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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 21659. (Revised by GG, 31-Mar-2025.) |
| Ref | Expression |
|---|---|
| cnfldstr | ⊢ ℂfld Struct 〈1, ;13〉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cnfld 21659 | . 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 2761 | . . . 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 17460 | . . 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 12422 | . . . . 5 ⊢ 9 ∈ ℕ | |
| 5 | tsetndx 17503 | . . . . 5 ⊢ (TopSet‘ndx) = 9 | |
| 6 | 9lt10 12932 | . . . . 5 ⊢ 9 < ;10 | |
| 7 | 10nn 12815 | . . . . 5 ⊢ ;10 ∈ ℕ | |
| 8 | plendx 17517 | . . . . 5 ⊢ (le‘ndx) = ;10 | |
| 9 | 1nn0 12603 | . . . . . 6 ⊢ 1 ∈ ℕ0 | |
| 10 | 0nn0 12602 | . . . . . 6 ⊢ 0 ∈ ℕ0 | |
| 11 | 2nn 12397 | . . . . . 6 ⊢ 2 ∈ ℕ | |
| 12 | 2pos 12428 | . . . . . 6 ⊢ 0 < 2 | |
| 13 | 9, 10, 11, 12 | declt 12828 | . . . . 5 ⊢ ;10 < ;12 |
| 14 | 9, 11 | decnncl 12819 | . . . . 5 ⊢ ;12 ∈ ℕ |
| 15 | dsndx 17536 | . . . . 5 ⊢ (dist‘ndx) = ;12 | |
| 16 | 4, 5, 6, 7, 8, 13, 14, 15 | strle3 17318 | . . . 4 ⊢ {〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} Struct 〈9, ;12〉 |
| 17 | 3nn 12403 | . . . . . 6 ⊢ 3 ∈ ℕ | |
| 18 | 9, 17 | decnncl 12819 | . . . . 5 ⊢ ;13 ∈ ℕ |
| 19 | unifndx 17546 | . . . . 5 ⊢ (UnifSet‘ndx) = ;13 | |
| 20 | 18, 19 | strle1 17316 | . . . 4 ⊢ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉} Struct 〈;13, ;13〉 |
| 21 | 2nn0 12604 | . . . . 5 ⊢ 2 ∈ ℕ0 | |
| 22 | 2lt3 12497 | . . . . 5 ⊢ 2 < 3 | |
| 23 | 9, 21, 17, 22 | declt 12828 | . . . 4 ⊢ ;12 < ;13 |
| 24 | 16, 20, 23 | strleun 17315 | . . 3 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉}) Struct 〈9, ;13〉 |
| 25 | 4lt9 12529 | . . 3 ⊢ 4 < 9 | |
| 26 | 3, 24, 25 | strleun 17315 | . 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 5126 | 1 ⊢ ℂfld Struct 〈1, ;13〉 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∪ cun 3897 {csn 4584 {ctp 4588 〈cop 4590 class class class wbr 5103 ∘ ccom 5655 ‘cfv 6531 (class class class)co 7412 ∈ cmpo 7414 ℂcc 11179 0cc0 11181 1c1 11182 + caddc 11184 · cmul 11186 ≤ cle 11325 − cmin 11522 2c2 12378 3c3 12379 4c4 12380 9c9 12385 ;cdc 12795 ∗ccj 15243 abscabs 15381 Struct cstr 17304 ndxcnx 17351 Basecbs 17367 +gcplusg 17408 .rcmulr 17409 *𝑟cstv 17410 TopSetcts 17414 lecple 17415 distcds 17417 UnifSetcunif 17418 MetOpencmopn 21648 metUnifcmetu 21649 ℂfldccnfld 21658 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8460 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-nn 12317 df-2 12386 df-3 12387 df-4 12388 df-5 12389 df-6 12390 df-7 12391 df-8 12392 df-9 12393 df-n0 12588 df-z 12675 df-dec 12796 df-uz 12947 df-fz 13621 df-struct 17305 df-slot 17340 df-ndx 17352 df-base 17368 df-plusg 17421 df-mulr 17422 df-starv 17423 df-tset 17427 df-ple 17428 df-ds 17430 df-unif 17431 df-cnfld 21659 |
| This theorem is used by: cnfldbas 21662 mpocnfldadd 21663 mpocnfldmul 21665 cnfldcj 21667 cnfldtset 21668 cnfldle 21669 cnfldds 21670 cnfldunif 21671 cnfldfun 21672 cffldtocusgr 30010 |
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