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Mirrors > Home > ILE Home > Th. List > ralunb | Unicode version |
Description: Restricted quantification over a union. (Contributed by Scott Fenton, 12-Apr-2011.) (Proof shortened by Andrew Salmon, 29-Jun-2011.) |
Ref | Expression |
---|---|
ralunb |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elun 3276 |
. . . . . 6
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2 | 1 | imbi1i 238 |
. . . . 5
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3 | jaob 710 |
. . . . 5
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4 | 2, 3 | bitri 184 |
. . . 4
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5 | 4 | albii 1470 |
. . 3
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6 | 19.26 1481 |
. . 3
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7 | 5, 6 | bitri 184 |
. 2
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8 | df-ral 2460 |
. 2
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9 | df-ral 2460 |
. . 3
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10 | df-ral 2460 |
. . 3
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11 | 9, 10 | anbi12i 460 |
. 2
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12 | 7, 8, 11 | 3bitr4i 212 |
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-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-v 2739 df-un 3133 |
This theorem is referenced by: ralun 3317 ralprg 3643 raltpg 3645 ralunsn 3797 dcfi 6976 rexfiuz 10990 modfsummodlemstep 11457 modfsummod 11458 zsupcllemstep 11937 prmind2 12111 2sqlem10 14323 nninfsellemdc 14610 nninfsellemsuc 14612 |
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