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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 14365 |
. . 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 14182 |
. . . . . . . . . 10
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7 | 2, 6 | syl 14 |
. . . . . . . . 9
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8 | 5, 7 | eqeltrrd 2271 |
. . . . . . . 8
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9 | tgclb 14233 |
. . . . . . . 8
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10 | 8, 9 | sylibr 134 |
. . . . . . 7
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11 | bastg 14229 |
. . . . . . 7
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12 | 10, 11 | syl 14 |
. . . . . 6
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13 | 12, 5 | sseqtrrd 3218 |
. . . . 5
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14 | ssralv 3243 |
. . . . 5
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15 | 13, 14 | syl 14 |
. . . 4
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16 | 5 | eleq2d 2263 |
. . . . . . . . 9
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17 | eltg3 14225 |
. . . . . . . . . 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 3243 |
. . . . . . . . . . . 12
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21 | topontop 14182 |
. . . . . . . . . . . . . 14
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22 | 1, 21 | syl 14 |
. . . . . . . . . . . . 13
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23 | iunopn 14170 |
. . . . . . . . . . . . . 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 5001 |
. . . . . . . . . . . . . 14
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28 | imauni 5804 |
. . . . . . . . . . . . . 14
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29 | 27, 28 | eqtrdi 2242 |
. . . . . . . . . . . . 13
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30 | 29 | eleq1d 2262 |
. . . . . . . . . . . 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 1830 |
. . . . . . . 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 2574 |
. . . . 5
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38 | imaeq2 5001 |
. . . . . . 7
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39 | 38 | eleq1d 2262 |
. . . . . 6
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40 | 39 | cbvralv 2726 |
. . . . 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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-iun 3914 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-fv 5262 df-ov 5921 df-oprab 5922 df-mpo 5923 df-1st 6193 df-2nd 6194 df-map 6704 df-topgen 12871 df-top 14166 df-topon 14179 df-bases 14211 df-cn 14356 |
This theorem is referenced by: txcnmpt 14441 |
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