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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 7136 ssenen 7152 fival 7304 fiuni 7312 3nelsucpw1 7593 elnp1st2nd 7843 ixxssxr 10302 elfzoelz 10554 ballotfilem2 13228 ballotfilemfmpn 13234 restid2 13602 epttop 15191 neiss2 15243 blssm 15522 blin2 15533 cncfrss 15676 cncfrss2 15677 dvidsslem 15794 dvconstss 15799 plybss 15834 uhgrss 16316 upgrss 16340 upgr1een 16365 usgrss 16418 eupth2lemsfi 16719 pw1ndom3lem 17019 pwle2 17028 |
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