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| Description: Subset theorem for range. |
| Ref | Expression |
|---|---|
| rnss |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvss 4134 |
. . 3
| |
| 2 | dmss 4156 |
. . 3
| |
| 3 | 1, 2 | syl 12 |
. 2
|
| 4 | df-rn 4005 |
. 2
| |
| 5 | df-rn 4005 |
. 2
| |
| 6 | 3, 4, 5 | 3sstr4g 2658 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imass1 4298 imass2 4299 ssxpb 4346 ssrnres 4354 funssxp 4577 fssres 4582 dff2 4789 dff3 4790 1stcof 5040 mapval2 5394 fodom 5960 brdom4 5965 infxpidmlem7 8827 lmsslem 9230 ssga 9455 sspba 9725 fresin 13840 frxp 13951 axdenselem6 14024 svs2 14829 rnhmph 14887 ranleqt 15021 relrded 15089 dmrngcmp 15098 relrcat 15110 cnsubsp 15426 filnet 15645 heiborlem6 15960 heiborlem11 15965 heiborlem12 15966 heiborlem14 15968 heiborlem16 15970 smores 16446 |
| 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-14 1312 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 ax-nul 3445 ax-pow 3481 ax-pr 3524 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-br 3339 df-opab 3396 df-cnv 4002 df-dm 4004 df-rn 4005 |