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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 5228 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) |
4 | 3, 2 | elpwd 4547 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3494 ⊆ wss 3936 𝒫 cpw 4539 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-rab 3147 df-v 3496 df-in 3943 df-ss 3952 df-pw 4541 |
This theorem is referenced by: knatar 7110 marypha1 8898 fin1a2lem7 9828 canthp1lem2 10075 wunss 10134 ramub1lem1 16362 mreexd 16913 mreexexlemd 16915 mreexexlem4d 16918 opsrval 20255 selvfval 20330 cncls 21882 fbasrn 22492 rnelfmlem 22560 ustssel 22814 crefi 31111 ldsysgenld 31419 ldgenpisyslem1 31422 bj-ismoored 34402 bj-imdirval2 34476 rfovcnvf1od 40399 fsovrfovd 40404 fsovfd 40407 fsovcnvlem 40408 ntrclsrcomplex 40434 clsk3nimkb 40439 clsk1indlem4 40443 clsk1indlem1 40444 ntrclsiso 40466 ntrclskb 40468 ntrclsk3 40469 ntrclsk13 40470 ntrneircomplex 40473 ntrneik3 40495 ntrneix3 40496 ntrneik13 40497 ntrneix13 40498 clsneircomplex 40502 clsneiel1 40507 neicvgrcomplex 40512 neicvgel1 40518 mnussd 40648 mnuprssd 40654 mnuop3d 40656 wessf1ornlem 41494 ovolsplit 42322 |
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