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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 4171 | . 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 3882 ⊆ wss 3883 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-v 3433 df-in 3890 df-ss 3900 |
| This theorem is referenced by: fictb 10158 isacs1i 17615 rescabs 17792 lsmdisj 19648 dmdprdsplit2lem 20014 rhmsscrnghm 20638 rngcresringcat 20642 acsfn1p 20772 obselocv 21704 restbas 23142 neitr 23164 restcls 23165 restntr 23166 nrmsep 23341 cldllycmp 23479 fclsneii 24001 tsmsres 24128 trcfilu 24277 metdseq0 24839 iundisj2 25535 uniioombllem3 25571 ppisval 27086 ppisval2 27087 chtwordi 27138 ppiwordi 27144 chpub 27202 chebbnd1lem1 27451 mdbr2 32386 mdslj1i 32409 mdsl2i 32412 mdslmd1lem1 32415 mdslmd3i 32422 mdexchi 32425 sumdmdlem 32508 iundisj2f 32680 iundisj2fi 32890 cycpmco2f1 33206 tocyccntz 33226 esumrnmpt2 34261 bnj1177 35197 sstotbnd2 38150 lcvexchlem5 39539 pnonsingN 40434 dochnoncon 41892 eldioph2lem2 43219 limsupres 46156 limsupresxr 46217 liminfresxr 46218 liminflelimsuplem 46226 ssdisjd 49306 |
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