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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 4551 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2132 Vcvv 3444 ⊆ wss 3895 𝒫 cpw 4545 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-ext 2724 ax-sep 5236 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-3an 1097 df-tru 1553 df-ex 1790 df-sb 2081 df-clab 2731 df-cleq 2744 df-clel 2827 df-rab 3405 df-v 3446 df-in 3902 df-ss 3912 df-pw 4547 |
| This theorem is referenced by: knatar 7326 marypha1 9366 fin1a2lem7 10349 canthp1lem2 10597 wunss 10656 ramub1lem1 17034 mreexd 17646 mreexexlemd 17648 mreexexlem4d 17651 opsrval 22068 selvfval 22141 cncls 23303 fbasrn 23913 rnelfmlem 23981 ustssel 24235 hashimaf1 32952 pwrssmgc 33128 esplyfv1 33810 exsslsb 33838 crefi 34088 ldsysgenld 34401 ldgenpisyslem1 34404 bj-ismoored 37535 bj-imdirval2 37613 bj-iminvval2 37624 sticksstones2 42702 rfovcnvf1od 44518 fsovrfovd 44523 fsovfd 44526 fsovcnvlem 44527 ntrclsrcomplex 44549 clsk3nimkb 44554 clsk1indlem4 44558 clsk1indlem1 44559 ntrclsiso 44581 ntrclskb 44583 ntrclsk3 44584 ntrclsk13 44585 ntrneircomplex 44588 ntrneik3 44610 ntrneix3 44611 ntrneik13 44612 ntrneix13 44613 clsneircomplex 44617 clsneiel1 44622 neicvgrcomplex 44627 neicvgel1 44633 mnussd 44777 mnuprssd 44783 mnuop3d 44785 wessf1ornlem 45701 dvnprodlem1 46458 ovolsplit 46500 saliunclf 46834 sge0f1o 46894 isisubgr 48422 iscnrm3rlem3 49501 |
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