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Mirrors > Home > MPE Home > Th. List > txuni2 | Structured version Visualization version Unicode version |
Description: The underlying set of the product of two topologies. (Contributed by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
txval.1 | |
txuni2.1 | |
txuni2.2 |
Ref | Expression |
---|---|
txuni2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relxp 5227 | . . 3 | |
2 | txuni2.1 | . . . . . . . 8 | |
3 | 2 | eleq2i 2693 | . . . . . . 7 |
4 | eluni2 4440 | . . . . . . 7 | |
5 | 3, 4 | bitri 264 | . . . . . 6 |
6 | txuni2.2 | . . . . . . . 8 | |
7 | 6 | eleq2i 2693 | . . . . . . 7 |
8 | eluni2 4440 | . . . . . . 7 | |
9 | 7, 8 | bitri 264 | . . . . . 6 |
10 | 5, 9 | anbi12i 733 | . . . . 5 |
11 | opelxp 5146 | . . . . 5 | |
12 | reeanv 3107 | . . . . 5 | |
13 | 10, 11, 12 | 3bitr4i 292 | . . . 4 |
14 | opelxp 5146 | . . . . . 6 | |
15 | eqid 2622 | . . . . . . . . . 10 | |
16 | xpeq1 5128 | . . . . . . . . . . . 12 | |
17 | 16 | eqeq2d 2632 | . . . . . . . . . . 11 |
18 | xpeq2 5129 | . . . . . . . . . . . 12 | |
19 | 18 | eqeq2d 2632 | . . . . . . . . . . 11 |
20 | 17, 19 | rspc2ev 3324 | . . . . . . . . . 10 |
21 | 15, 20 | mp3an3 1413 | . . . . . . . . 9 |
22 | vex 3203 | . . . . . . . . . . 11 | |
23 | vex 3203 | . . . . . . . . . . 11 | |
24 | 22, 23 | xpex 6962 | . . . . . . . . . 10 |
25 | eqeq1 2626 | . . . . . . . . . . 11 | |
26 | 25 | 2rexbidv 3057 | . . . . . . . . . 10 |
27 | txval.1 | . . . . . . . . . . 11 | |
28 | eqid 2622 | . . . . . . . . . . . 12 | |
29 | 28 | rnmpt2 6770 | . . . . . . . . . . 11 |
30 | 27, 29 | eqtri 2644 | . . . . . . . . . 10 |
31 | 24, 26, 30 | elab2 3354 | . . . . . . . . 9 |
32 | 21, 31 | sylibr 224 | . . . . . . . 8 |
33 | elssuni 4467 | . . . . . . . 8 | |
34 | 32, 33 | syl 17 | . . . . . . 7 |
35 | 34 | sseld 3602 | . . . . . 6 |
36 | 14, 35 | syl5bir 233 | . . . . 5 |
37 | 36 | rexlimivv 3036 | . . . 4 |
38 | 13, 37 | sylbi 207 | . . 3 |
39 | 1, 38 | relssi 5211 | . 2 |
40 | elssuni 4467 | . . . . . . . . . 10 | |
41 | 40, 2 | syl6sseqr 3652 | . . . . . . . . 9 |
42 | elssuni 4467 | . . . . . . . . . 10 | |
43 | 42, 6 | syl6sseqr 3652 | . . . . . . . . 9 |
44 | xpss12 5225 | . . . . . . . . 9 | |
45 | 41, 43, 44 | syl2an 494 | . . . . . . . 8 |
46 | vex 3203 | . . . . . . . . . 10 | |
47 | vex 3203 | . . . . . . . . . 10 | |
48 | 46, 47 | xpex 6962 | . . . . . . . . 9 |
49 | 48 | elpw 4164 | . . . . . . . 8 |
50 | 45, 49 | sylibr 224 | . . . . . . 7 |
51 | 50 | rgen2 2975 | . . . . . 6 |
52 | 28 | fmpt2 7237 | . . . . . 6 |
53 | 51, 52 | mpbi 220 | . . . . 5 |
54 | frn 6053 | . . . . 5 | |
55 | 53, 54 | ax-mp 5 | . . . 4 |
56 | 27, 55 | eqsstri 3635 | . . 3 |
57 | sspwuni 4611 | . . 3 | |
58 | 56, 57 | mpbi 220 | . 2 |
59 | 39, 58 | eqssi 3619 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wa 384 wceq 1483 wcel 1990 cab 2608 wral 2912 wrex 2913 wss 3574 cpw 4158 cop 4183 cuni 4436 cxp 5112 crn 5115 wf 5884 cmpt2 6652 |
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-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-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-fv 5896 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 |
This theorem is referenced by: txbasex 21369 txtopon 21394 sxsigon 30255 |
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