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| Mirrors > Home > MPE Home > Th. List > eltpsg | Structured version Visualization version GIF version | ||
| Description: Properties that determine a topological space from a construction (using no explicit indices). (Contributed by Mario Carneiro, 13-Aug-2015.) (Revised by AV, 31-Oct-2024.) |
| Ref | Expression |
|---|---|
| eltpsi.k | ⊢ 𝐾 = {〈(Base‘ndx), 𝐴〉, 〈(TopSet‘ndx), 𝐽〉} |
| Ref | Expression |
|---|---|
| eltpsg | ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐾 ∈ TopSp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eltpsi.k | . . . . 5 ⊢ 𝐾 = {〈(Base‘ndx), 𝐴〉, 〈(TopSet‘ndx), 𝐽〉} | |
| 2 | basendxlttsetndx 17535 | . . . . 5 ⊢ (Base‘ndx) < (TopSet‘ndx) | |
| 3 | tsetndxnn 17534 | . . . . 5 ⊢ (TopSet‘ndx) ∈ ℕ | |
| 4 | tsetid 17533 | . . . . 5 ⊢ TopSet = Slot (TopSet‘ndx) | |
| 5 | 1, 2, 3, 4 | 2strop 17416 | . . . 4 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐽 = (TopSet‘𝐾)) |
| 6 | toponmax 23253 | . . . . . 6 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐴 ∈ 𝐽) | |
| 7 | 1, 2, 3 | 2strbas 17415 | . . . . . 6 ⊢ (𝐴 ∈ 𝐽 → 𝐴 = (Base‘𝐾)) |
| 8 | 6, 7 | syl 18 | . . . . 5 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐴 = (Base‘𝐾)) |
| 9 | 8 | fveq2d 6894 | . . . 4 ⊢ (𝐽 ∈ (TopOn‘𝐴) → (TopOn‘𝐴) = (TopOn‘(Base‘𝐾))) |
| 10 | 5, 9 | eleq12d 2854 | . . 3 ⊢ (𝐽 ∈ (TopOn‘𝐴) → (𝐽 ∈ (TopOn‘𝐴) ↔ (TopSet‘𝐾) ∈ (TopOn‘(Base‘𝐾)))) |
| 11 | 10 | ibi 270 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝐴) → (TopSet‘𝐾) ∈ (TopOn‘(Base‘𝐾))) |
| 12 | eqid 2760 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 13 | eqid 2760 | . . 3 ⊢ (TopSet‘𝐾) = (TopSet‘𝐾) | |
| 14 | 12, 13 | tsettps 23268 | . 2 ⊢ ((TopSet‘𝐾) ∈ (TopOn‘(Base‘𝐾)) → 𝐾 ∈ TopSp) |
| 15 | 11, 14 | syl 18 | 1 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐾 ∈ TopSp) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 {cpr 4586 〈cop 4834 ‘cfv 6543 ndxcnx 17380 Basecbs 17396 TopSetcts 17443 TopOnctopon 23237 TopSpctps 23259 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-1o 8483 df-er 8724 df-en 8981 df-dom 8982 df-sdom 8983 df-fin 8984 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-z 12701 df-uz 12973 df-fz 13647 df-struct 17334 df-slot 17369 df-ndx 17381 df-base 17397 df-tset 17456 df-rest 17602 df-topn 17603 df-top 23221 df-topon 23238 df-topsp 23260 |
| This theorem is used by: eltpsi 23271 stoig 23490 |
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