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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 3222 | . 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 2202 ⊆ wss 3201 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3207 df-ss 3214 |
| This theorem is referenced by: sselii 3225 sselid 3226 elun1 3376 elun2 3377 elopabr 4383 elopabran 4384 finds 4704 finds2 4705 issref 5126 2elresin 5450 fvun1 5721 fvmptssdm 5740 elfvmptrab1 5750 fvimacnvi 5770 elpreima 5775 ofrfval 6253 ofvalg 6254 off 6257 offres 6306 eqopi 6344 op1steq 6351 dfoprab4 6364 f1od2 6409 reldmtpos 6462 smores3 6502 smores2 6503 ctssdccl 7353 pinn 7572 indpi 7605 enq0enq 7694 preqlu 7735 elinp 7737 prop 7738 elnp1st2nd 7739 prarloclem5 7763 cauappcvgprlemladd 7921 peano5nnnn 8155 nnindnn 8156 recn 8208 rexr 8267 peano5nni 9188 nnre 9192 nncn 9193 nnind 9201 nnnn0 9451 nn0re 9453 nn0cn 9454 nn0xnn0 9513 nnz 9542 nn0z 9543 uzuzle35 9843 nnq 9911 qcn 9912 rpre 9939 iccshftri 10274 iccshftli 10276 iccdili 10278 icccntri 10280 fzval2 10291 fzelp1 10354 4fvwrd4 10420 elfzo1 10476 infssuzcldc 10541 expcllem 10858 expcl2lemap 10859 m1expcl2 10869 bcm1k 11068 bcpasc 11074 wrdv 11178 ccatclab 11220 pfxfv0 11322 pfxfvlsw 11325 cau3lem 11737 climconst2 11914 fsum3 12011 binomlem 12107 fprodge1 12263 cos12dec 12392 dvdsflip 12475 isprm3 12753 phimullem 12860 prmdiveq 12871 structcnvcnv 13161 fvsetsid 13179 ptex 13410 nmzsubg 13860 nmznsg 13863 nzrring 14261 lringnzr 14271 rege0subm 14663 znrrg 14739 psrbagconf1o 14757 tgval2 14845 qtopbasss 15315 dedekindicc 15427 ivthinc 15437 ivthdec 15438 dvply2 15561 cosz12 15574 cos0pilt1 15646 ioocosf1o 15648 mpodvdsmulf1o 15787 fsumdvdsmul 15788 lgsquadlemofi 15878 lgsquadlem1 15879 lgsquadlem2 15880 wlk1walkdom 16283 exmidsbthrlem 16733 |
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