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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 7960 | . 2 ⊢ (𝐴 ∈ (𝐵 × 𝐶) ↔ (𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉 ∧ ((1st ‘𝐴) ∈ 𝐵 ∧ (2nd ‘𝐴) ∈ 𝐶))) | |
2 | 1 | simplbi 498 | 1 ⊢ (𝐴 ∈ (𝐵 × 𝐶) → 𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 〈cop 4597 × cxp 5636 ‘cfv 6501 1st c1st 7924 2nd c2nd 7925 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pr 5389 ax-un 7677 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-iota 6453 df-fun 6503 df-fv 6509 df-1st 7926 df-2nd 7927 |
This theorem is referenced by: 1st2ndb 7966 xpopth 7967 eqop 7968 2nd1st 7975 1st2nd 7976 opiota 7996 fimaproj 8072 disjen 9085 xpmapenlem 9095 mapunen 9097 djulf1o 9857 djurf1o 9858 djur 9864 r0weon 9957 enqbreq2 10865 nqereu 10874 lterpq 10915 elreal2 11077 cnref1o 12919 ruclem6 16128 ruclem8 16130 ruclem9 16131 ruclem12 16134 eucalgval 16469 eucalginv 16471 eucalglt 16472 eucalg 16474 qnumdenbi 16630 isstruct2 17032 xpsff1o 17463 comfffval2 17595 comfeq 17600 idfucl 17781 funcpropd 17801 coapm 17971 xpccatid 18090 1stfcl 18099 2ndfcl 18100 1st2ndprf 18108 xpcpropd 18111 evlfcl 18125 hofcl 18162 hofpropd 18170 yonedalem3 18183 gsum2dlem2 19762 mdetunilem9 22006 tx1cn 22997 tx2cn 22998 txdis 23020 txlly 23024 txnlly 23025 txhaus 23035 txkgen 23040 txconn 23077 utop3cls 23640 ucnima 23670 fmucndlem 23680 psmetxrge0 23703 imasdsf1olem 23763 cnheiborlem 24354 caublcls 24710 bcthlem1 24725 bcthlem2 24726 bcthlem4 24728 bcthlem5 24729 ovolfcl 24867 ovolfioo 24868 ovolficc 24869 ovolficcss 24870 ovolfsval 24871 ovolicc2lem1 24918 ovolicc2lem5 24922 ovolfs2 24972 uniiccdif 24979 uniioovol 24980 uniiccvol 24981 uniioombllem2a 24983 uniioombllem2 24984 uniioombllem3a 24985 uniioombllem3 24986 uniioombllem4 24987 uniioombllem5 24988 uniioombllem6 24989 dyadmbl 25001 fsumvma 26598 opreu2reuALT 31469 ofpreima 31648 ofpreima2 31649 1stmbfm 32949 2ndmbfm 32950 sibfof 33029 oddpwdcv 33044 txsconnlem 33921 mpst123 34221 bj-elid4 35712 bj-elid6 35714 poimirlem4 36155 poimirlem26 36177 poimirlem27 36178 mblfinlem1 36188 mblfinlem2 36189 ftc2nc 36233 heiborlem8 36350 dvhgrp 39643 dvhlveclem 39644 fvovco 43535 dvnprodlem1 44307 volioof 44348 fvvolioof 44350 fvvolicof 44352 etransclem44 44639 ovolval3 45008 ovolval4lem1 45010 ovolval5lem2 45014 ovnovollem1 45017 ovnovollem2 45018 smfpimbor1lem1 45159 rrx2xpref1o 46924 |
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