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| Mirrors > Home > ILE Home > Th. List > eltpsg | GIF version | ||
| Description: Properties that determine a topological space from a construction (using no explicit indices). (Contributed by Mario Carneiro, 13-Aug-2015.) |
| Ref | Expression |
|---|---|
| eltpsi.k | ⊢ 𝐾 = {〈(Base‘ndx), 𝐴〉, 〈(TopSet‘ndx), 𝐽〉} |
| Ref | Expression |
|---|---|
| eltpsg | ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐾 ∈ TopSp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | toponmax 15049 | . . . . 5 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐴 ∈ 𝐽) | |
| 2 | eltpsi.k | . . . . . 6 ⊢ 𝐾 = {〈(Base‘ndx), 𝐴〉, 〈(TopSet‘ndx), 𝐽〉} | |
| 3 | df-tset 13427 | . . . . . 6 ⊢ TopSet = Slot 9 | |
| 4 | 1lt9 9488 | . . . . . 6 ⊢ 1 < 9 | |
| 5 | 9nn 9452 | . . . . . 6 ⊢ 9 ∈ ℕ | |
| 6 | 2, 3, 4, 5 | 2stropg 13452 | . . . . 5 ⊢ ((𝐴 ∈ 𝐽 ∧ 𝐽 ∈ (TopOn‘𝐴)) → 𝐽 = (TopSet‘𝐾)) |
| 7 | 1, 6 | mpancom 426 | . . . 4 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐽 = (TopSet‘𝐾)) |
| 8 | 2, 3, 4, 5 | 2strbasg 13451 | . . . . . 6 ⊢ ((𝐴 ∈ 𝐽 ∧ 𝐽 ∈ (TopOn‘𝐴)) → 𝐴 = (Base‘𝐾)) |
| 9 | 1, 8 | mpancom 426 | . . . . 5 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐴 = (Base‘𝐾)) |
| 10 | 9 | fveq2d 5694 | . . . 4 ⊢ (𝐽 ∈ (TopOn‘𝐴) → (TopOn‘𝐴) = (TopOn‘(Base‘𝐾))) |
| 11 | 7, 10 | eleq12d 2309 | . . 3 ⊢ (𝐽 ∈ (TopOn‘𝐴) → (𝐽 ∈ (TopOn‘𝐴) ↔ (TopSet‘𝐾) ∈ (TopOn‘(Base‘𝐾)))) |
| 12 | 11 | ibi 176 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝐴) → (TopSet‘𝐾) ∈ (TopOn‘(Base‘𝐾))) |
| 13 | eqid 2238 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 14 | eqid 2238 | . . 3 ⊢ (TopSet‘𝐾) = (TopSet‘𝐾) | |
| 15 | 13, 14 | tsettps 15062 | . 2 ⊢ ((TopSet‘𝐾) ∈ (TopOn‘(Base‘𝐾)) → 𝐾 ∈ TopSp) |
| 16 | 12, 15 | syl 14 | 1 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐾 ∈ TopSp) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1402 ∈ wcel 2209 {cpr 3706 〈cop 3708 ‘cfv 5372 9c9 9341 ndxcnx 13327 Basecbs 13330 TopSetcts 13414 TopOnctopon 15034 TopSpctps 15054 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-i2m1 8274 ax-0lt1 8275 ax-0id 8277 ax-rnegex 8278 ax-pre-ltirr 8281 ax-pre-lttrn 8283 ax-pre-ltadd 8285 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-pnf 8352 df-mnf 8353 df-ltxr 8355 df-inn 9284 df-2 9342 df-3 9343 df-4 9344 df-5 9345 df-6 9346 df-7 9347 df-8 9348 df-9 9349 df-ndx 13333 df-slot 13334 df-base 13336 df-tset 13427 df-rest 13572 df-topn 13573 df-top 15022 df-topon 15035 df-topsp 15055 |
| This theorem is referenced by: eltpsi 15065 stoig 15197 |
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