| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: The restriction of a function to the domain of a subclass equals the subclass. |
| Ref | Expression |
|---|---|
| funssres |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssel 2615 |
. . . . . . 7
| |
| 2 | visset 2295 |
. . . . . . . . 9
| |
| 3 | 2 | opeldm 4160 |
. . . . . . . 8
|
| 4 | 3 | a1i 8 |
. . . . . . 7
|
| 5 | 1, 4 | jcad 661 |
. . . . . 6
|
| 6 | 5 | adantl 424 |
. . . . 5
|
| 7 | eupick 1834 |
. . . . . . . . . . . 12
| |
| 8 | funeu2 4446 |
. . . . . . . . . . . 12
| |
| 9 | 1 | ancrd 323 |
. . . . . . . . . . . . . . 15
|
| 10 | 9 | eximdv 1669 |
. . . . . . . . . . . . . 14
|
| 11 | 2 | eldm2 4154 |
. . . . . . . . . . . . . 14
|
| 12 | 10, 11 | syl5ib 223 |
. . . . . . . . . . . . 13
|
| 13 | 12 | imp 377 |
. . . . . . . . . . . 12
|
| 14 | 7, 8, 13 | syl2an 503 |
. . . . . . . . . . 11
|
| 15 | 14 | exp43 415 |
. . . . . . . . . 10
|
| 16 | 15 | com23 36 |
. . . . . . . . 9
|
| 17 | 16 | imp 377 |
. . . . . . . 8
|
| 18 | 17 | com34 40 |
. . . . . . 7
|
| 19 | 18 | pm2.43d 79 |
. . . . . 6
|
| 20 | 19 | imp3a 388 |
. . . . 5
|
| 21 | 6, 20 | impbid 574 |
. . . 4
|
| 22 | visset 2295 |
. . . . 5
| |
| 23 | 22 | opelres 4222 |
. . . 4
|
| 24 | 21, 23 | syl6rbbr 598 |
. . 3
|
| 25 | 24 | 19.21aivv 1665 |
. 2
|
| 26 | eqrel 4077 |
. . 3
| |
| 27 | relres 4242 |
. . 3
| |
| 28 | relss 4074 |
. . . . 5
| |
| 29 | funrel 4438 |
. . . . 5
| |
| 30 | 28, 29 | syl5com 63 |
. . . 4
|
| 31 | 30 | imp 377 |
. . 3
|
| 32 | 26, 27, 31 | sylancr 526 |
. 2
|
| 33 | 25, 32 | mpbird 213 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fun2ssres 4461 funcnvres 4487 funssfv 4692 oprssoprv 4964 climuz0i 8368 dfef2i 8569 metcnss 9176 metcnss2 9177 funpsstri 13835 oprssoprvg 14335 svs2 14829 svs3 14830 |
| 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-id 3586 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-res 4006 df-fun 4008 |