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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 4177 | . 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 3889 ⊆ wss 3890 |
| 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 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-v 3434 df-in 3897 df-ss 3907 |
| This theorem is referenced by: fictb 10164 isacs1i 17621 rescabs 17798 lsmdisj 19654 dmdprdsplit2lem 20020 rhmsscrnghm 20644 rngcresringcat 20648 acsfn1p 20778 obselocv 21710 restbas 23148 neitr 23170 restcls 23171 restntr 23172 nrmsep 23347 cldllycmp 23485 fclsneii 24007 tsmsres 24134 trcfilu 24283 metdseq0 24845 iundisj2 25541 uniioombllem3 25577 ppisval 27092 ppisval2 27093 chtwordi 27144 ppiwordi 27150 chpub 27208 chebbnd1lem1 27457 mdbr2 32392 mdslj1i 32415 mdsl2i 32418 mdslmd1lem1 32421 mdslmd3i 32428 mdexchi 32431 sumdmdlem 32514 iundisj2f 32686 iundisj2fi 32896 cycpmco2f1 33212 tocyccntz 33232 esumrnmpt2 34259 bnj1177 35195 sstotbnd2 38148 lcvexchlem5 39537 pnonsingN 40432 dochnoncon 41890 eldioph2lem2 43217 limsupres 46155 limsupresxr 46216 liminfresxr 46217 liminflelimsuplem 46225 ssdisjd 49305 |
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