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| Mirrors > Home > ILE Home > Th. List > cntopex | Unicode version | ||
| Description: The standard topology on the complex numbers is a set. (Contributed by Jim Kingdon, 25-Sep-2025.) |
| Ref | Expression |
|---|---|
| cntopex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cndsex 14359 |
. 2
| |
| 2 | mopnset 14358 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-coll 4163 ax-sep 4166 ax-pow 4222 ax-pr 4257 ax-un 4484 ax-cnex 8023 ax-resscn 8024 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-reu 2492 df-rab 2494 df-v 2775 df-sbc 3000 df-csb 3095 df-un 3171 df-in 3173 df-ss 3180 df-pw 3619 df-sn 3640 df-pr 3641 df-op 3643 df-uni 3853 df-iun 3931 df-br 4048 df-opab 4110 df-mpt 4111 df-id 4344 df-xp 4685 df-rel 4686 df-cnv 4687 df-co 4688 df-dm 4689 df-rn 4690 df-res 4691 df-ima 4692 df-iota 5237 df-fun 5278 df-fn 5279 df-f 5280 df-f1 5281 df-fo 5282 df-f1o 5283 df-fv 5284 df-oprab 5955 df-mpo 5956 df-1st 6233 df-2nd 6234 df-pnf 8116 df-mnf 8117 df-xr 8118 df-sub 8252 df-abs 11354 df-topgen 13136 df-bl 14352 df-mopn 14353 |
| This theorem is referenced by: cnfldstr 14364 cnfldtset 14372 |
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