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Mirrors > Home > NFE Home > Th. List > xpeq12 | Unicode version |
Description: Equality theorem for cross product. (Contributed by FL, 31-Aug-2009.) |
Ref | Expression |
---|---|
xpeq12 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xpeq1 4798 | . 2 | |
2 | xpeq2 4799 | . 2 | |
3 | 1, 2 | sylan9eq 2405 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 358 wceq 1642 cxp 4770 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 ax-ext 2334 |
This theorem depends on definitions: df-bi 177 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-clab 2340 df-cleq 2346 df-clel 2349 df-opab 4623 df-xp 4784 |
This theorem is referenced by: xpeq12i 4806 xpeq12d 4809 xpid11 4926 xp11 5056 fnpprod 5843 mucnc 6131 |
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