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| Mirrors > Home > MPE Home > Th. List > sselpwd | Structured version Visualization version GIF version | ||
| Description: Elementhood to a power set. (Contributed by Thierry Arnoux, 18-May-2020.) |
| Ref | Expression |
|---|---|
| sselpwd.1 | ⊢ (𝜑 → 𝐵 ∈ 𝑉) |
| sselpwd.2 | ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Ref | Expression |
|---|---|
| sselpwd | ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sselpwd.1 | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑉) | |
| 2 | sselpwd.2 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) | |
| 3 | 1, 2 | ssexd 5270 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) |
| 4 | 3, 2 | elpwd 4561 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3441 ⊆ wss 3902 𝒫 cpw 4555 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5242 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-3an 1089 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3401 df-v 3443 df-in 3909 df-ss 3919 df-pw 4557 |
| This theorem is referenced by: knatar 7305 marypha1 9341 fin1a2lem7 10320 canthp1lem2 10568 wunss 10627 ramub1lem1 16958 mreexd 17569 mreexexlemd 17571 mreexexlem4d 17574 opsrval 22005 selvfval 22081 cncls 23222 fbasrn 23832 rnelfmlem 23900 ustssel 24154 hashimaf1 32893 pwrssmgc 33084 esplyfv1 33729 exsslsb 33755 crefi 34006 ldsysgenld 34319 ldgenpisyslem1 34322 bj-ismoored 37314 bj-imdirval2 37390 bj-iminvval2 37401 sticksstones2 42469 rfovcnvf1od 44312 fsovrfovd 44317 fsovfd 44320 fsovcnvlem 44321 ntrclsrcomplex 44343 clsk3nimkb 44348 clsk1indlem4 44352 clsk1indlem1 44353 ntrclsiso 44375 ntrclskb 44377 ntrclsk3 44378 ntrclsk13 44379 ntrneircomplex 44382 ntrneik3 44404 ntrneix3 44405 ntrneik13 44406 ntrneix13 44407 clsneircomplex 44411 clsneiel1 44416 neicvgrcomplex 44421 neicvgel1 44427 mnussd 44571 mnuprssd 44577 mnuop3d 44579 wessf1ornlem 45496 dvnprodlem1 46257 ovolsplit 46299 saliunclf 46633 sge0f1o 46693 isisubgr 48175 iscnrm3rlem3 49254 |
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