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| Mirrors > Home > ILE Home > Th. List > txrest | Unicode version | ||
| Description: The subspace of a topological product space induced by a subset with a Cartesian product representation is a topological product of the subspaces induced by the subspaces of the terms of the products. (Contributed by Jeff Madsen, 2-Sep-2009.) (Proof shortened by Mario Carneiro, 2-Sep-2015.) |
| Ref | Expression |
|---|---|
| txrest |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2238 |
. . . . . 6
| |
| 2 | 1 | txval 15279 |
. . . . 5
|
| 3 | 2 | adantr 276 |
. . . 4
|
| 4 | 3 | oveq1d 6090 |
. . 3
|
| 5 | 1 | txbasex 15281 |
. . . 4
|
| 6 | xpexg 4884 |
. . . 4
| |
| 7 | tgrest 15193 |
. . . 4
| |
| 8 | 5, 6, 7 | syl2an 289 |
. . 3
|
| 9 | elrest 13577 |
. . . . . . . 8
| |
| 10 | 5, 6, 9 | syl2an 289 |
. . . . . . 7
|
| 11 | vex 2824 |
. . . . . . . . . . 11
| |
| 12 | 11 | inex1 4262 |
. . . . . . . . . 10
|
| 13 | 12 | a1i 9 |
. . . . . . . . 9
|
| 14 | elrest 13577 |
. . . . . . . . . 10
| |
| 15 | 14 | ad2ant2r 513 |
. . . . . . . . 9
|
| 16 | xpeq1 4783 |
. . . . . . . . . . . 12
| |
| 17 | 16 | eqeq2d 2250 |
. . . . . . . . . . 11
|
| 18 | 17 | rexbidv 2551 |
. . . . . . . . . 10
|
| 19 | vex 2824 |
. . . . . . . . . . . . 13
| |
| 20 | 19 | inex1 4262 |
. . . . . . . . . . . 12
|
| 21 | 20 | a1i 9 |
. . . . . . . . . . 11
|
| 22 | elrest 13577 |
. . . . . . . . . . . 12
| |
| 23 | 22 | ad2ant2l 512 |
. . . . . . . . . . 11
|
| 24 | xpeq2 4784 |
. . . . . . . . . . . . 13
| |
| 25 | 24 | eqeq2d 2250 |
. . . . . . . . . . . 12
|
| 26 | 25 | adantl 277 |
. . . . . . . . . . 11
|
| 27 | 21, 23, 26 | rexxfr2d 4606 |
. . . . . . . . . 10
|
| 28 | 18, 27 | sylan9bbr 467 |
. . . . . . . . 9
|
| 29 | 13, 15, 28 | rexxfr2d 4606 |
. . . . . . . 8
|
| 30 | 11, 19 | xpex 4886 |
. . . . . . . . . 10
|
| 31 | 30 | rgen2w 2606 |
. . . . . . . . 9
|
| 32 | eqid 2238 |
. . . . . . . . . 10
| |
| 33 | ineq1 3425 |
. . . . . . . . . . . 12
| |
| 34 | inxp 4909 |
. . . . . . . . . . . 12
| |
| 35 | 33, 34 | eqtrdi 2287 |
. . . . . . . . . . 11
|
| 36 | 35 | eqeq2d 2250 |
. . . . . . . . . 10
|
| 37 | 32, 36 | rexrnmpo 6194 |
. . . . . . . . 9
|
| 38 | 31, 37 | ax-mp 5 |
. . . . . . . 8
|
| 39 | 29, 38 | bitr4di 198 |
. . . . . . 7
|
| 40 | 10, 39 | bitr4d 191 |
. . . . . 6
|
| 41 | 40 | abbi2dv 2359 |
. . . . 5
|
| 42 | eqid 2238 |
. . . . . 6
| |
| 43 | 42 | rnmpo 6189 |
. . . . 5
|
| 44 | 41, 43 | eqtr4di 2289 |
. . . 4
|
| 45 | 44 | fveq2d 5694 |
. . 3
|
| 46 | 4, 8, 45 | 3eqtr2d 2277 |
. 2
|
| 47 | restfn 13574 |
. . . 4
| |
| 48 | simpll 531 |
. . . . 5
| |
| 49 | 48 | elexd 2835 |
. . . 4
|
| 50 | simprl 535 |
. . . . 5
| |
| 51 | 50 | elexd 2835 |
. . . 4
|
| 52 | fnovex 6108 |
. . . 4
| |
| 53 | 47, 49, 51, 52 | mp3an2i 1383 |
. . 3
|
| 54 | simplr 533 |
. . . . 5
| |
| 55 | 54 | elexd 2835 |
. . . 4
|
| 56 | simprr 537 |
. . . . 5
| |
| 57 | 56 | elexd 2835 |
. . . 4
|
| 58 | fnovex 6108 |
. . . 4
| |
| 59 | 47, 55, 57, 58 | mp3an2i 1383 |
. . 3
|
| 60 | eqid 2238 |
. . . 4
| |
| 61 | 60 | txval 15279 |
. . 3
|
| 62 | 53, 59, 61 | syl2anc 415 |
. 2
|
| 63 | 46, 62 | eqtr4d 2274 |
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-coll 4241 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-reu 2535 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-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-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-rest 13572 df-topgen 13591 df-tx 15277 |
| This theorem is referenced by: cnmpt2res 15321 limccnp2cntop 15701 |
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