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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 4566 | . 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 3902 𝒫 cpw 4555 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-v 3443 df-ss 3919 df-pw 4557 |
| This theorem is referenced by: pweq 4569 pwel 5327 marypha1lem 9340 pwwf 9723 rankpwi 9739 ackbij2lem1 10132 fictb 10158 ssfin2 10234 ssfin3ds 10244 ttukeylem2 10424 hashbcss 16936 isacs1i 17584 mreacs 17585 acsfn 17586 isacs3lem 18469 isacs5lem 18472 tgcmp 23349 imastopn 23668 fgabs 23827 fgtr 23838 trfg 23839 ssufl 23866 alexsubb 23994 cfiluweak 24242 cmetss 25276 minveclem4a 25390 minveclem4 25392 madess 27866 ldsysgenld 34319 neibastop1 36555 neibastop2lem 36556 neibastop2 36557 sstotbnd2 37977 prjcrv0 42943 isnacs3 43019 aomclem2 43364 sge0iunmptlemre 46726 |
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