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| 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 5089 |
. 2
| |
| 2 | ssexg 4274 |
. 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 4251 |
| 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 4788 |
| This theorem is used by: resexd 5106 resex 5107 offres 6372 ressuppss 6498 resixp 7019 seqf1oglem2 10978 climres 12094 setsvalg 13440 setsex 13442 setsslid 13461 gzsumsplit1r 13774 znval 15080 znle 15081 znbaslemnn 15083 znleval 15097 uhgrspanop 16728 upgrspanop 16729 umgrspanop 16730 usgrspanop 16731 eupthvdres 16921 eupth2lem3fi 16922 eupth2lembfi 16923 |
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