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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 4190 | . 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 3901 ⊆ wss 3902 |
| 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 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-v 3455 df-in 3909 df-ss 3919 |
| This theorem is used by: fictb 10250 isacs1i 17751 rescabs 17928 lsmdisj 19814 dmdprdsplit2lem 20180 rhmsscrnghm 20833 rngcresringcat 20837 acsfn1p 20971 obselocv 21947 restbas 23389 neitr 23411 restcls 23412 restntr 23413 nrmsep 23588 cldllycmp 23727 fclsneii 24249 tsmsres 24376 trcfilu 24525 metdseq0 25087 iundisj2 25783 uniioombllem3 25819 ppisval 27348 ppisval2 27349 chtwordi 27400 ppiwordi 27406 chpub 27464 chebbnd1lem1 27713 mdbr2 32785 mdslj1i 32808 mdsl2i 32811 mdslmd1lem1 32814 mdslmd3i 32821 mdexchi 32824 sumdmdlem 32907 iundisj2f 33071 iundisj2fi 33276 cycpmco2f1 33572 tocyccntz 33592 esumrnmpt2 34586 bnj1177 35523 sstotbnd2 38532 lcvexchlem5 39919 pnonsingN 40814 dochnoncon 42272 eldioph2lem2 43614 limsupres 46541 limsupresxr 46602 liminfresxr 46603 liminflelimsuplem 46611 ssdisjd 49744 |
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