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| Mirrors > Home > ILE Home > Th. List > tgcnp | Unicode version | ||
| Description: The "continuous at a point" predicate when the range is given by a basis for a topology. (Contributed by Mario Carneiro, 3-Feb-2015.) (Revised by Mario Carneiro, 22-Aug-2015.) |
| Ref | Expression |
|---|---|
| tgcn.1 |
|
| tgcn.3 |
|
| tgcn.4 |
|
| tgcnp.5 |
|
| Ref | Expression |
|---|---|
| tgcnp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgcn.1 |
. . . 4
| |
| 2 | tgcn.4 |
. . . 4
| |
| 3 | tgcnp.5 |
. . . 4
| |
| 4 | iscnp 15223 |
. . . 4
| |
| 5 | 1, 2, 3, 4 | syl3anc 1278 |
. . 3
|
| 6 | tgcn.3 |
. . . . . . . . 9
| |
| 7 | topontop 15038 |
. . . . . . . . . 10
| |
| 8 | 2, 7 | syl 14 |
. . . . . . . . 9
|
| 9 | 6, 8 | eqeltrrd 2316 |
. . . . . . . 8
|
| 10 | tgclb 15089 |
. . . . . . . 8
| |
| 11 | 9, 10 | sylibr 134 |
. . . . . . 7
|
| 12 | bastg 15085 |
. . . . . . 7
| |
| 13 | 11, 12 | syl 14 |
. . . . . 6
|
| 14 | 13, 6 | sseqtrrd 3287 |
. . . . 5
|
| 15 | ssralv 3312 |
. . . . 5
| |
| 16 | 14, 15 | syl 14 |
. . . 4
|
| 17 | 16 | anim2d 337 |
. . 3
|
| 18 | 5, 17 | sylbid 150 |
. 2
|
| 19 | 6 | eleq2d 2308 |
. . . . . . 7
|
| 20 | 19 | biimpa 296 |
. . . . . 6
|
| 21 | tg2 15084 |
. . . . . . . . 9
| |
| 22 | r19.29 2688 |
. . . . . . . . . . 11
| |
| 23 | sstr 3256 |
. . . . . . . . . . . . . . . . . 18
| |
| 24 | 23 | expcom 116 |
. . . . . . . . . . . . . . . . 17
|
| 25 | 24 | anim2d 337 |
. . . . . . . . . . . . . . . 16
|
| 26 | 25 | reximdv 2651 |
. . . . . . . . . . . . . . 15
|
| 27 | 26 | com12 30 |
. . . . . . . . . . . . . 14
|
| 28 | 27 | imim2i 12 |
. . . . . . . . . . . . 13
|
| 29 | 28 | imp32 257 |
. . . . . . . . . . . 12
|
| 30 | 29 | rexlimivw 2664 |
. . . . . . . . . . 11
|
| 31 | 22, 30 | syl 14 |
. . . . . . . . . 10
|
| 32 | 31 | expcom 116 |
. . . . . . . . 9
|
| 33 | 21, 32 | syl 14 |
. . . . . . . 8
|
| 34 | 33 | ex 115 |
. . . . . . 7
|
| 35 | 34 | com23 78 |
. . . . . 6
|
| 36 | 20, 35 | syl 14 |
. . . . 5
|
| 37 | 36 | ralrimdva 2630 |
. . . 4
|
| 38 | 37 | anim2d 337 |
. . 3
|
| 39 | iscnp 15223 |
. . . 4
| |
| 40 | 1, 2, 3, 39 | syl3anc 1278 |
. . 3
|
| 41 | 38, 40 | sylibrd 169 |
. 2
|
| 42 | 18, 41 | impbid 129 |
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 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-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 |
| 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-ral 2533 df-rex 2534 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-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-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-map 6914 df-topgen 13591 df-top 15022 df-topon 15035 df-bases 15067 df-cnp 15213 |
| This theorem is referenced by: txcnp 15295 metcnp3 15535 |
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