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| Mirrors > Home > ILE Home > Th. List > cntoptopon | GIF version | ||
| Description: The topology of the complex numbers is a topology. (Contributed by Jim Kingdon, 6-Jun-2023.) |
| Ref | Expression |
|---|---|
| cntoptopn.1 | ⊢ 𝐽 = (MetOpen‘(abs ∘ − )) |
| Ref | Expression |
|---|---|
| cntoptopon | ⊢ 𝐽 ∈ (TopOn‘ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnxmet 15221 | . 2 ⊢ (abs ∘ − ) ∈ (∞Met‘ℂ) | |
| 2 | cntoptopn.1 | . . 3 ⊢ 𝐽 = (MetOpen‘(abs ∘ − )) | |
| 3 | 2 | mopntopon 15133 | . 2 ⊢ ((abs ∘ − ) ∈ (∞Met‘ℂ) → 𝐽 ∈ (TopOn‘ℂ)) |
| 4 | 1, 3 | ax-mp 5 | 1 ⊢ 𝐽 ∈ (TopOn‘ℂ) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 ∈ wcel 2200 ∘ ccom 4723 ‘cfv 5318 ℂcc 8008 − cmin 8328 abscabs 11524 ∞Metcxmet 14516 MetOpencmopn 14521 TopOnctopon 14700 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-iinf 4680 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-mulrcl 8109 ax-addcom 8110 ax-mulcom 8111 ax-addass 8112 ax-mulass 8113 ax-distr 8114 ax-i2m1 8115 ax-0lt1 8116 ax-1rid 8117 ax-0id 8118 ax-rnegex 8119 ax-precex 8120 ax-cnre 8121 ax-pre-ltirr 8122 ax-pre-ltwlin 8123 ax-pre-lttrn 8124 ax-pre-apti 8125 ax-pre-ltadd 8126 ax-pre-mulgt0 8127 ax-pre-mulext 8128 ax-arch 8129 ax-caucvg 8130 |
| This theorem depends on definitions: df-bi 117 df-stab 836 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-id 4384 df-po 4387 df-iso 4388 df-iord 4457 df-on 4459 df-ilim 4460 df-suc 4462 df-iom 4683 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-isom 5327 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-1st 6292 df-2nd 6293 df-recs 6457 df-frec 6543 df-map 6805 df-sup 7162 df-inf 7163 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 df-sub 8330 df-neg 8331 df-reap 8733 df-ap 8740 df-div 8831 df-inn 9122 df-2 9180 df-3 9181 df-4 9182 df-n0 9381 df-z 9458 df-uz 9734 df-q 9827 df-rp 9862 df-xneg 9980 df-xadd 9981 df-seqfrec 10682 df-exp 10773 df-cj 11369 df-re 11370 df-im 11371 df-rsqrt 11525 df-abs 11526 df-topgen 13309 df-psmet 14523 df-xmet 14524 df-met 14525 df-bl 14526 df-mopn 14527 df-top 14688 df-topon 14701 df-bases 14733 |
| This theorem is referenced by: cntoptop 15223 unicntopcntop 15232 divcnap 15255 fsumcncntop 15257 cncfcn1cntop 15284 cncfmpt2fcntop 15289 cnrehmeocntop 15300 cnplimcim 15357 cnlimcim 15361 cnlimc 15362 limccnpcntop 15365 limccnp2lem 15366 limccnp2cntop 15367 reldvg 15369 dvfvalap 15371 dvbss 15375 dvfgg 15378 dvidlemap 15381 dvcnp2cntop 15389 dvcn 15390 dvaddxxbr 15391 dvmulxxbr 15392 dvcoapbr 15397 dvcjbr 15398 dvrecap 15403 dveflem 15416 |
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