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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 3683. (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 3683 | . 2 ⊢ (𝐴 ∈ 𝒫 𝐵 → 𝐴 ⊆ 𝐵) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2205 ⊆ wss 3214 𝒫 cpw 3674 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-in 3220 df-ss 3227 df-pw 3676 |
| This theorem is referenced by: fopwdom 7102 ssenen 7118 fival 7270 fiuni 7278 3nelsucpw1 7557 elnp1st2nd 7807 ixxssxr 10255 elfzoelz 10506 ballotfilem2 13175 ballotfilemfmpn 13181 restid2 13548 epttop 15084 neiss2 15136 blssm 15415 blin2 15426 cncfrss 15569 cncfrss2 15570 dvidsslem 15687 dvconstss 15692 plybss 15727 uhgrss 16199 upgrss 16223 upgr1een 16248 usgrss 16301 eupth2lemsfi 16602 pw1ndom3lem 16902 pwle2 16911 |
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