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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 7452 pinn 7677 indpi 7710 enq0enq 7799 preqlu 7840 elinp 7842 prop 7843 elnp1st2nd 7844 prarloclem5 7868 cauappcvgprlemladd 8026 peano5nnnn 8260 nnindnn 8261 recn 8313 rexr 8372 peano5nni 9310 nnre 9314 nncn 9315 nnind 9323 nnnn0 9575 nn0re 9577 nn0cn 9578 nn0xnn0 9639 nnz 9668 nn0z 9669 uzuzle35 9975 nnq 10043 qcn 10044 rpre 10072 iccshftri 10408 iccshftli 10410 iccdili 10412 icccntri 10414 fzval2 10425 fzelp1 10492 4fvwrd4 10558 elfzo1 10614 infssuzcldc 10679 expcllem 11002 expcl2lemap 11003 m1expcl2 11013 bcm1k 11214 bcpasc 11220 hashfibclem 11298 wrdv 11336 ccatclab 11378 pfxfv0 11480 pfxfvlsw 11483 cau3lem 11897 climconst2 12076 fsum3 12173 binomlem 12269 fprodge1 12425 cos12dec 12554 dvdsflip 12637 isprm3 12915 phimullem 13026 prmdiveq 13037 ballotfilemfc0 13284 ballotfilemfcc 13285 ballotfilemfmpn 13286 ballotfilemodife 13292 ballotfilemfrceq 13324 structcnvcnv 13420 fvsetsid 13438 ptex 13671 nmzsubg 14066 nmznsg 14069 cntzm 14155 cntzmhm 14167 nzrring 14574 lringnzr 14584 rege0subm 15005 znrrg 15079 psrbagconf1o 15149 tgval2 15243 qtopbasss 15713 dedekindicc 15825 ivthinc 15835 ivthdec 15836 dvply2 15959 cosz12 15973 cos0pilt1 16045 ioocosf1o 16047 mpodvdsmulf1o 16245 fsumdvdsmul 16246 lgsquadlemofi 16361 lgsquadlem1 16362 lgsquadlem2 16363 wlk1walkdom 16766 exmidsbthrlem 17233 |
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