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| Description: The restriction of a set is a set. (The proof was shortened by Andrew Salmon, 27-Aug-2011.) |
| Ref | Expression |
|---|---|
| resexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resss 4237 |
. 2
| |
| 2 | ssexg 3457 |
. 2
| |
| 3 | 1, 2 | mpan 759 |
1
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| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ac6sfi 5509 mapunen 5596 php3 5609 ssfi 5630 fodomfi 5656 seq1res 7740 seq0fval 7778 seqzfval 7780 seqzresval 7802 seqzres 7803 dfseq0 7806 climresi 8365 clim2serzi 8405 ruclem5 8783 metreslem 9099 ssga 9455 fbssint 10279 hhssva 10762 hhsssm 10763 hhssnm 10764 hhshsslem1 10770 hhsssh2 10773 seqzresval2 13616 seq1resval 13617 seq1resval2 13618 axfelem15 14045 prjmapcp 14507 prjnpl 14510 prjmapcp2 14515 nZdef 14527 resex 15698 sdc 15811 cnres 15889 sstotbnd 15936 reheibor 16025 exidres 16031 exidresid 16032 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-in 2603 df-ss 2605 df-res 4006 |