| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > sspwd | Structured version Visualization version GIF version | ||
| Description: The powerclass preserves inclusion (deduction form). (Contributed by BJ, 13-Apr-2024.) |
| Ref | Expression |
|---|---|
| sspwd.1 | ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Ref | Expression |
|---|---|
| sspwd | ⊢ (𝜑 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sspwd.1 | . 2 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) | |
| 2 | sspw 4568 | . 2 ⊢ (𝐴 ⊆ 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ⊆ wss 3906 𝒫 cpw 4557 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1565 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-v 3458 df-ss 3923 df-pw 4559 |
| This theorem is referenced by: pweq 4571 pwel 5340 pwuninel 8257 marypha1lem 9381 pwwf 9767 rankpwi 9783 ackbij2lem1 10176 fictb 10202 ssfin2 10279 ssfin3ds 10289 ttukeylem2 10469 hashbcss 17042 isacs1i 17691 mreacs 17692 acsfn 17693 isacs3lem 18576 isacs5lem 18579 tgcmp 23463 imastopn 23782 fgabs 23941 fgtr 23952 trfg 23953 ssufl 23980 alexsubb 24108 cfiluweak 24356 cmetss 25380 minveclem4a 25494 minveclem4 25496 madess 27961 ldsysgenld 34459 neibastop1 36724 neibastop2lem 36725 neibastop2 36726 sstotbnd2 38278 prjcrv0 43220 isnacs3 43296 aomclem2 43637 sge0iunmptlemre 46994 |
| Copyright terms: Public domain | W3C validator |