| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8029 | . 2 ⊢ (𝐴 ∈ (𝐵 × 𝐶) ↔ (𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉 ∧ ((1st ‘𝐴) ∈ 𝐵 ∧ (2nd ‘𝐴) ∈ 𝐶))) | |
| 2 | 1 | simplbi 502 | 1 ⊢ (𝐴 ∈ (𝐵 × 𝐶) → 𝐴 = 〈(1st ‘𝐴), (2nd ‘𝐴)〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 〈cop 4600 × cxp 5664 ‘cfv 6543 1st c1st 7993 2nd c2nd 7994 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pr 5409 ax-un 7745 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-iota 6499 df-fun 6545 df-fv 6551 df-1st 7995 df-2nd 7996 |
| This theorem is used by: 1st2ndb 8035 xpopth 8036 eqop 8037 2nd1st 8044 1st2nd 8045 opiota 8065 fimaproj 8140 disjen 9132 xpmapenlem 9142 mapunen 9144 djulf1o 9917 djurf1o 9918 djur 9924 r0weon 10015 enqbreq2 10923 nqereu 10932 lterpq 10973 elreal2 11135 cnref1o 13027 ruclem6 16316 ruclem8 16318 ruclem9 16319 ruclem12 16322 eucalgval 16665 eucalginv 16667 eucalglt 16668 eucalg 16670 qnumdenbi 16828 isstruct2 17234 xpsff1o 17646 comfffval2 17782 comfeq 17787 idfucl 17963 funcpropd 17984 coapm 18153 xpccatid 18269 1stfcl 18278 2ndfcl 18279 1st2ndprf 18287 xpcpropd 18289 evlfcl 18303 hofcl 18340 hofpropd 18348 yonedalem3 18361 gsum2dlem2 20072 mdetunilem9 22814 tx1cn 23803 tx2cn 23804 txdis 23826 txlly 23830 txnlly 23831 txhaus 23841 txkgen 23846 txconn 23883 utop3cls 24445 ucnima 24474 fmucndlem 24484 psmetxrge0 24507 imasdsf1olem 24567 cnheiborlem 25150 caublcls 25505 bcthlem1 25520 bcthlem2 25521 bcthlem4 25523 bcthlem5 25524 ovolfcl 25662 ovolfioo 25663 ovolficc 25664 ovolficcss 25665 ovolfsval 25666 ovolicc2lem1 25713 ovolicc2lem5 25717 ovolfs2 25767 uniiccdif 25774 uniioovol 25775 uniiccvol 25776 uniioombllem2a 25778 uniioombllem2 25779 uniioombllem3a 25780 uniioombllem3 25781 uniioombllem4 25782 uniioombllem5 25783 uniioombllem6 25784 dyadmbl 25796 fsumvma 27414 opreu2reuALT 32860 ofpreima 33047 ofpreima2 33048 elrgspnsubrunlem2 33599 erler 33616 1stmbfm 34681 2ndmbfm 34682 sibfof 34761 oddpwdcv 34776 txsconnlem 35752 mpst123 36052 bj-elid4 37852 bj-elid6 37854 poimirlem4 38315 poimirlem26 38337 poimirlem27 38338 mblfinlem1 38348 mblfinlem2 38349 ftc2nc 38393 heiborlem8 38509 dvhgrp 41921 dvhlveclem 41922 fvovco 45951 dvnprodlem1 46700 volioof 46741 fvvolioof 46743 fvvolicof 46745 etransclem44 47032 ovolval3 47401 ovolval4lem1 47403 ovolval5lem2 47407 ovnovollem1 47410 ovnovollem2 47411 smfpimbor1lem1 47552 rrx2xpref1o 49538 2oppf 49950 eloppf 49951 funcoppc5 49963 swapf2f1oa 50095 swapfida 50098 swapffunca 50102 swapfiso 50103 cofuswapf1 50112 cofuswapf2 50113 fuco2eld2 50132 fuco11b 50155 fuco11bALT 50156 fucoco2 50176 fucofunca 50178 fucolid 50179 fucorid 50180 precofvalALT 50186 reldmlan2 50435 reldmran2 50436 rellan 50441 relran 50442 ranval3 50449 ranrcl4lem 50456 ranup 50460 |
| Copyright terms: Public domain | W3C validator |