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Mirrors > Home > MPE Home > Th. List > txrest | Structured version Visualization version 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 | ↾t ↾t ↾t |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2622 | . . . . . 6 | |
2 | 1 | txval 21367 | . . . . 5 |
3 | 2 | adantr 481 | . . . 4 |
4 | 3 | oveq1d 6665 | . . 3 ↾t ↾t |
5 | 1 | txbasex 21369 | . . . 4 |
6 | xpexg 6960 | . . . 4 | |
7 | tgrest 20963 | . . . 4 ↾t ↾t | |
8 | 5, 6, 7 | syl2an 494 | . . 3 ↾t ↾t |
9 | elrest 16088 | . . . . . . . 8 ↾t | |
10 | 5, 6, 9 | syl2an 494 | . . . . . . 7 ↾t |
11 | vex 3203 | . . . . . . . . . . 11 | |
12 | 11 | inex1 4799 | . . . . . . . . . 10 |
13 | 12 | a1i 11 | . . . . . . . . 9 |
14 | elrest 16088 | . . . . . . . . . 10 ↾t | |
15 | 14 | ad2ant2r 783 | . . . . . . . . 9 ↾t |
16 | xpeq1 5128 | . . . . . . . . . . . 12 | |
17 | 16 | eqeq2d 2632 | . . . . . . . . . . 11 |
18 | 17 | rexbidv 3052 | . . . . . . . . . 10 ↾t ↾t |
19 | vex 3203 | . . . . . . . . . . . . 13 | |
20 | 19 | inex1 4799 | . . . . . . . . . . . 12 |
21 | 20 | a1i 11 | . . . . . . . . . . 11 |
22 | elrest 16088 | . . . . . . . . . . . 12 ↾t | |
23 | 22 | ad2ant2l 782 | . . . . . . . . . . 11 ↾t |
24 | xpeq2 5129 | . . . . . . . . . . . . 13 | |
25 | 24 | eqeq2d 2632 | . . . . . . . . . . . 12 |
26 | 25 | adantl 482 | . . . . . . . . . . 11 |
27 | 21, 23, 26 | rexxfr2d 4883 | . . . . . . . . . 10 ↾t |
28 | 18, 27 | sylan9bbr 737 | . . . . . . . . 9 ↾t |
29 | 13, 15, 28 | rexxfr2d 4883 | . . . . . . . 8 ↾t ↾t |
30 | 11, 19 | xpex 6962 | . . . . . . . . . 10 |
31 | 30 | rgen2w 2925 | . . . . . . . . 9 |
32 | eqid 2622 | . . . . . . . . . 10 | |
33 | ineq1 3807 | . . . . . . . . . . . 12 | |
34 | inxp 5254 | . . . . . . . . . . . 12 | |
35 | 33, 34 | syl6eq 2672 | . . . . . . . . . . 11 |
36 | 35 | eqeq2d 2632 | . . . . . . . . . 10 |
37 | 32, 36 | rexrnmpt2 6776 | . . . . . . . . 9 |
38 | 31, 37 | ax-mp 5 | . . . . . . . 8 |
39 | 29, 38 | syl6bbr 278 | . . . . . . 7 ↾t ↾t |
40 | 10, 39 | bitr4d 271 | . . . . . 6 ↾t ↾t ↾t |
41 | 40 | abbi2dv 2742 | . . . . 5 ↾t ↾t ↾t |
42 | eqid 2622 | . . . . . 6 ↾t ↾t ↾t ↾t | |
43 | 42 | rnmpt2 6770 | . . . . 5 ↾t ↾t ↾t ↾t |
44 | 41, 43 | syl6eqr 2674 | . . . 4 ↾t ↾t ↾t |
45 | 44 | fveq2d 6195 | . . 3 ↾t ↾t ↾t |
46 | 4, 8, 45 | 3eqtr2d 2662 | . 2 ↾t ↾t ↾t |
47 | ovex 6678 | . . 3 ↾t | |
48 | ovex 6678 | . . 3 ↾t | |
49 | eqid 2622 | . . . 4 ↾t ↾t ↾t ↾t | |
50 | 49 | txval 21367 | . . 3 ↾t ↾t ↾t ↾t ↾t ↾t |
51 | 47, 48, 50 | mp2an 708 | . 2 ↾t ↾t ↾t ↾t |
52 | 46, 51 | syl6eqr 2674 | 1 ↾t ↾t ↾t |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 cab 2608 wral 2912 wrex 2913 cvv 3200 cin 3573 cxp 5112 crn 5115 cfv 5888 (class class class)co 6650 cmpt2 6652 ↾t crest 16081 ctg 16098 ctx 21363 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-rest 16083 df-topgen 16104 df-tx 21365 |
This theorem is referenced by: txlly 21439 txnlly 21440 txkgen 21455 cnmpt2res 21480 xkoinjcn 21490 cnmpt2pc 22727 cnheiborlem 22753 lhop1lem 23776 cxpcn3 24489 raddcn 29975 cvmlift2lem6 31290 cvmlift2lem9 31293 cvmlift2lem12 31296 |
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