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| Mirrors > Home > ILE Home > Th. List > elpwid | Unicode version | ||
| Description: An element of a power class is a subclass. Deduction form of elpwi 3698. (Contributed by David Moews, 1-May-2017.) |
| Ref | Expression |
|---|---|
| elpwid.1 |
|
| Ref | Expression |
|---|---|
| elpwid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elpwid.1 |
. 2
| |
| 2 | elpwi 3698 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 df-ss 3233 df-pw 3690 |
| This theorem is used by: fopwdom 7142 ssenen 7158 fival 7309 fiuni 7317 3nelsucpw1 7599 elnp1st2nd 7849 ixxssxr 10318 elfzoelz 10570 ballotfilem2 13285 ballotfilemfmpn 13291 restid2 13660 cntzrcl 14158 epttop 15333 neiss2 15385 blssm 15664 blin2 15675 cncfrss 15818 cncfrss2 15819 dvidsslem 15936 dvconstss 15941 plybss 15976 uhgrss 16538 upgrss 16562 upgr1een 16587 usgrss 16640 eupth2lemsfi 16941 pw1ndom3lem 17241 pwle2 17250 |
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