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| Description: Equality theorem for cross product. |
| Ref | Expression |
|---|---|
| xpeq2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq2 1535 |
. . . 4
| |
| 2 | 1 | anbi2d 616 |
. . 3
|
| 3 | 2 | opabbidv 2670 |
. 2
|
| 4 | df-xp 3184 |
. 2
| |
| 5 | df-xp 3184 |
. 2
| |
| 6 | 3, 4, 5 | 3eqtr4g 1531 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: xpindir 3271 xpid11 3335 xpnz 3466 xpdisj2 3469 dmxpss 3473 xp11 3476 rescnvcnv 3493 unixp 3517 fconstg 3659 fconst5 3848 curry1 4098 pmvalg 4331 xpsneng 4436 xpcomeng 4440 xpdom2 4442 xpdom1g 4444 aceq5lem3 4737 aceq5lem4 4738 unidomg 4809 unxpdom 4844 sucxpdom 4846 xp1en 4927 xp2cda 4928 xpcdaen 4931 expvalt 6570 infxpidmlem2 7553 infxpidmlem3 7554 infxpidmlem4 7555 infxpdom 7571 ismet 7798 dfms2 7799 ismsg 7800 msflem 7803 metreslem 7822 lmfval 7925 caufval 7926 isgrp 8041 isring 8141 ringi 8142 vci 8167 isvclem 8196 vcoprnelem 8197 0ofval 8447 hhssablt 9133 hhssnvt 9135 hhsssh 9139 df0op2 9678 ho01 9754 hh0o 9829 nmop0h 9916 ghomgrplem 10389 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-opab 2667 df-xp 3184 |