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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 21592. (Revised by GG, 31-Mar-2025.) |
| Ref | Expression |
|---|---|
| cnfldstr | ⊢ ℂfld Struct 〈1, ;13〉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cnfld 21592 | . 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 2762 | . . . 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 17400 | . . 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 12367 | . . . . 5 ⊢ 9 ∈ ℕ | |
| 5 | tsetndx 17443 | . . . . 5 ⊢ (TopSet‘ndx) = 9 | |
| 6 | 9lt10 12877 | . . . . 5 ⊢ 9 < ;10 | |
| 7 | 10nn 12760 | . . . . 5 ⊢ ;10 ∈ ℕ | |
| 8 | plendx 17457 | . . . . 5 ⊢ (le‘ndx) = ;10 | |
| 9 | 1nn0 12548 | . . . . . 6 ⊢ 1 ∈ ℕ0 | |
| 10 | 0nn0 12547 | . . . . . 6 ⊢ 0 ∈ ℕ0 | |
| 11 | 2nn 12342 | . . . . . 6 ⊢ 2 ∈ ℕ | |
| 12 | 2pos 12373 | . . . . . 6 ⊢ 0 < 2 | |
| 13 | 9, 10, 11, 12 | declt 12773 | . . . . 5 ⊢ ;10 < ;12 |
| 14 | 9, 11 | decnncl 12764 | . . . . 5 ⊢ ;12 ∈ ℕ |
| 15 | dsndx 17476 | . . . . 5 ⊢ (dist‘ndx) = ;12 | |
| 16 | 4, 5, 6, 7, 8, 13, 14, 15 | strle3 17258 | . . . 4 ⊢ {〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} Struct 〈9, ;12〉 |
| 17 | 3nn 12348 | . . . . . 6 ⊢ 3 ∈ ℕ | |
| 18 | 9, 17 | decnncl 12764 | . . . . 5 ⊢ ;13 ∈ ℕ |
| 19 | unifndx 17486 | . . . . 5 ⊢ (UnifSet‘ndx) = ;13 | |
| 20 | 18, 19 | strle1 17256 | . . . 4 ⊢ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉} Struct 〈;13, ;13〉 |
| 21 | 2nn0 12549 | . . . . 5 ⊢ 2 ∈ ℕ0 | |
| 22 | 2lt3 12442 | . . . . 5 ⊢ 2 < 3 | |
| 23 | 9, 21, 17, 22 | declt 12773 | . . . 4 ⊢ ;12 < ;13 |
| 24 | 16, 20, 23 | strleun 17255 | . . 3 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉}) Struct 〈9, ;13〉 |
| 25 | 4lt9 12474 | . . 3 ⊢ 4 < 9 | |
| 26 | 3, 24, 25 | strleun 17255 | . 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 5130 | 1 ⊢ ℂfld Struct 〈1, ;13〉 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∪ cun 3900 {csn 4587 {ctp 4591 〈cop 4593 class class class wbr 5107 ∘ ccom 5663 ‘cfv 6537 (class class class)co 7417 ∈ cmpo 7419 ℂcc 11126 0cc0 11128 1c1 11129 + caddc 11131 · cmul 11133 ≤ cle 11272 − cmin 11469 2c2 12323 3c3 12324 4c4 12325 9c9 12330 ;cdc 12740 ∗ccj 15187 abscabs 15325 Struct cstr 17244 ndxcnx 17291 Basecbs 17307 +gcplusg 17348 .rcmulr 17349 *𝑟cstv 17350 TopSetcts 17354 lecple 17355 distcds 17357 UnifSetcunif 17358 MetOpencmopn 21581 metUnifcmetu 21582 ℂfldccnfld 21591 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-fin 8960 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-2 12331 df-3 12332 df-4 12333 df-5 12334 df-6 12335 df-7 12336 df-8 12337 df-9 12338 df-n0 12533 df-z 12620 df-dec 12741 df-uz 12892 df-fz 13566 df-struct 17245 df-slot 17280 df-ndx 17292 df-base 17308 df-plusg 17361 df-mulr 17362 df-starv 17363 df-tset 17367 df-ple 17368 df-ds 17370 df-unif 17371 df-cnfld 21592 |
| This theorem is used by: cnfldbas 21595 mpocnfldadd 21596 mpocnfldmul 21598 cnfldcj 21600 cnfldtset 21601 cnfldle 21602 cnfldds 21603 cnfldunif 21604 cnfldfun 21605 cffldtocusgr 29915 |
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