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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 4197 | . 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 3907 ⊆ wss 3908 |
| 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 2148 ax-9 2156 ax-ext 2738 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-v 3460 df-in 3915 df-ss 3925 |
| This theorem is used by: fictb 10246 isacs1i 17738 rescabs 17915 lsmdisj 19782 dmdprdsplit2lem 20148 rhmsscrnghm 20801 rngcresringcat 20805 acsfn1p 20939 obselocv 21915 restbas 23352 neitr 23374 restcls 23375 restntr 23376 nrmsep 23551 cldllycmp 23689 fclsneii 24211 tsmsres 24338 trcfilu 24487 metdseq0 25049 iundisj2 25745 uniioombllem3 25781 ppisval 27305 ppisval2 27306 chtwordi 27357 ppiwordi 27363 chpub 27421 chebbnd1lem1 27670 mdbr2 32685 mdslj1i 32708 mdsl2i 32711 mdslmd1lem1 32714 mdslmd3i 32721 mdexchi 32724 sumdmdlem 32807 iundisj2f 32972 iundisj2fi 33179 cycpmco2f1 33475 tocyccntz 33495 esumrnmpt2 34489 bnj1177 35426 sstotbnd2 38466 lcvexchlem5 39853 pnonsingN 40748 dochnoncon 42206 eldioph2lem2 43533 limsupres 46460 limsupresxr 46521 liminfresxr 46522 liminflelimsuplem 46530 ssdisjd 49627 |
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