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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 7705 | . 2 ⊢ (𝐴 ∈ (𝐵 × 𝐶) ↔ (𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉 ∧ ((1st ‘𝐴) ∈ 𝐵 ∧ (2nd ‘𝐴) ∈ 𝐶))) | |
2 | 1 | simplbi 501 | 1 ⊢ (𝐴 ∈ (𝐵 × 𝐶) → 𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 〈cop 4531 × cxp 5517 ‘cfv 6324 1st c1st 7669 2nd c2nd 7670 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-iota 6283 df-fun 6326 df-fv 6332 df-1st 7671 df-2nd 7672 |
This theorem is referenced by: 1st2ndb 7711 xpopth 7712 eqop 7713 2nd1st 7719 1st2nd 7720 opiota 7739 fimaproj 7812 disjen 8658 xpmapenlem 8668 mapunen 8670 djulf1o 9325 djurf1o 9326 djur 9332 r0weon 9423 enqbreq2 10331 nqereu 10340 lterpq 10381 elreal2 10543 cnref1o 12372 ruclem6 15580 ruclem8 15582 ruclem9 15583 ruclem12 15586 eucalgval 15916 eucalginv 15918 eucalglt 15919 eucalg 15921 qnumdenbi 16074 isstruct2 16485 xpsff1o 16832 comfffval2 16963 comfeq 16968 idfucl 17143 funcpropd 17162 coapm 17323 xpccatid 17430 1stfcl 17439 2ndfcl 17440 1st2ndprf 17448 xpcpropd 17450 evlfcl 17464 hofcl 17501 hofpropd 17509 yonedalem3 17522 gsum2dlem2 19084 mdetunilem9 21225 tx1cn 22214 tx2cn 22215 txdis 22237 txlly 22241 txnlly 22242 txhaus 22252 txkgen 22257 txconn 22294 utop3cls 22857 ucnima 22887 fmucndlem 22897 psmetxrge0 22920 imasdsf1olem 22980 cnheiborlem 23559 caublcls 23913 bcthlem1 23928 bcthlem2 23929 bcthlem4 23931 bcthlem5 23932 ovolfcl 24070 ovolfioo 24071 ovolficc 24072 ovolficcss 24073 ovolfsval 24074 ovolicc2lem1 24121 ovolicc2lem5 24125 ovolfs2 24175 uniiccdif 24182 uniioovol 24183 uniiccvol 24184 uniioombllem2a 24186 uniioombllem2 24187 uniioombllem3a 24188 uniioombllem3 24189 uniioombllem4 24190 uniioombllem5 24191 uniioombllem6 24192 dyadmbl 24204 fsumvma 25797 opreu2reuALT 30247 ofpreima 30428 ofpreima2 30429 1stmbfm 31628 2ndmbfm 31629 sibfof 31708 oddpwdcv 31723 txsconnlem 32600 mpst123 32900 bj-elid4 34583 bj-elid6 34585 poimirlem4 35061 poimirlem26 35083 poimirlem27 35084 mblfinlem1 35094 mblfinlem2 35095 ftc2nc 35139 heiborlem8 35256 dvhgrp 38403 dvhlveclem 38404 fvovco 41821 dvnprodlem1 42588 volioof 42629 fvvolioof 42631 fvvolicof 42633 etransclem44 42920 ovolval3 43286 ovolval4lem1 43288 ovolval5lem2 43292 ovnovollem1 43295 ovnovollem2 43296 smfpimbor1lem1 43430 rrx2xpref1o 45132 |
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