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Mirrors > Home > MPE Home > Th. List > 1st2nd2 | Structured version Visualization version GIF version |
Description: Reconstruction of a member of a Cartesian product in terms of its ordered pair components. (Contributed by NM, 20-Oct-2013.) |
Ref | Expression |
---|---|
1st2nd2 | ⊢ (𝐴 ∈ (𝐵 × 𝐶) → 𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elxp6 7091 | . 2 ⊢ (𝐴 ∈ (𝐵 × 𝐶) ↔ (𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉 ∧ ((1st ‘𝐴) ∈ 𝐵 ∧ (2nd ‘𝐴) ∈ 𝐶))) | |
2 | 1 | simplbi 475 | 1 ⊢ (𝐴 ∈ (𝐵 × 𝐶) → 𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 〈cop 4131 × cxp 5036 ‘cfv 5804 1st c1st 7057 2nd c2nd 7058 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-iota 5768 df-fun 5806 df-fv 5812 df-1st 7059 df-2nd 7060 |
This theorem is referenced by: 1st2ndb 7097 xpopth 7098 eqop 7099 2nd1st 7104 1st2nd 7105 opiota 7118 disjen 8002 xpmapenlem 8012 mapunen 8014 r0weon 8718 enqbreq2 9621 nqereu 9630 lterpq 9671 elreal2 9832 cnref1o 11703 ruclem6 14803 ruclem8 14805 ruclem9 14806 ruclem12 14809 eucalgval 15133 eucalginv 15135 eucalglt 15136 eucalg 15138 qnumdenbi 15290 isstruct2 15704 xpsff1o 16051 comfffval2 16184 comfeq 16189 idfucl 16364 funcpropd 16383 coapm 16544 xpccatid 16651 1stfcl 16660 2ndfcl 16661 1st2ndprf 16669 xpcpropd 16671 evlfcl 16685 hofcl 16722 hofpropd 16730 yonedalem3 16743 gsum2dlem2 18193 mdetunilem9 20245 tx1cn 21222 tx2cn 21223 txdis 21245 txlly 21249 txnlly 21250 txhaus 21260 txkgen 21265 txcon 21302 utop3cls 21865 ucnima 21895 fmucndlem 21905 psmetxrge0 21928 imasdsf1olem 21988 cnheiborlem 22561 caublcls 22915 bcthlem1 22929 bcthlem2 22930 bcthlem4 22932 bcthlem5 22933 ovolfcl 23042 ovolfioo 23043 ovolficc 23044 ovolficcss 23045 ovolfsval 23046 ovolicc2lem1 23092 ovolicc2lem5 23096 ovolfs2 23145 uniiccdif 23152 uniioovol 23153 uniiccvol 23154 uniioombllem2a 23156 uniioombllem2 23157 uniioombllem3a 23158 uniioombllem3 23159 uniioombllem4 23160 uniioombllem5 23161 uniioombllem6 23162 dyadmbl 23174 fsumvma 24738 wlkcpr 26057 isrusgusrgcl 26460 isrgrac 26461 0eusgraiff0rgracl 26468 ofpreima 28848 ofpreima2 28849 fimaproj 29228 1stmbfm 29649 2ndmbfm 29650 sibfof 29729 oddpwdcv 29744 txsconlem 30476 mpst123 30691 bj-elid 32262 poimirlem4 32583 poimirlem26 32605 poimirlem27 32606 mblfinlem1 32616 mblfinlem2 32617 ftc2nc 32664 heiborlem8 32787 dvhgrp 35414 dvhlveclem 35415 fvovco 38376 dvnprodlem1 38836 volioof 38880 fvvolioof 38882 fvvolicof 38884 etransclem44 39171 ovolval3 39537 ovolval4lem1 39539 ovolval5lem2 39543 ovnovollem1 39546 ovnovollem2 39547 smfpimbor1lem1 39683 |
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