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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 3242 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ⊆ wss 3220 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 |
| This theorem is used by: sselii 3245 sselid 3246 elun1 3396 elun2 3397 elopabr 4425 elopabran 4426 finds 4747 finds2 4748 issref 5170 2elresin 5494 fvun1 5769 fvmptssdm 5790 elfvmptrab1 5801 fvopab4ndm 5803 fvimacnvi 5823 elpreima 5828 ofrfval 6311 ofvalg 6312 off 6315 offres 6368 eqopi 6406 op1steq 6413 dfoprab4 6426 f1od2 6471 reldmtpos 6524 smores3 6564 smores2 6565 ctssdccl 7451 pinn 7676 indpi 7709 enq0enq 7798 preqlu 7839 elinp 7841 prop 7842 elnp1st2nd 7843 prarloclem5 7867 cauappcvgprlemladd 8025 peano5nnnn 8259 nnindnn 8260 recn 8312 rexr 8371 peano5nni 9309 nnre 9313 nncn 9314 nnind 9322 nnnn0 9574 nn0re 9576 nn0cn 9577 nn0xnn0 9638 nnz 9667 nn0z 9668 uzuzle35 9974 nnq 10042 qcn 10043 rpre 10071 iccshftri 10407 iccshftli 10409 iccdili 10411 icccntri 10413 fzval2 10424 fzelp1 10491 4fvwrd4 10557 elfzo1 10613 infssuzcldc 10678 expcllem 11000 expcl2lemap 11001 m1expcl2 11011 bcm1k 11212 bcpasc 11218 hashfibclem 11296 wrdv 11334 ccatclab 11376 pfxfv0 11478 pfxfvlsw 11481 cau3lem 11895 climconst2 12073 fsum3 12170 binomlem 12266 fprodge1 12422 cos12dec 12551 dvdsflip 12634 isprm3 12912 phimullem 13023 prmdiveq 13034 ballotfilemfc0 13281 ballotfilemfcc 13282 ballotfilemfmpn 13283 ballotfilemodife 13289 ballotfilemfrceq 13321 structcnvcnv 13417 fvsetsid 13435 ptex 13667 nmzsubg 14062 nmznsg 14065 nzrring 14539 lringnzr 14549 rege0subm 14970 znrrg 15044 psrbagconf1o 15113 tgval2 15201 qtopbasss 15671 dedekindicc 15783 ivthinc 15793 ivthdec 15794 dvply2 15917 cosz12 15931 cos0pilt1 16003 ioocosf1o 16005 mpodvdsmulf1o 16185 fsumdvdsmul 16186 lgsquadlemofi 16293 lgsquadlem1 16294 lgsquadlem2 16295 wlk1walkdom 16698 exmidsbthrlem 17165 |
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