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| Mirrors > Home > ILE Home > Th. List > topontopn | Unicode version | ||
| Description: Express the predicate "is a topological space". (Contributed by Mario Carneiro, 13-Aug-2015.) |
| Ref | Expression |
|---|---|
| tsettps.a |
|
| tsettps.j |
|
| Ref | Expression |
|---|---|
| topontopn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | topontop 14825 |
. . 3
| |
| 2 | tsetslid 13351 |
. . . . . 6
| |
| 3 | 2 | slotslfn 13188 |
. . . . 5
|
| 4 | fnrel 5435 |
. . . . 5
| |
| 5 | 3, 4 | ax-mp 5 |
. . . 4
|
| 6 | 0opn 14817 |
. . . . 5
| |
| 7 | tsettps.j |
. . . . 5
| |
| 8 | 6, 7 | eleqtrdi 2324 |
. . . 4
|
| 9 | relelfvdm 5680 |
. . . 4
| |
| 10 | 5, 8, 9 | sylancr 414 |
. . 3
|
| 11 | 1, 10 | syl 14 |
. 2
|
| 12 | toponuni 14826 |
. . . 4
| |
| 13 | eqimss2 3283 |
. . . 4
| |
| 14 | 12, 13 | syl 14 |
. . 3
|
| 15 | sspwuni 4060 |
. . 3
| |
| 16 | 14, 15 | sylibr 134 |
. 2
|
| 17 | tsettps.a |
. . 3
| |
| 18 | 17, 7 | topnidg 13415 |
. 2
|
| 19 | 11, 16, 18 | syl2anc 411 |
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-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 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1re 8186 ax-addrcl 8189 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-inn 9203 df-2 9261 df-3 9262 df-4 9263 df-5 9264 df-6 9265 df-7 9266 df-8 9267 df-9 9268 df-ndx 13165 df-slot 13166 df-base 13168 df-tset 13259 df-rest 13404 df-topn 13405 df-top 14809 df-topon 14822 |
| This theorem is referenced by: tsettps 14849 cnfldms 15347 cnfldtopn 15350 |
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