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Mirrors > Home > ILE Home > Th. List > cnmpt1t | Unicode version |
Description: The composition of continuous functions is continuous. (Contributed by Mario Carneiro, 5-May-2014.) (Revised by Mario Carneiro, 22-Aug-2015.) |
Ref | Expression |
---|---|
cnmptid.j |
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cnmpt11.a |
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cnmpt1t.b |
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Ref | Expression |
---|---|
cnmpt1t |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnmptid.j |
. . . 4
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2 | toponuni 14183 |
. . . 4
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3 | mpteq1 4113 |
. . . 4
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4 | 1, 2, 3 | 3syl 17 |
. . 3
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5 | simpr 110 |
. . . . . 6
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6 | cnmpt11.a |
. . . . . . . . . 10
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7 | cntop2 14370 |
. . . . . . . . . 10
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8 | 6, 7 | syl 14 |
. . . . . . . . 9
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9 | toptopon2 14187 |
. . . . . . . . 9
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10 | 8, 9 | sylib 122 |
. . . . . . . 8
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11 | cnf2 14373 |
. . . . . . . 8
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12 | 1, 10, 6, 11 | syl3anc 1249 |
. . . . . . 7
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13 | 12 | fvmptelcdm 5711 |
. . . . . 6
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14 | eqid 2193 |
. . . . . . 7
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15 | 14 | fvmpt2 5641 |
. . . . . 6
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16 | 5, 13, 15 | syl2anc 411 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
17 | cnmpt1t.b |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
18 | cntop2 14370 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
19 | 17, 18 | syl 14 |
. . . . . . . . 9
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20 | toptopon2 14187 |
. . . . . . . . 9
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
21 | 19, 20 | sylib 122 |
. . . . . . . 8
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22 | cnf2 14373 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
23 | 1, 21, 17, 22 | syl3anc 1249 |
. . . . . . 7
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24 | 23 | fvmptelcdm 5711 |
. . . . . 6
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25 | eqid 2193 |
. . . . . . 7
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26 | 25 | fvmpt2 5641 |
. . . . . 6
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27 | 5, 24, 26 | syl2anc 411 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
28 | 16, 27 | opeq12d 3812 |
. . . 4
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29 | 28 | mpteq2dva 4119 |
. . 3
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30 | 4, 29 | eqtr3d 2228 |
. 2
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31 | eqid 2193 |
. . . 4
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32 | nfcv 2336 |
. . . . 5
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33 | nffvmpt1 5565 |
. . . . . 6
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34 | nffvmpt1 5565 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
35 | 33, 34 | nfop 3820 |
. . . . 5
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36 | fveq2 5554 |
. . . . . 6
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37 | fveq2 5554 |
. . . . . 6
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38 | 36, 37 | opeq12d 3812 |
. . . . 5
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39 | 32, 35, 38 | cbvmpt 4124 |
. . . 4
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40 | 31, 39 | txcnmpt 14441 |
. . 3
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41 | 6, 17, 40 | syl2anc 411 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
42 | 30, 41 | eqeltrrd 2271 |
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-coll 4144 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-reu 2479 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-f1 5259 df-fo 5260 df-f1o 5261 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 df-tx 14421 |
This theorem is referenced by: cnmpt12f 14454 imasnopn 14467 cnrehmeocntop 14764 |
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