| 25 | 4lt9 12552 | . . 3 ⊢ 4 < 9 | |
| 26 | 3, 24, 25 | strleun 17341 | . 2 ⊢ (({〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 + 𝑣))〉, 〈(.r‘ndx), (𝑢 ∈ ℂ, 𝑣 ∈ ℂ ↦ (𝑢 · 𝑣))〉} ∪ {〈(*𝑟‘ndx), ∗〉}) ∪ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉})) Struct 〈1, ;13〉 |
| 27 | 1, 26 | eqbrtri 5125 | 1 ⊢ ℂfld Struct 〈1, ;13〉 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∪ cun 4149 {csn 4584 {ctp 4588 〈cop 4834 class class class wbr 5102 ∘ ccom 5654 ‘cfv 6539 (class class class)co 7421 ∈ cmpo 7423 ℂcc 11202 0cc0 11204 1c1 11205 + caddc 11207 · cmul 11209 ≤ cle 11348 − cmin 11545 2c2 12401 3c3 12402 4c4 12403 9c9 12408 ;cdc 12818 ∗ccj 15269 abscabs 15407 Struct cstr 17330 ndxcnx 17377 Basecbs 17393 +gcplusg 17434 .rcmulr 17435 *𝑟cstv 17436 TopSetcts 17440 lecple 17441 distcds 17443 UnifSetcunif 17444 MetOpencmopn 21674 metUnifcmetu 21675 ℂfldccnfld 21684 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-z 12698 df-dec 12819 df-uz 12970 df-fz 13644 df-struct 17331 df-slot 17366 df-ndx 17378 df-base 17394 df-plusg 17447 df-mulr 17448 df-starv 17449 df-tset 17453 df-ple 17454 df-ds 17456 df-unif 17457 df-cnfld 21685 |
| This theorem is used by: cnfldbas 21688 mpocnfldadd 21689 mpocnfldmul 21691 cnfldcj 21693 cnfldtset 21694 cnfldle 21695 cnfldds 21696 cnfldunif 21697 cnfldfun 21698 cffldtocusgr 30034 |
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