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| Description: Equality theorem for cross product. |
| Ref | Expression |
|---|---|
| xpeq2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq2 1532 |
. . . 4
| |
| 2 | 1 | anbi2d 615 |
. . 3
|
| 3 | 2 | opabbidv 2665 |
. 2
|
| 4 | df-xp 3179 |
. 2
| |
| 5 | df-xp 3179 |
. 2
| |
| 6 | 3, 4, 5 | 3eqtr4g 1528 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: xpindir 3266 xpid11 3330 xpnz 3458 xpdisj2 3461 dmxpss 3465 xp11 3468 rescnvcnv 3485 unixp 3509 fconstg 3650 fconst5 3839 curry1 4088 pmvalg 4321 xpsneng 4422 xpcomeng 4426 xpdom2 4428 xpdom1g 4430 aceq5lem3 4717 aceq5lem4 4718 unidomg 4789 unxpdom 4824 sucxpdom 4826 xp1en 4907 xp2cda 4908 xpcdaen 4911 expvalt 6510 infxpidmlem2 7504 infxpidmlem3 7505 infxpidmlem4 7506 infxpdom 7522 ismet 7748 dfms2 7749 ismsg 7750 msflem 7753 metreslem 7774 lmfval 7877 caufval 7878 isgrp 7991 isring 8093 ringi 8094 vci 8119 isvclem 8148 vcoprnelem 8149 0ofval 8392 hhssablt 9072 hhssnvt 9074 hhsssh 9078 df0op2 9618 ho01 9694 hh0o 9769 nmop0h 9854 ghomgrplem 10323 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-12 966 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 979 df-sb 1170 df-clab 1462 df-cleq 1467 df-clel 1470 df-opab 2662 df-xp 3179 |