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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 7594 elnp1st2nd 7844 ixxssxr 10313 elfzoelz 10565 ballotfilem2 13280 ballotfilemfmpn 13286 restid2 13655 cntzrcl 14153 epttop 15282 neiss2 15334 blssm 15613 blin2 15624 cncfrss 15767 cncfrss2 15768 dvidsslem 15885 dvconstss 15890 plybss 15925 uhgrss 16482 upgrss 16506 upgr1een 16531 usgrss 16584 eupth2lemsfi 16885 pw1ndom3lem 17185 pwle2 17194 |
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