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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 4138 | . 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 ⊆ wss 3895 ∩ cin 4089 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3896 df-in 4091 |
| This theorem is used by: fictb 10326 isacs1i 17837 rescabs 18014 lsmdisj 19901 dmdprdsplit2lem 20267 rhmsscrnghm 20923 rngcresringcat 20927 acsfn1p 21062 obselocv 22040 restbas 23482 neitr 23504 restcls 23505 restntr 23506 nrmsep 23681 cldllycmp 23820 fclsneii 24342 tsmsres 24469 trcfilu 24618 metdseq0 25180 iundisj2 25876 uniioombllem3 25912 ppisval 27437 ppisval2 27438 chtwordi 27489 ppiwordi 27495 chpub 27553 chebbnd1lem1 27802 mdbr2 32904 mdslj1i 32927 mdsl2i 32930 mdslmd1lem1 32933 mdslmd3i 32940 mdexchi 32943 sumdmdlem 33026 iundisj2f 33232 iundisj2fi 33436 cycpmco2f1 33732 tocyccntz 33752 esumrnmpt2 34747 bnj1177 35683 sstotbnd2 38802 lcvexchlem5 40189 pnonsingN 41084 dochnoncon 42542 eldioph2lem2 43866 limsupres 46809 limsupresxr 46870 liminfresxr 46871 liminflelimsuplem 46879 ssdisjd 50012 |
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