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| Mirrors > Home > ILE Home > Th. List > elpwid | GIF 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 | ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
| Ref | Expression |
|---|---|
| elpwid | ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elpwid.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) | |
| 2 | elpwi 3698 | . 2 ⊢ (𝐴 ∈ 𝒫 𝐵 → 𝐴 ⊆ 𝐵) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ⊆ wss 3220 𝒫 cpw 3688 |
| 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 7141 ssenen 7157 fival 7310 fiuni 7318 3nelsucpw1 7600 elnp1st2nd 7850 ixxssxr 10320 elfzoelz 10572 ballotfilem2 13287 ballotfilemfmpn 13293 restid2 13662 cntzrcl 14160 epttop 15328 neiss2 15380 blssm 15659 blin2 15670 cncfrss 15813 cncfrss2 15814 dvidsslem 15931 dvconstss 15936 plybss 15971 uhgrss 16533 upgrss 16557 upgr1een 16582 usgrss 16635 eupth2lemsfi 16936 pw1ndom3lem 17236 pwle2 17245 |
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