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| Mirrors > Home > ILE Home > Th. List > sseli | GIF version | ||
| Description: Membership inference from subclass relationship. (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| sseli.1 | ⊢ 𝐴 ⊆ 𝐵 |
| Ref | Expression |
|---|---|
| sseli | ⊢ (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sseli.1 | . 2 ⊢ 𝐴 ⊆ 𝐵 | |
| 2 | ssel 3219 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ⊆ wss 3198 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3204 df-ss 3211 |
| This theorem is referenced by: sselii 3222 sselid 3223 elun1 3372 elun2 3373 elopabr 4375 elopabran 4376 finds 4696 finds2 4697 issref 5117 2elresin 5440 fvun1 5708 fvmptssdm 5727 elfvmptrab1 5737 fvimacnvi 5757 elpreima 5762 ofrfval 6239 ofvalg 6240 off 6243 offres 6292 eqopi 6330 op1steq 6337 dfoprab4 6350 f1od2 6395 reldmtpos 6414 smores3 6454 smores2 6455 ctssdccl 7301 pinn 7519 indpi 7552 enq0enq 7641 preqlu 7682 elinp 7684 prop 7685 elnp1st2nd 7686 prarloclem5 7710 cauappcvgprlemladd 7868 peano5nnnn 8102 nnindnn 8103 recn 8155 rexr 8215 peano5nni 9136 nnre 9140 nncn 9141 nnind 9149 nnnn0 9399 nn0re 9401 nn0cn 9402 nn0xnn0 9459 nnz 9488 nn0z 9489 uzuzle35 9789 nnq 9857 qcn 9858 rpre 9885 iccshftri 10220 iccshftli 10222 iccdili 10224 icccntri 10226 fzval2 10236 fzelp1 10299 4fvwrd4 10365 elfzo1 10420 infssuzcldc 10485 expcllem 10802 expcl2lemap 10803 m1expcl2 10813 bcm1k 11012 bcpasc 11018 wrdv 11119 ccatclab 11161 pfxfv0 11263 pfxfvlsw 11266 cau3lem 11665 climconst2 11842 fsum3 11938 binomlem 12034 fprodge1 12190 cos12dec 12319 dvdsflip 12402 isprm3 12680 phimullem 12787 prmdiveq 12798 structcnvcnv 13088 fvsetsid 13106 ptex 13337 nmzsubg 13787 nmznsg 13790 nzrring 14187 lringnzr 14197 rege0subm 14588 znrrg 14664 tgval2 14765 qtopbasss 15235 dedekindicc 15347 ivthinc 15357 ivthdec 15358 dvply2 15481 cosz12 15494 cos0pilt1 15566 ioocosf1o 15568 mpodvdsmulf1o 15704 fsumdvdsmul 15705 lgsquadlemofi 15795 lgsquadlem1 15796 lgsquadlem2 15797 wlk1walkdom 16156 exmidsbthrlem 16562 |
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