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Mirrors > Home > ILE Home > Th. List > reu8 | Unicode version |
Description: Restricted uniqueness using implicit substitution. (Contributed by NM, 24-Oct-2006.) |
Ref | Expression |
---|---|
rmo4.1 |
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Ref | Expression |
---|---|
reu8 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rmo4.1 |
. . 3
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2 | 1 | cbvreuv 2707 |
. 2
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3 | reu6 2928 |
. 2
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4 | dfbi2 388 |
. . . . 5
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5 | 4 | ralbii 2483 |
. . . 4
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6 | r19.26 2603 |
. . . . 5
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7 | ancom 266 |
. . . . . 6
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8 | equcom 1706 |
. . . . . . . . . 10
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9 | 8 | imbi2i 226 |
. . . . . . . . 9
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10 | 9 | ralbii 2483 |
. . . . . . . 8
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11 | 10 | a1i 9 |
. . . . . . 7
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12 | biimt 241 |
. . . . . . . 8
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13 | df-ral 2460 |
. . . . . . . . 9
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14 | bi2.04 248 |
. . . . . . . . . 10
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15 | 14 | albii 1470 |
. . . . . . . . 9
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16 | vex 2742 |
. . . . . . . . . 10
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17 | eleq1 2240 |
. . . . . . . . . . . . 13
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18 | 17, 1 | imbi12d 234 |
. . . . . . . . . . . 12
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19 | 18 | bicomd 141 |
. . . . . . . . . . 11
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20 | 19 | equcoms 1708 |
. . . . . . . . . 10
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21 | 16, 20 | ceqsalv 2769 |
. . . . . . . . 9
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22 | 13, 15, 21 | 3bitrri 207 |
. . . . . . . 8
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23 | 12, 22 | bitrdi 196 |
. . . . . . 7
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24 | 11, 23 | anbi12d 473 |
. . . . . 6
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25 | 7, 24 | bitrid 192 |
. . . . 5
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26 | 6, 25 | bitr4id 199 |
. . . 4
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27 | 5, 26 | bitrid 192 |
. . 3
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28 | 27 | rexbiia 2492 |
. 2
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29 | 2, 3, 28 | 3bitri 206 |
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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-clab 2164 df-cleq 2170 df-clel 2173 df-ral 2460 df-rex 2461 df-reu 2462 df-v 2741 |
This theorem is referenced by: updjud 7083 reumodprminv 12255 grpinveu 12916 |
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