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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 3218 | . 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 3197 |
| 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 3203 df-ss 3210 |
| This theorem is referenced by: sselii 3221 sselid 3222 elun1 3371 elun2 3372 elopabr 4371 elopabran 4372 finds 4692 finds2 4693 issref 5111 2elresin 5434 fvun1 5702 fvmptssdm 5721 elfvmptrab1 5731 fvimacnvi 5751 elpreima 5756 ofrfval 6233 ofvalg 6234 off 6237 offres 6286 eqopi 6324 op1steq 6331 dfoprab4 6344 f1od2 6387 reldmtpos 6405 smores3 6445 smores2 6446 ctssdccl 7289 pinn 7507 indpi 7540 enq0enq 7629 preqlu 7670 elinp 7672 prop 7673 elnp1st2nd 7674 prarloclem5 7698 cauappcvgprlemladd 7856 peano5nnnn 8090 nnindnn 8091 recn 8143 rexr 8203 peano5nni 9124 nnre 9128 nncn 9129 nnind 9137 nnnn0 9387 nn0re 9389 nn0cn 9390 nn0xnn0 9447 nnz 9476 nn0z 9477 nnq 9840 qcn 9841 rpre 9868 iccshftri 10203 iccshftli 10205 iccdili 10207 icccntri 10209 fzval2 10219 fzelp1 10282 4fvwrd4 10348 elfzo1 10403 infssuzcldc 10467 expcllem 10784 expcl2lemap 10785 m1expcl2 10795 bcm1k 10994 bcpasc 11000 wrdv 11100 ccatclab 11142 pfxfv0 11239 pfxfvlsw 11242 cau3lem 11640 climconst2 11817 fsum3 11913 binomlem 12009 fprodge1 12165 cos12dec 12294 dvdsflip 12377 isprm3 12655 phimullem 12762 prmdiveq 12773 structcnvcnv 13063 fvsetsid 13081 ptex 13312 nmzsubg 13762 nmznsg 13765 nzrring 14162 lringnzr 14172 rege0subm 14563 znrrg 14639 tgval2 14740 qtopbasss 15210 dedekindicc 15322 ivthinc 15332 ivthdec 15333 dvply2 15456 cosz12 15469 cos0pilt1 15541 ioocosf1o 15543 mpodvdsmulf1o 15679 fsumdvdsmul 15680 lgsquadlemofi 15770 lgsquadlem1 15771 lgsquadlem2 15772 wlk1walkdom 16100 exmidsbthrlem 16450 |
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