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Mirrors > Home > ILE Home > Th. List > elpw2g | Unicode version |
Description: Membership in a power class. Theorem 86 of [Suppes] p. 47. (Contributed by NM, 7-Aug-2000.) |
Ref | Expression |
---|---|
elpw2g |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elpwi 3610 |
. 2
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2 | ssexg 4168 |
. . . 4
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3 | elpwg 3609 |
. . . . 5
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4 | 3 | biimparc 299 |
. . . 4
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5 | 2, 4 | syldan 282 |
. . 3
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6 | 5 | expcom 116 |
. 2
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7 | 1, 6 | impbid2 143 |
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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 ax-sep 4147 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-v 2762 df-in 3159 df-ss 3166 df-pw 3603 |
This theorem is referenced by: elpw2 4186 pwnss 4188 ifelpwung 4512 pw2f1odclem 6890 elfir 7032 issubm 13044 issubg 13243 issubrng 13695 issubrg 13717 islssm 13853 islssmg 13854 lspval 13886 lspcl 13887 sraval 13933 istopg 14167 uniopn 14169 iscld 14271 ntrval 14278 clsval 14279 discld 14304 neival 14311 isnei 14312 restdis 14352 cnpfval 14363 cndis 14409 blfvalps 14553 blfps 14577 blf 14578 reldvg 14833 |
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