| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Ordered pair membership in a cross product. |
| Ref | Expression |
|---|---|
| opelxp.1 |
|
| Ref | Expression |
|---|---|
| opelxp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelxpex 2445 |
. 2
| |
| 2 | elisset 1354 |
. . 3
| |
| 3 | 2 | adantr 306 |
. 2
|
| 4 | opeq1 1876 |
. . . 4
| |
| 5 | 4 | eleq1d 1155 |
. . 3
|
| 6 | eleq1 1149 |
. . . 4
| |
| 7 | 6 | anbi1d 469 |
. . 3
|
| 8 | cleqcom 1103 |
. . . . . . . . . . 11
| |
| 9 | visset 1350 |
. . . . . . . . . . . 12
| |
| 10 | visset 1350 |
. . . . . . . . . . . 12
| |
| 11 | opelxp.1 |
. . . . . . . . . . . 12
| |
| 12 | 9, 10, 11 | opth 1898 |
. . . . . . . . . . 11
|
| 13 | 8, 12 | bitr 151 |
. . . . . . . . . 10
|
| 14 | 13 | anbi1i 368 |
. . . . . . . . 9
|
| 15 | an4 388 |
. . . . . . . . 9
| |
| 16 | 14, 15 | bitr 151 |
. . . . . . . 8
|
| 17 | 16 | biex 733 |
. . . . . . 7
|
| 18 | 19.42v 966 |
. . . . . . 7
| |
| 19 | 17, 18 | bitr 151 |
. . . . . 6
|
| 20 | 19 | biex 733 |
. . . . 5
|
| 21 | 19.41v 963 |
. . . . 5
| |
| 22 | 20, 21 | bitr 151 |
. . . 4
|
| 23 | elxp 2442 |
. . . 4
| |
| 24 | df-clel 1099 |
. . . . 5
| |
| 25 | df-clel 1099 |
. . . . 5
| |
| 26 | 24, 25 | anbi12i 369 |
. . . 4
|
| 27 | 22, 23, 26 | 3bitr4 158 |
. . 3
|
| 28 | 5, 7, 27 | vtoclbg 1384 |
. 2
|
| 29 | 1, 3, 28 | pm5.21nii 504 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: brxp 2453 opelxpg 2454 ralxp 2456 opthprc 2457 elxp3 2460 optocl 2469 cbvop 2473 relsn 2485 ssxp 2487 xpex 2488 inxp 2496 opelres 2579 dfima2 2604 cnvxp 2651 relssdr 2668 opelf 2762 oprssdm 3056 df1st2 3098 brecop 3242 brecop2 3243 ecopoprdm 3245 eceqopreq 3249 xpdom2 3345 xpmapenlem4 3394 xpmapenlem5 3395 mapunen 3397 aceq5lem2 3559 ltpiord 3809 opelcn 4042 opelreal 4043 ruclem13 4897 infxpidmlem5 4937 infxpidmlem7 4939 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-opab 2098 df-xp 2424 |