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| Mirrors > Home > MPE Home > Th. List > sselii | Structured version Visualization version GIF version | ||
| Description: Membership inference from subclass relationship. (Contributed by NM, 31-May-1999.) |
| Ref | Expression |
|---|---|
| sseli.1 | ⊢ 𝐴 ⊆ 𝐵 |
| sselii.2 | ⊢ 𝐶 ∈ 𝐴 |
| Ref | Expression |
|---|---|
| sselii | ⊢ 𝐶 ∈ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sselii.2 | . 2 ⊢ 𝐶 ∈ 𝐴 | |
| 2 | sseli.1 | . . 3 ⊢ 𝐴 ⊆ 𝐵 | |
| 3 | 2 | sseli 3904 | . 2 ⊢ (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵) |
| 4 | 1, 3 | ax-mp 5 | 1 ⊢ 𝐶 ∈ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 ⊆ wss 3895 |
| 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 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-clel 2835 df-ss 3896 |
| This theorem is used by: sseliALT 5262 fvrn0 6914 ovima0 7601 brtpos0 8254 frrlem14 8321 rdg0 8433 iunfi 9336 rankdmr1 9813 rankeq0b 9880 cardprclem 10064 alephfp2 10192 dfac2b 10213 sdom2en01 10384 fin56 10475 fin1a2lem10 10491 hsmexlem4 10511 canthp1lem2 10742 ax1cn 11238 recni 11327 0xr 11360 pnfxr 11367 nn0rei 12621 nn0cni 12622 0xnn0 12689 nnzi 12724 nn0zi 12725 1q 13096 seqexw 14164 mulgfval 19285 lbsextlem4 21445 qsubdrg 21731 leordtval2 23536 iooordt 23541 hauspwdom 23826 comppfsc 23857 dfac14 23943 filconn 24208 isufil2 24233 iooretop 25090 ovolfiniun 25828 volfiniun 25874 iblabslem 26154 iblabs 26155 bddmulibl 26165 mdegcl 26393 0aa 26655 1aa 26656 iaa 26657 logcn 26981 logccv 26997 leibpi 27276 xrlimcnp 27302 jensen 27322 emre 27339 lgsdir2lem3 27660 shelii 31823 chelii 31841 omlsilem 32010 nonbooli 32259 pjssmii 32289 riesz4 32672 riesz1 32673 cnlnadjeu 32686 nmopadjlei 32696 adjeq0 32699 dp2clq 33494 rpdp2cl 33495 dp2lt10 33497 dp2lt 33498 dp2ltc 33500 dplti 33518 zringfrac 34133 vieta 34259 qqh0 34663 qqh1 34664 qqhcn 34670 rrh0 34694 esumcst 34742 esumrnmpt2 34747 volmeas 34911 hgt750lem 35327 tgoldbachgtde 35336 kur14lem7 36064 kur14lem9 36066 iinllyconn 36106 bj-rdg0gALT 38079 bj-pinftyccb 38236 bj-minftyccb 38240 bj-rrdrg 38305 finixpnum 38622 poimirlem32 38664 ftc1cnnclem 38703 ftc2nc 38714 areacirclem2 38721 prdsbnd 38821 reheibor 38867 rmxyadd 44022 rmxy1 44023 rmxy0 44024 rmydioph 44115 rmxdioph 44117 expdiophlem2 44123 expdioph 44124 mpaaeu 44246 0iscard 44636 1iscard 44637 wfaxrep 46078 wfaxnul 46080 wfaxinf2 46085 fourierdlem85 47295 fourierdlem102 47312 fourierdlem114 47324 iooborel 47455 hoicvrrex 47660 lamberte 48032 |
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