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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 7972 | . 2 ⊢ (𝐴 ∈ (𝐵 × 𝐶) ↔ (𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉 ∧ ((1st ‘𝐴) ∈ 𝐵 ∧ (2nd ‘𝐴) ∈ 𝐶))) | |
| 2 | 1 | simplbi 497 | 1 ⊢ (𝐴 ∈ (𝐵 × 𝐶) → 𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 = wceq 1547 ∈ wcel 2119 〈cop 4568 × cxp 5623 ‘cfv 6492 1st c1st 7936 2nd c2nd 7937 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pr 5369 ax-un 7685 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-iota 6448 df-fun 6494 df-fv 6500 df-1st 7938 df-2nd 7939 |
| This theorem is referenced by: 1st2ndb 7978 xpopth 7979 eqop 7980 2nd1st 7987 1st2nd 7988 opiota 8008 fimaproj 8082 disjen 9069 xpmapenlem 9079 mapunen 9081 djulf1o 9834 djurf1o 9835 djur 9841 r0weon 9932 enqbreq2 10841 nqereu 10850 lterpq 10891 elreal2 11053 cnref1o 12933 ruclem6 16200 ruclem8 16202 ruclem9 16203 ruclem12 16206 eucalgval 16549 eucalginv 16551 eucalglt 16552 eucalg 16554 qnumdenbi 16712 isstruct2 17117 xpsff1o 17529 comfffval2 17665 comfeq 17670 idfucl 17846 funcpropd 17867 coapm 18036 xpccatid 18152 1stfcl 18161 2ndfcl 18162 1st2ndprf 18170 xpcpropd 18172 evlfcl 18186 hofcl 18223 hofpropd 18231 yonedalem3 18244 gsum2dlem2 19944 mdetunilem9 22610 tx1cn 23599 tx2cn 23600 txdis 23622 txlly 23626 txnlly 23627 txhaus 23637 txkgen 23642 txconn 23679 utop3cls 24241 ucnima 24270 fmucndlem 24280 psmetxrge0 24303 imasdsf1olem 24363 cnheiborlem 24946 caublcls 25301 bcthlem1 25316 bcthlem2 25317 bcthlem4 25319 bcthlem5 25320 ovolfcl 25458 ovolfioo 25459 ovolficc 25460 ovolficcss 25461 ovolfsval 25462 ovolicc2lem1 25509 ovolicc2lem5 25513 ovolfs2 25563 uniiccdif 25570 uniioovol 25571 uniiccvol 25572 uniioombllem2a 25574 uniioombllem2 25575 uniioombllem3a 25576 uniioombllem3 25577 uniioombllem4 25578 uniioombllem5 25579 uniioombllem6 25580 dyadmbl 25592 fsumvma 27201 opreu2reuALT 32571 ofpreima 32764 ofpreima2 32765 elrgspnsubrunlem2 33336 erler 33353 1stmbfm 34451 2ndmbfm 34452 sibfof 34531 oddpwdcv 34546 txsconnlem 35475 mpst123 35775 bj-elid4 37535 bj-elid6 37537 poimirlem4 37998 poimirlem26 38020 poimirlem27 38021 mblfinlem1 38031 mblfinlem2 38032 ftc2nc 38076 heiborlem8 38192 dvhgrp 41606 dvhlveclem 41607 fvovco 45647 dvnprodlem1 46396 volioof 46437 fvvolioof 46439 fvvolicof 46441 etransclem44 46728 ovolval3 47097 ovolval4lem1 47099 ovolval5lem2 47103 ovnovollem1 47106 ovnovollem2 47107 smfpimbor1lem1 47248 rrx2xpref1o 49216 2oppf 49629 eloppf 49630 funcoppc5 49642 swapf2f1oa 49774 swapfida 49777 swapffunca 49781 swapfiso 49782 cofuswapf1 49791 cofuswapf2 49792 fuco2eld2 49811 fuco11b 49834 fuco11bALT 49835 fucoco2 49855 fucofunca 49857 fucolid 49858 fucorid 49859 precofvalALT 49865 reldmlan2 50114 reldmran2 50115 rellan 50120 relran 50121 ranval3 50128 ranrcl4lem 50135 ranup 50139 |
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