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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 3677. (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 3677 | . 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 2203 ⊆ wss 3210 𝒫 cpw 3668 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2814 df-in 3216 df-ss 3223 df-pw 3670 |
| This theorem is referenced by: fopwdom 7088 ssenen 7104 fival 7256 fiuni 7264 3nelsucpw1 7543 elnp1st2nd 7790 ixxssxr 10232 elfzoelz 10480 restid2 13453 epttop 14947 neiss2 14999 blssm 15278 blin2 15289 cncfrss 15432 cncfrss2 15433 dvidsslem 15550 dvconstss 15555 plybss 15590 uhgrss 16062 upgrss 16086 upgr1een 16111 usgrss 16164 eupth2lemsfi 16465 pw1ndom3lem 16755 pwle2 16764 |
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