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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 9307 nnre 9311 nncn 9312 nnind 9320 nnnn0 9570 nn0re 9572 nn0cn 9573 nn0xnn0 9634 nnz 9663 nn0z 9664 uzuzle35 9965 nnq 10033 qcn 10034 rpre 10061 iccshftri 10397 iccshftli 10399 iccdili 10401 icccntri 10403 fzval2 10414 fzelp1 10481 4fvwrd4 10547 elfzo1 10603 infssuzcldc 10668 expcllem 10987 expcl2lemap 10988 m1expcl2 10998 bcm1k 11198 bcpasc 11204 hashfibclem 11282 wrdv 11320 ccatclab 11362 pfxfv0 11464 pfxfvlsw 11467 cau3lem 11880 climconst2 12057 fsum3 12154 binomlem 12250 fprodge1 12406 cos12dec 12535 dvdsflip 12618 isprm3 12896 phimullem 13003 prmdiveq 13014 ballotfilemfc0 13232 ballotfilemfcc 13233 ballotfilemfmpn 13234 ballotfilemodife 13240 ballotfilemfrceq 13272 structcnvcnv 13368 fvsetsid 13386 ptex 13618 nmzsubg 14013 nmznsg 14016 nzrring 14490 lringnzr 14500 rege0subm 14921 znrrg 14995 psrbagconf1o 15064 tgval2 15152 qtopbasss 15622 dedekindicc 15734 ivthinc 15744 ivthdec 15745 dvply2 15868 cosz12 15881 cos0pilt1 15953 ioocosf1o 15955 mpodvdsmulf1o 16104 fsumdvdsmul 16105 lgsquadlemofi 16195 lgsquadlem1 16196 lgsquadlem2 16197 wlk1walkdom 16600 exmidsbthrlem 17067 |
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