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Mirrors > Home > ILE Home > Th. List > rabxfrd | Unicode version |
Description: Class builder membership
after substituting an expression ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
rabxfrd.1 |
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rabxfrd.2 |
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rabxfrd.3 |
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rabxfrd.4 |
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rabxfrd.5 |
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Ref | Expression |
---|---|
rabxfrd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabxfrd.3 |
. . . . . . . . . . 11
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2 | 1 | ex 113 |
. . . . . . . . . 10
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3 | ibibr 244 |
. . . . . . . . . 10
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4 | 2, 3 | sylib 120 |
. . . . . . . . 9
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5 | 4 | imp 122 |
. . . . . . . 8
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6 | 5 | anbi1d 452 |
. . . . . . 7
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7 | rabxfrd.4 |
. . . . . . . 8
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8 | 7 | elrab 2749 |
. . . . . . 7
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9 | rabid 2529 |
. . . . . . 7
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10 | 6, 8, 9 | 3bitr4g 221 |
. . . . . 6
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11 | 10 | rabbidva 2592 |
. . . . 5
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12 | 11 | eleq2d 2148 |
. . . 4
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13 | rabxfrd.1 |
. . . . 5
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14 | nfcv 2219 |
. . . . 5
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15 | rabxfrd.2 |
. . . . . 6
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16 | 15 | nfel1 2229 |
. . . . 5
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17 | rabxfrd.5 |
. . . . . 6
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18 | 17 | eleq1d 2147 |
. . . . 5
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19 | 13, 14, 16, 18 | elrabf 2747 |
. . . 4
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20 | nfrab1 2533 |
. . . . . 6
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21 | 13, 20 | nfel 2227 |
. . . . 5
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22 | eleq1 2141 |
. . . . 5
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23 | 13, 14, 21, 22 | elrabf 2747 |
. . . 4
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24 | 12, 19, 23 | 3bitr3g 220 |
. . 3
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25 | pm5.32 440 |
. . 3
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26 | 24, 25 | sylibr 132 |
. 2
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27 | 26 | imp 122 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rab 2357 df-v 2603 |
This theorem is referenced by: rabxfr 4220 |
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