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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 4187 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐴 ∩ 𝐶) ⊆ (𝐵 ∩ 𝐶)) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (𝐴 ∩ 𝐶) ⊆ (𝐵 ∩ 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∩ cin 3898 ⊆ wss 3899 |
| 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 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-v 3453 df-in 3906 df-ss 3916 |
| This theorem is used by: fictb 10303 isacs1i 17811 rescabs 17988 lsmdisj 19875 dmdprdsplit2lem 20241 rhmsscrnghm 20897 rngcresringcat 20901 acsfn1p 21036 obselocv 22014 restbas 23456 neitr 23478 restcls 23479 restntr 23480 nrmsep 23655 cldllycmp 23794 fclsneii 24316 tsmsres 24443 trcfilu 24592 metdseq0 25154 iundisj2 25850 uniioombllem3 25886 ppisval 27413 ppisval2 27414 chtwordi 27465 ppiwordi 27471 chpub 27529 chebbnd1lem1 27778 mdbr2 32880 mdslj1i 32903 mdsl2i 32906 mdslmd1lem1 32909 mdslmd3i 32916 mdexchi 32919 sumdmdlem 33002 iundisj2f 33166 iundisj2fi 33371 cycpmco2f1 33667 tocyccntz 33687 esumrnmpt2 34682 bnj1177 35619 sstotbnd2 38676 lcvexchlem5 40063 pnonsingN 40958 dochnoncon 42416 eldioph2lem2 43725 limsupres 46659 limsupresxr 46720 liminfresxr 46721 liminflelimsuplem 46729 ssdisjd 49862 |
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