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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 3091 | . 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 1480 ⊆ wss 3071 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-in 3077 df-ss 3084 |
This theorem is referenced by: sselii 3094 sseldi 3095 elun1 3243 elun2 3244 finds 4514 finds2 4515 issref 4921 2elresin 5234 fvun1 5487 fvmptssdm 5505 elfvmptrab1 5515 fvimacnvi 5534 elpreima 5539 ofrfval 5990 ofvalg 5991 off 5994 offres 6033 eqopi 6070 op1steq 6077 dfoprab4 6090 f1od2 6132 reldmtpos 6150 smores3 6190 smores2 6191 ctssdccl 6996 pinn 7117 indpi 7150 enq0enq 7239 preqlu 7280 elinp 7282 prop 7283 elnp1st2nd 7284 prarloclem5 7308 cauappcvgprlemladd 7466 peano5nnnn 7700 nnindnn 7701 recn 7753 rexr 7811 peano5nni 8723 nnre 8727 nncn 8728 nnind 8736 nnnn0 8984 nn0re 8986 nn0cn 8987 nn0xnn0 9044 nnz 9073 nn0z 9074 nnq 9425 qcn 9426 rpre 9448 iccshftri 9778 iccshftli 9780 iccdili 9782 icccntri 9784 fzval2 9793 fzelp1 9854 4fvwrd4 9917 elfzo1 9967 expcllem 10304 expcl2lemap 10305 m1expcl2 10315 bcm1k 10506 bcpasc 10512 cau3lem 10886 climconst2 11060 fsum3 11156 binomlem 11252 cos12dec 11474 dvdsflip 11549 infssuzcldc 11644 isprm3 11799 phimullem 11901 structcnvcnv 11975 fvsetsid 11993 tgval2 12220 qtopbasss 12690 dedekindicc 12780 ivthinc 12790 ivthdec 12791 cosz12 12861 exmidsbthrlem 13217 |
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