| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > sselpwd | Structured version Visualization version GIF version | ||
| Description: Membership in 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 5285 | . 2 ⊢ (𝜑 → 𝐴 ∈ V) |
| 4 | 3, 2 | elpwd 4562 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 Vcvv 3450 ⊆ wss 3898 𝒫 cpw 4556 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 ax-sep 5248 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-in 3905 df-ss 3915 df-pw 4558 |
| This theorem is used by: knatar 7355 marypha1 9404 fin1a2lem7 10455 canthp1lem2 10709 wunss 10768 ramub1lem1 17165 mreexd 17777 mreexexlemd 17779 mreexexlem4d 17782 opsrval 22316 selvfval 22389 cncls 23553 fbasrn 24164 rnelfmlem 24232 ustssel 24486 hashimaf1 33335 pwrssmgc 33494 esplyfv1 34134 exsslsb 34162 crefi 34412 ldsysgenld 34726 ldgenpisyslem1 34729 bj-ismoored 37948 bj-imdirval2 38024 bj-iminvval2 38035 sticksstones2 43117 rfovcnvf1od 44948 fsovrfovd 44953 fsovfd 44956 fsovcnvlem 44957 ntrclsrcomplex 44979 clsk3nimkb 44984 clsk1indlem4 44988 clsk1indlem1 44989 ntrclsiso 45011 ntrclskb 45013 ntrclsk3 45014 ntrclsk13 45015 ntrneircomplex 45018 ntrneik3 45040 ntrneix3 45041 ntrneik13 45042 ntrneix13 45043 clsneircomplex 45047 clsneiel1 45052 neicvgrcomplex 45057 neicvgel1 45063 mnussd 45191 mnuprssd 45197 mnuop3d 45199 wessf1ornlem 46121 dvnprodlem1 46878 ovolsplit 46920 saliunclf 47254 sge0f1o 47314 isisubgr 48882 iscnrm3rlem3 49972 |
| Copyright terms: Public domain | W3C validator |