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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 3231 | . 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 2203 ⊆ wss 3210 |
| 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-in 3216 df-ss 3223 |
| This theorem is referenced by: sselii 3234 sselid 3235 elun1 3385 elun2 3386 elopabr 4400 elopabran 4401 finds 4721 finds2 4722 issref 5144 2elresin 5468 fvun1 5742 fvmptssdm 5761 elfvmptrab1 5771 fvimacnvi 5791 elpreima 5796 ofrfval 6274 ofvalg 6275 off 6278 offres 6327 eqopi 6365 op1steq 6372 dfoprab4 6385 f1od2 6430 reldmtpos 6483 smores3 6523 smores2 6524 ctssdccl 7401 pinn 7623 indpi 7656 enq0enq 7745 preqlu 7786 elinp 7788 prop 7789 elnp1st2nd 7790 prarloclem5 7814 cauappcvgprlemladd 7972 peano5nnnn 8206 nnindnn 8207 recn 8259 rexr 8318 peano5nni 9239 nnre 9243 nncn 9244 nnind 9252 nnnn0 9502 nn0re 9504 nn0cn 9505 nn0xnn0 9566 nnz 9595 nn0z 9596 uzuzle35 9896 nnq 9964 qcn 9965 rpre 9992 iccshftri 10327 iccshftli 10329 iccdili 10331 icccntri 10333 fzval2 10344 fzelp1 10407 4fvwrd4 10473 elfzo1 10529 infssuzcldc 10594 expcllem 10911 expcl2lemap 10912 m1expcl2 10922 bcm1k 11121 bcpasc 11127 hashfibclem 11202 wrdv 11236 ccatclab 11278 pfxfv0 11380 pfxfvlsw 11383 cau3lem 11795 climconst2 11972 fsum3 12069 binomlem 12165 fprodge1 12321 cos12dec 12450 dvdsflip 12533 isprm3 12811 phimullem 12918 prmdiveq 12929 structcnvcnv 13220 fvsetsid 13238 ptex 13469 nmzsubg 13919 nmznsg 13922 nzrring 14320 lringnzr 14330 rege0subm 14724 znrrg 14800 psrbagconf1o 14820 tgval2 14908 qtopbasss 15378 dedekindicc 15490 ivthinc 15500 ivthdec 15501 dvply2 15624 cosz12 15637 cos0pilt1 15709 ioocosf1o 15711 mpodvdsmulf1o 15850 fsumdvdsmul 15851 lgsquadlemofi 15941 lgsquadlem1 15942 lgsquadlem2 15943 wlk1walkdom 16346 exmidsbthrlem 16794 |
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