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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 5255 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) |
| 4 | 3, 2 | elpwd 4538 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2121 Vcvv 3433 ⊆ wss 3885 𝒫 cpw 4532 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-sep 5221 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-3an 1095 df-tru 1551 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-rab 3394 df-v 3435 df-in 3892 df-ss 3902 df-pw 4534 |
| This theorem is referenced by: knatar 7305 marypha1 9341 fin1a2lem7 10323 canthp1lem2 10571 wunss 10630 ramub1lem1 16992 mreexd 17603 mreexexlemd 17605 mreexexlem4d 17608 opsrval 22026 selvfval 22099 cncls 23261 fbasrn 23871 rnelfmlem 23939 ustssel 24193 hashimaf1 32907 pwrssmgc 33083 esplyfv1 33765 exsslsb 33793 crefi 34043 ldsysgenld 34356 ldgenpisyslem1 34359 bj-ismoored 37480 bj-imdirval2 37558 bj-iminvval2 37569 sticksstones2 42647 rfovcnvf1od 44463 fsovrfovd 44468 fsovfd 44471 fsovcnvlem 44472 ntrclsrcomplex 44494 clsk3nimkb 44499 clsk1indlem4 44503 clsk1indlem1 44504 ntrclsiso 44526 ntrclskb 44528 ntrclsk3 44529 ntrclsk13 44530 ntrneircomplex 44533 ntrneik3 44555 ntrneix3 44556 ntrneik13 44557 ntrneix13 44558 clsneircomplex 44562 clsneiel1 44567 neicvgrcomplex 44572 neicvgel1 44578 mnussd 44722 mnuprssd 44728 mnuop3d 44730 wessf1ornlem 45646 dvnprodlem1 46403 ovolsplit 46445 saliunclf 46779 sge0f1o 46839 isisubgr 48367 iscnrm3rlem3 49446 |
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