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Mirrors > Home > ILE Home > Th. List > xpiindim | Unicode version |
Description: Distributive law for cross product over indexed intersection. (Contributed by Jim Kingdon, 7-Dec-2018.) |
Ref | Expression |
---|---|
xpiindim |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relxp 4769 |
. . . . . 6
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2 | 1 | rgenw 2549 |
. . . . 5
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3 | r19.2m 3534 |
. . . . 5
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4 | 2, 3 | mpan2 425 |
. . . 4
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5 | reliin 4782 |
. . . 4
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6 | 4, 5 | syl 14 |
. . 3
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7 | relxp 4769 |
. . 3
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8 | 6, 7 | jctil 312 |
. 2
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9 | eleq1w 2254 |
. . . . . . . 8
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10 | 9 | cbvexv 1930 |
. . . . . . 7
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11 | r19.28mv 3540 |
. . . . . . 7
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12 | 10, 11 | sylbir 135 |
. . . . . 6
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13 | 12 | bicomd 141 |
. . . . 5
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14 | eliin 3918 |
. . . . . . 7
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15 | 14 | elv 2764 |
. . . . . 6
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16 | 15 | anbi2i 457 |
. . . . 5
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17 | opelxp 4690 |
. . . . . 6
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18 | 17 | ralbii 2500 |
. . . . 5
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19 | 13, 16, 18 | 3bitr4g 223 |
. . . 4
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20 | opelxp 4690 |
. . . 4
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21 | vex 2763 |
. . . . . 6
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22 | vex 2763 |
. . . . . 6
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23 | 21, 22 | opex 4259 |
. . . . 5
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24 | eliin 3918 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
25 | 23, 24 | ax-mp 5 |
. . . 4
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26 | 19, 20, 25 | 3bitr4g 223 |
. . 3
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27 | 26 | eqrelrdv2 4759 |
. 2
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28 | 8, 27 | mpancom 422 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-iin 3916 df-opab 4092 df-xp 4666 df-rel 4667 |
This theorem is referenced by: xpriindim 4801 |
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