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Mirrors > Home > ILE Home > Th. List > eldifpw | Unicode version |
Description: Membership in a power class difference. (Contributed by NM, 25-Mar-2007.) |
Ref | Expression |
---|---|
eldifpw.1 |
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Ref | Expression |
---|---|
eldifpw |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elpwi 3586 |
. . . 4
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2 | unss1 3306 |
. . . . 5
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3 | eldifpw.1 |
. . . . . . 7
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4 | unexg 4445 |
. . . . . . 7
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5 | 3, 4 | mpan2 425 |
. . . . . 6
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6 | elpwg 3585 |
. . . . . 6
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7 | 5, 6 | syl 14 |
. . . . 5
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8 | 2, 7 | imbitrrid 156 |
. . . 4
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9 | 1, 8 | mpd 13 |
. . 3
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10 | elpwi 3586 |
. . . . 5
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11 | 10 | unssbd 3315 |
. . . 4
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12 | 11 | con3i 632 |
. . 3
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13 | 9, 12 | anim12i 338 |
. 2
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14 | eldif 3140 |
. 2
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15 | 13, 14 | sylibr 134 |
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-in1 614 ax-in2 615 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-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pr 4211 ax-un 4435 |
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-rex 2461 df-v 2741 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-uni 3812 |
This theorem is referenced by: (None) |
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