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| Mirrors > Home > ILE Home > Th. List > eltpsi | GIF version | ||
| Description: Properties that determine a topological space from a construction (using no explicit indices). (Contributed by NM, 20-Oct-2012.) (Revised by Mario Carneiro, 13-Aug-2015.) |
| Ref | Expression |
|---|---|
| eltpsi.k | ⊢ 𝐾 = {〈(Base‘ndx), 𝐴〉, 〈(TopSet‘ndx), 𝐽〉} |
| eltpsi.u | ⊢ 𝐴 = ∪ 𝐽 |
| eltpsi.j | ⊢ 𝐽 ∈ Top |
| Ref | Expression |
|---|---|
| eltpsi | ⊢ 𝐾 ∈ TopSp |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eltpsi.j | . . 3 ⊢ 𝐽 ∈ Top | |
| 2 | eltpsi.u | . . . 4 ⊢ 𝐴 = ∪ 𝐽 | |
| 3 | 2 | toptopon 14875 | . . 3 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘𝐴)) |
| 4 | 1, 3 | mpbi 145 | . 2 ⊢ 𝐽 ∈ (TopOn‘𝐴) |
| 5 | eltpsi.k | . . 3 ⊢ 𝐾 = {〈(Base‘ndx), 𝐴〉, 〈(TopSet‘ndx), 𝐽〉} | |
| 6 | 5 | eltpsg 14897 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝐴) → 𝐾 ∈ TopSp) |
| 7 | 4, 6 | ax-mp 5 | 1 ⊢ 𝐾 ∈ TopSp |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 ∈ wcel 2203 {cpr 3689 〈cop 3691 ∪ cuni 3913 ‘cfv 5351 ndxcnx 13201 Basecbs 13204 TopSetcts 13288 Topctop 14854 TopOnctopon 14867 TopSpctps 14887 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-cnex 8217 ax-resscn 8218 ax-1cn 8219 ax-1re 8220 ax-icn 8221 ax-addcl 8222 ax-addrcl 8223 ax-mulcl 8224 ax-addcom 8226 ax-addass 8228 ax-i2m1 8231 ax-0lt1 8232 ax-0id 8234 ax-rnegex 8235 ax-pre-ltirr 8238 ax-pre-lttrn 8240 ax-pre-ltadd 8242 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-nul 3508 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-ov 6052 df-oprab 6053 df-mpo 6054 df-1st 6333 df-2nd 6334 df-pnf 8309 df-mnf 8310 df-ltxr 8312 df-inn 9237 df-2 9295 df-3 9296 df-4 9297 df-5 9298 df-6 9299 df-7 9300 df-8 9301 df-9 9302 df-ndx 13207 df-slot 13208 df-base 13210 df-tset 13301 df-rest 13446 df-topn 13447 df-top 14855 df-topon 14868 df-topsp 14888 |
| This theorem is referenced by: distps 14948 retps 15384 |
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