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Mirrors > Home > ILE Home > Th. List > sspwuni | Unicode version |
Description: Subclass relationship for power class and union. (Contributed by NM, 18-Jul-2006.) |
Ref | Expression |
---|---|
sspwuni |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 2692 |
. . . 4
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2 | 1 | elpw 3521 |
. . 3
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3 | 2 | ralbii 2444 |
. 2
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4 | dfss3 3092 |
. 2
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5 | unissb 3774 |
. 2
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6 | 3, 4, 5 | 3bitr4i 211 |
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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-v 2691 df-in 3082 df-ss 3089 df-pw 3517 df-uni 3745 |
This theorem is referenced by: pwssb 3906 elpwpw 3907 elpwuni 3910 rintm 3913 dftr4 4039 iotass 5113 tfrlemibfn 6233 tfr1onlembfn 6249 tfrcllembfn 6262 uniixp 6623 fipwssg 6875 unirnioo 9786 restid 12170 topgele 12235 topontopn 12243 unitg 12270 epttop 12298 resttopon 12379 txuni2 12464 txdis 12485 unirnblps 12630 unirnbl 12631 |
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