| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > sseld | GIF version | ||
| Description: Membership deduction from subclass relationship. (Contributed by NM, 15-Nov-1995.) |
| Ref | Expression |
|---|---|
| sseld.1 | ⊢ (𝜑 → 𝐴 ⊆ 𝐵) |
| Ref | Expression |
|---|---|
| sseld | ⊢ (𝜑 → (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sseld.1 | . 2 ⊢ (𝜑 → 𝐴 ⊆ 𝐵) | |
| 2 | ssel 3221 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (𝐶 ∈ 𝐴 → 𝐶 ∈ 𝐵)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2202 ⊆ wss 3200 |
| 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 |
| This theorem is referenced by: sselda 3227 sseldd 3228 ssneld 3229 elelpwi 3664 ssbrd 4131 uniopel 4349 onintonm 4615 sucprcreg 4647 ordsuc 4661 0elnn 4717 dmrnssfld 4995 nfunv 5359 opelf 5507 fvimacnv 5762 ffvelcdm 5780 resflem 5811 f1imass 5915 dftpos3 6428 nnmordi 6684 mapsn 6859 ixpf 6889 pw2f1odclem 7020 diffifi 7083 ordiso2 7234 difinfinf 7300 exmidapne 7479 prarloclemarch2 7639 ltexprlemrl 7830 cauappcvgprlemladdrl 7877 caucvgprlemladdrl 7898 caucvgprlem1 7899 axpre-suploclemres 8121 uzind 9591 supinfneg 9829 infsupneg 9830 ixxssxr 10135 elfz0add 10355 fzoss1 10408 elfzoextl 10437 frecuzrdgrclt 10678 ccatval2 11179 swrdswrd 11290 pfxccatin12lem2a 11312 swrdccatin2 11314 pfxccatpfx2 11322 fsum3cvg 11957 isumrpcl 12073 fproddccvg 12151 reumodprminv 12844 issubmnd 13543 issubg2m 13794 eqgid 13831 issubrng2 14243 subrgdvds 14268 issubrg2 14274 lssats2 14447 rnglidlmmgm 14529 rnglidlmsgrp 14530 rnglidlrng 14531 mplbasss 14729 lmtopcnp 14993 txuni2 14999 tx1cn 15012 tx2cn 15013 txlm 15022 imasnopn 15042 xmetunirn 15101 mopnval 15185 metrest 15249 dedekindicc 15376 ivthdec 15387 limcimolemlt 15407 plyssc 15482 edgupgren 16011 subgreldmiedg 16139 clwwlkccatlem 16270 eupth2lemsfi 16348 bj-charfundc 16454 bj-nnord 16604 |
| Copyright terms: Public domain | W3C validator |