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Mirrors > Home > ILE Home > Th. List > tgcn | Unicode version |
Description: The continuity predicate when the range is given by a basis for a topology. (Contributed by Mario Carneiro, 7-Feb-2015.) (Revised by Mario Carneiro, 22-Aug-2015.) |
Ref | Expression |
---|---|
tgcn.1 |
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tgcn.3 |
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tgcn.4 |
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Ref | Expression |
---|---|
tgcn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tgcn.1 |
. . 3
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2 | tgcn.4 |
. . 3
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3 | iscn 13736 |
. . 3
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4 | 1, 2, 3 | syl2anc 411 |
. 2
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5 | tgcn.3 |
. . . . . . . . 9
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6 | topontop 13553 |
. . . . . . . . . 10
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7 | 2, 6 | syl 14 |
. . . . . . . . 9
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8 | 5, 7 | eqeltrrd 2255 |
. . . . . . . 8
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9 | tgclb 13604 |
. . . . . . . 8
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10 | 8, 9 | sylibr 134 |
. . . . . . 7
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11 | bastg 13600 |
. . . . . . 7
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12 | 10, 11 | syl 14 |
. . . . . 6
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13 | 12, 5 | sseqtrrd 3196 |
. . . . 5
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14 | ssralv 3221 |
. . . . 5
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15 | 13, 14 | syl 14 |
. . . 4
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16 | 5 | eleq2d 2247 |
. . . . . . . . 9
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17 | eltg3 13596 |
. . . . . . . . . 10
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18 | 10, 17 | syl 14 |
. . . . . . . . 9
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19 | 16, 18 | bitrd 188 |
. . . . . . . 8
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20 | ssralv 3221 |
. . . . . . . . . . . 12
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21 | topontop 13553 |
. . . . . . . . . . . . . 14
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22 | 1, 21 | syl 14 |
. . . . . . . . . . . . 13
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
23 | iunopn 13541 |
. . . . . . . . . . . . . 14
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24 | 23 | ex 115 |
. . . . . . . . . . . . 13
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25 | 22, 24 | syl 14 |
. . . . . . . . . . . 12
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26 | 20, 25 | sylan9r 410 |
. . . . . . . . . . 11
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27 | imaeq2 4968 |
. . . . . . . . . . . . . 14
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28 | imauni 5764 |
. . . . . . . . . . . . . 14
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29 | 27, 28 | eqtrdi 2226 |
. . . . . . . . . . . . 13
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30 | 29 | eleq1d 2246 |
. . . . . . . . . . . 12
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31 | 30 | imbi2d 230 |
. . . . . . . . . . 11
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32 | 26, 31 | syl5ibrcom 157 |
. . . . . . . . . 10
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33 | 32 | expimpd 363 |
. . . . . . . . 9
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34 | 33 | exlimdv 1819 |
. . . . . . . 8
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35 | 19, 34 | sylbid 150 |
. . . . . . 7
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36 | 35 | imp 124 |
. . . . . 6
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37 | 36 | ralrimdva 2557 |
. . . . 5
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38 | imaeq2 4968 |
. . . . . . 7
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39 | 38 | eleq1d 2246 |
. . . . . 6
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40 | 39 | cbvralv 2705 |
. . . . 5
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41 | 37, 40 | imbitrdi 161 |
. . . 4
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42 | 15, 41 | impbid 129 |
. . 3
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43 | 42 | anbi2d 464 |
. 2
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44 | 4, 43 | bitrd 188 |
1
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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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-iun 3890 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-fv 5226 df-ov 5880 df-oprab 5881 df-mpo 5882 df-1st 6143 df-2nd 6144 df-map 6652 df-topgen 12714 df-top 13537 df-topon 13550 df-bases 13582 df-cn 13727 |
This theorem is referenced by: txcnmpt 13812 |
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