| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > resexg | Unicode version | ||
| Description: The restriction of a set is a set. (Contributed by NM, 28-Mar-1998.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
| Ref | Expression |
|---|---|
| resexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resss 5087 |
. 2
| |
| 2 | ssexg 4272 |
. 2
| |
| 3 | 1, 2 | mpan 428 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4249 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 df-ss 3233 df-res 4786 |
| This theorem is used by: resex 5104 offres 6368 ressuppss 6494 resixp 7015 seqf1oglem2 10971 climres 12087 setsvalg 13433 setsex 13435 setsslid 13454 gzsumsplit1r 13766 znval 15022 znle 15023 znbaslemnn 15025 znleval 15039 uhgrspanop 16645 upgrspanop 16646 umgrspanop 16647 usgrspanop 16648 eupthvdres 16838 eupth2lem3fi 16839 eupth2lembfi 16840 |
| Copyright terms: Public domain | W3C validator |