| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > istpsi | GIF version | ||
| Description: Properties that determine a topological space. (Contributed by NM, 20-Oct-2012.) |
| Ref | Expression |
|---|---|
| istpsi.b | ⊢ (Base‘𝐾) = 𝐴 |
| istpsi.j | ⊢ (TopOpen‘𝐾) = 𝐽 |
| istpsi.1 | ⊢ 𝐴 = ∪ 𝐽 |
| istpsi.2 | ⊢ 𝐽 ∈ Top |
| Ref | Expression |
|---|---|
| istpsi | ⊢ 𝐾 ∈ TopSp |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | istpsi.2 | . 2 ⊢ 𝐽 ∈ Top | |
| 2 | istpsi.1 | . 2 ⊢ 𝐴 = ∪ 𝐽 | |
| 3 | istpsi.b | . . . 4 ⊢ (Base‘𝐾) = 𝐴 | |
| 4 | 3 | eqcomi 2234 | . . 3 ⊢ 𝐴 = (Base‘𝐾) |
| 5 | istpsi.j | . . . 4 ⊢ (TopOpen‘𝐾) = 𝐽 | |
| 6 | 5 | eqcomi 2234 | . . 3 ⊢ 𝐽 = (TopOpen‘𝐾) |
| 7 | 4, 6 | istps2 14786 | . 2 ⊢ (𝐾 ∈ TopSp ↔ (𝐽 ∈ Top ∧ 𝐴 = ∪ 𝐽)) |
| 8 | 1, 2, 7 | mpbir2an 950 | 1 ⊢ 𝐾 ∈ TopSp |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 ∈ wcel 2201 ∪ cuni 3894 ‘cfv 5328 Basecbs 13105 TopOpenctopn 13346 Topctop 14750 TopSpctps 14783 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4205 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-cnex 8128 ax-resscn 8129 ax-1re 8131 ax-addrcl 8134 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-iun 3973 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-f1 5333 df-fo 5334 df-f1o 5335 df-fv 5336 df-ov 6026 df-oprab 6027 df-mpo 6028 df-1st 6308 df-2nd 6309 df-inn 9149 df-2 9207 df-3 9208 df-4 9209 df-5 9210 df-6 9211 df-7 9212 df-8 9213 df-9 9214 df-ndx 13108 df-slot 13109 df-base 13111 df-tset 13202 df-rest 13347 df-topn 13348 df-top 14751 df-topon 14764 df-topsp 14784 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |