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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 2234 |
. . . . . 6
| |
| 2 | 1 | txval 15246 |
. . . . 5
|
| 3 | 2 | adantr 276 |
. . . 4
|
| 4 | 3 | oveq1d 6073 |
. . 3
|
| 5 | 1 | txbasex 15248 |
. . . 4
|
| 6 | xpexg 4869 |
. . . 4
| |
| 7 | tgrest 15160 |
. . . 4
| |
| 8 | 5, 6, 7 | syl2an 289 |
. . 3
|
| 9 | elrest 13543 |
. . . . . . . 8
| |
| 10 | 5, 6, 9 | syl2an 289 |
. . . . . . 7
|
| 11 | vex 2818 |
. . . . . . . . . . 11
| |
| 12 | 11 | inex1 4249 |
. . . . . . . . . 10
|
| 13 | 12 | a1i 9 |
. . . . . . . . 9
|
| 14 | elrest 13543 |
. . . . . . . . . 10
| |
| 15 | 14 | ad2ant2r 509 |
. . . . . . . . 9
|
| 16 | xpeq1 4768 |
. . . . . . . . . . . 12
| |
| 17 | 16 | eqeq2d 2246 |
. . . . . . . . . . 11
|
| 18 | 17 | rexbidv 2545 |
. . . . . . . . . 10
|
| 19 | vex 2818 |
. . . . . . . . . . . . 13
| |
| 20 | 19 | inex1 4249 |
. . . . . . . . . . . 12
|
| 21 | 20 | a1i 9 |
. . . . . . . . . . 11
|
| 22 | elrest 13543 |
. . . . . . . . . . . 12
| |
| 23 | 22 | ad2ant2l 508 |
. . . . . . . . . . 11
|
| 24 | xpeq2 4769 |
. . . . . . . . . . . . 13
| |
| 25 | 24 | eqeq2d 2246 |
. . . . . . . . . . . 12
|
| 26 | 25 | adantl 277 |
. . . . . . . . . . 11
|
| 27 | 21, 23, 26 | rexxfr2d 4591 |
. . . . . . . . . 10
|
| 28 | 18, 27 | sylan9bbr 463 |
. . . . . . . . 9
|
| 29 | 13, 15, 28 | rexxfr2d 4591 |
. . . . . . . 8
|
| 30 | 11, 19 | xpex 4871 |
. . . . . . . . . 10
|
| 31 | 30 | rgen2w 2600 |
. . . . . . . . 9
|
| 32 | eqid 2234 |
. . . . . . . . . 10
| |
| 33 | ineq1 3419 |
. . . . . . . . . . . 12
| |
| 34 | inxp 4894 |
. . . . . . . . . . . 12
| |
| 35 | 33, 34 | eqtrdi 2283 |
. . . . . . . . . . 11
|
| 36 | 35 | eqeq2d 2246 |
. . . . . . . . . 10
|
| 37 | 32, 36 | rexrnmpo 6177 |
. . . . . . . . 9
|
| 38 | 31, 37 | ax-mp 5 |
. . . . . . . 8
|
| 39 | 29, 38 | bitr4di 198 |
. . . . . . 7
|
| 40 | 10, 39 | bitr4d 191 |
. . . . . 6
|
| 41 | 40 | abbi2dv 2355 |
. . . . 5
|
| 42 | eqid 2234 |
. . . . . 6
| |
| 43 | 42 | rnmpo 6172 |
. . . . 5
|
| 44 | 41, 43 | eqtr4di 2285 |
. . . 4
|
| 45 | 44 | fveq2d 5679 |
. . 3
|
| 46 | 4, 8, 45 | 3eqtr2d 2273 |
. 2
|
| 47 | restfn 13540 |
. . . 4
| |
| 48 | simpll 527 |
. . . . 5
| |
| 49 | 48 | elexd 2829 |
. . . 4
|
| 50 | simprl 531 |
. . . . 5
| |
| 51 | 50 | elexd 2829 |
. . . 4
|
| 52 | fnovex 6091 |
. . . 4
| |
| 53 | 47, 49, 51, 52 | mp3an2i 1379 |
. . 3
|
| 54 | simplr 529 |
. . . . 5
| |
| 55 | 54 | elexd 2829 |
. . . 4
|
| 56 | simprr 533 |
. . . . 5
| |
| 57 | 56 | elexd 2829 |
. . . 4
|
| 58 | fnovex 6091 |
. . . 4
| |
| 59 | 47, 55, 57, 58 | mp3an2i 1379 |
. . 3
|
| 60 | eqid 2234 |
. . . 4
| |
| 61 | 60 | txval 15246 |
. . 3
|
| 62 | 53, 59, 61 | syl2anc 411 |
. 2
|
| 63 | 46, 62 | eqtr4d 2270 |
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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4230 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-ov 6061 df-oprab 6062 df-mpo 6063 df-1st 6347 df-2nd 6348 df-rest 13538 df-topgen 13557 df-tx 15244 |
| This theorem is referenced by: cnmpt2res 15288 limccnp2cntop 15668 |
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