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| Mirrors > Home > MPE Home > Th. List > cnfldeuf | Structured version Visualization version GIF version | ||
| Description: The Euclidean function component of the complex numbers. (Contributed by Thierry Arnoux, 9-Nov-2026.) |
| Ref | Expression |
|---|---|
| cnfldeuf | ⊢ abs = (EuclF‘ℂfld) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | absex 15549 | . 2 ⊢ abs ∈ V | |
| 2 | cnfldstr 21731 | . . 3 ⊢ ℂfld Struct 〈1, ;21〉 | |
| 3 | eufid 17633 | . . 3 ⊢ EuclF = Slot (EuclF‘ndx) | |
| 4 | snsspr2 4776 | . . . 4 ⊢ {〈(EuclF‘ndx), abs〉} ⊆ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉, 〈(EuclF‘ndx), abs〉} | |
| 5 | ssun2 4180 | . . . . 5 ⊢ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉, 〈(EuclF‘ndx), abs〉} ⊆ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉, 〈(EuclF‘ndx), abs〉}) | |
| 6 | ssun2 4180 | . . . . . 6 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉, 〈(EuclF‘ndx), abs〉}) ⊆ (({〈(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 ∘ − ))〉, 〈(EuclF‘ndx), abs〉})) | |
| 7 | df-cnfld 21730 | . . . . . 6 ⊢ 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 ∘ − ))〉, 〈(EuclF‘ndx), abs〉})) | |
| 8 | 6, 7 | sseqtrri 3962 | . . . . 5 ⊢ ({〈(TopSet‘ndx), (MetOpen‘(abs ∘ − ))〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (abs ∘ − )〉} ∪ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉, 〈(EuclF‘ndx), abs〉}) ⊆ ℂfld |
| 9 | 5, 8 | sstri 3922 | . . . 4 ⊢ {〈(UnifSet‘ndx), (metUnif‘(abs ∘ − ))〉, 〈(EuclF‘ndx), abs〉} ⊆ ℂfld |
| 10 | 4, 9 | sstri 3922 | . . 3 ⊢ {〈(EuclF‘ndx), abs〉} ⊆ ℂfld |
| 11 | 2, 3, 10 | strfv 17425 | . 2 ⊢ (abs ∈ V → abs = (EuclF‘ℂfld)) |
| 12 | 1, 11 | ax-mp 5 | 1 ⊢ abs = (EuclF‘ℂfld) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2147 Vcvv 3454 ∪ cun 4152 {csn 4588 {cpr 4590 {ctp 4592 〈cop 4840 ∘ ccom 5662 ‘cfv 6566 (class class class)co 7451 ∈ cmpo 7453 ℂcc 11237 1c1 11240 + caddc 11242 · cmul 11244 ≤ cle 11383 − cmin 11580 2c2 12437 ;cdc 12854 ∗ccj 15306 abscabs 15444 ndxcnx 17415 Basecbs 17431 +gcplusg 17472 .rcmulr 17473 *𝑟cstv 17474 TopSetcts 17478 lecple 17479 distcds 17481 UnifSetcunif 17482 EuclFceuf 17485 MetOpencmopn 21719 metUnifcmetu 21720 ℂfldccnfld 21729 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-sup 9471 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-rp 13161 df-fz 13680 df-seq 14185 df-exp 14245 df-cj 15309 df-re 15310 df-im 15311 df-sqrt 15445 df-abs 15446 df-struct 17369 df-slot 17404 df-ndx 17416 df-base 17432 df-plusg 17486 df-mulr 17487 df-starv 17488 df-tset 17492 df-ple 17493 df-ds 17495 df-unif 17496 df-euf 17499 df-cnfld 21730 |
| This theorem is used by: zringeuf 21815 |
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