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Mirrors > Home > ILE Home > Th. List > sseldi | GIF version |
Description: Membership inference from subclass relationship. (Contributed by NM, 25-Jun-2014.) |
Ref | Expression |
---|---|
sseli.1 | ⊢ 𝐴 ⊆ 𝐵 |
sseldi.2 | ⊢ (𝜑 → 𝐶 ∈ 𝐴) |
Ref | Expression |
---|---|
sseldi | ⊢ (𝜑 → 𝐶 ∈ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sseldi.2 | . 2 ⊢ (𝜑 → 𝐶 ∈ 𝐴) | |
2 | sseli.1 | . . 3 ⊢ 𝐴 ⊆ 𝐵 | |
3 | 2 | sseli 3088 | . 2 ⊢ (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵) |
4 | 1, 3 | syl 14 | 1 ⊢ (𝜑 → 𝐶 ∈ 𝐵) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 ⊆ wss 3066 |
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 2119 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-in 3072 df-ss 3079 |
This theorem is referenced by: mptrcl 5496 riotacl 5737 riotasbc 5738 elmpocl 5961 ofrval 5985 f1od2 6125 mpoxopn0yelv 6129 tpostpos 6154 smores 6182 supubti 6879 suplubti 6880 prarloclemcalc 7303 rereceu 7690 recriota 7691 rexrd 7808 eqord1 8238 nnred 8726 nncnd 8727 un0addcl 9003 un0mulcl 9004 nnnn0d 9023 nn0red 9024 nn0xnn0d 9042 suprzclex 9142 nn0zd 9164 zred 9166 rpred 9476 ige2m1fz 9883 zmodfzp1 10114 seq3caopr2 10248 expcl2lemap 10298 m1expcl 10309 summodclem2a 11143 zsumdc 11146 clim2prod 11301 ntrivcvgap 11310 lcmn0cl 11738 ennnfonelemg 11905 lmrcl 12349 lmss 12404 upxp 12430 isxms2 12610 iooretopg 12686 tgqioo 12705 limccoap 12805 dvcl 12810 dvidlemap 12818 dvcnp2cntop 12821 isomninnlem 13214 trilpolemeq1 13222 trilpolemlt1 13223 |
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