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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 5230 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) |
4 | 3, 2 | elpwd 4549 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3496 ⊆ wss 3938 𝒫 cpw 4541 |
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 2795 ax-sep 5205 |
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 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-rab 3149 df-v 3498 df-in 3945 df-ss 3954 df-pw 4543 |
This theorem is referenced by: knatar 7112 marypha1 8900 fin1a2lem7 9830 canthp1lem2 10077 wunss 10136 ramub1lem1 16364 mreexd 16915 mreexexlemd 16917 mreexexlem4d 16920 opsrval 20257 selvfval 20332 cncls 21884 fbasrn 22494 rnelfmlem 22562 ustssel 22816 crefi 31113 ldsysgenld 31421 ldgenpisyslem1 31424 bj-ismoored 34401 bj-imdirval2 34475 rfovcnvf1od 40357 fsovrfovd 40362 fsovfd 40365 fsovcnvlem 40366 ntrclsrcomplex 40392 clsk3nimkb 40397 clsk1indlem4 40401 clsk1indlem1 40402 ntrclsiso 40424 ntrclskb 40426 ntrclsk3 40427 ntrclsk13 40428 ntrneircomplex 40431 ntrneik3 40453 ntrneix3 40454 ntrneik13 40455 ntrneix13 40456 clsneircomplex 40460 clsneiel1 40465 neicvgrcomplex 40470 neicvgel1 40476 mnussd 40606 mnuprssd 40612 mnuop3d 40614 wessf1ornlem 41452 ovolsplit 42280 |
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