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| 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 4578 | . 2 ⊢ (𝐴 ⊆ 𝐵 → 𝒫 𝐴 ⊆ 𝒫 𝐵) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝒫 𝐴 ⊆ 𝒫 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ⊆ wss 3913 𝒫 cpw 4567 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3465 df-ss 3930 df-pw 4569 |
| This theorem is referenced by: pweq 4581 pwel 5353 pwuninel 8271 marypha1lem 9393 pwwf 9779 rankpwi 9795 ackbij2lem1 10201 fictb 10227 ssfin2 10304 ssfin3ds 10314 ttukeylem2 10494 hashbcss 17064 isacs1i 17713 mreacs 17714 acsfn 17715 isacs3lem 18598 isacs5lem 18601 tgcmp 23527 imastopn 23846 fgabs 24005 fgtr 24016 trfg 24017 ssufl 24044 alexsubb 24172 cfiluweak 24420 cmetss 25444 minveclem4a 25558 minveclem4 25560 madess 28025 ldsysgenld 34495 neibastop1 36793 neibastop2lem 36794 neibastop2 36795 sstotbnd2 38347 prjcrv0 43291 isnacs3 43367 aomclem2 43708 sge0iunmptlemre 47055 |
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