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| Mirrors > Home > MPE Home > Th. List > ssrind | Structured version Visualization version GIF version | ||
| Description: Add right intersection to subclass relation. (Contributed by Glauco Siliprandi, 2-Jan-2022.) |
| Ref | Expression |
|---|---|
| ssrind.1 | ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Ref | Expression |
|---|---|
| ssrind | ⊢ (𝜑 → (𝐴 ∩ 𝐶) ⊆ (𝐵 ∩ 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssrind.1 | . 2 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) | |
| 2 | ssrin 4193 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐴 ∩ 𝐶) ⊆ (𝐵 ∩ 𝐶)) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 ∩ 𝐶) ⊆ (𝐵 ∩ 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∩ cin 3903 ⊆ wss 3904 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1562 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-v 3455 df-in 3911 df-ss 3921 |
| This theorem is referenced by: fictb 10197 isacs1i 17672 rescabs 17849 lsmdisj 19704 dmdprdsplit2lem 20070 rhmsscrnghm 20694 rngcresringcat 20698 acsfn1p 20828 obselocv 21760 restbas 23198 neitr 23220 restcls 23221 restntr 23222 nrmsep 23397 cldllycmp 23535 fclsneii 24057 tsmsres 24184 trcfilu 24333 metdseq0 24895 iundisj2 25591 uniioombllem3 25627 ppisval 27145 ppisval2 27146 chtwordi 27197 ppiwordi 27203 chpub 27261 chebbnd1lem1 27510 mdbr2 32445 mdslj1i 32468 mdsl2i 32471 mdslmd1lem1 32474 mdslmd3i 32481 mdexchi 32484 sumdmdlem 32567 iundisj2f 32739 iundisj2fi 32949 cycpmco2f1 33265 tocyccntz 33285 esumrnmpt2 34326 bnj1177 35265 sstotbnd2 38237 lcvexchlem5 39626 pnonsingN 40521 dochnoncon 41979 eldioph2lem2 43306 limsupres 46243 limsupresxr 46304 liminfresxr 46305 liminflelimsuplem 46313 ssdisjd 49393 |
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