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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 2059 |
. . . . . . 7
| |
| 2 | visset 1809 |
. . . . . . . . 9
| |
| 3 | 2 | opeldm 3309 |
. . . . . . . 8
|
| 4 | 3 | a1i 8 |
. . . . . . 7
|
| 5 | 1, 4 | jcad 599 |
. . . . . 6
|
| 6 | 5 | adantl 388 |
. . . . 5
|
| 7 | eupick 1432 |
. . . . . . . . . . . 12
| |
| 8 | funeu2 3530 |
. . . . . . . . . . . 12
| |
| 9 | 1 | ancrd 299 |
. . . . . . . . . . . . . . 15
|
| 10 | 9 | 19.22dv 1288 |
. . . . . . . . . . . . . 14
|
| 11 | 2 | eldm2 3303 |
. . . . . . . . . . . . . 14
|
| 12 | 10, 11 | syl5ib 206 |
. . . . . . . . . . . . 13
|
| 13 | 12 | imp 350 |
. . . . . . . . . . . 12
|
| 14 | 7, 8, 13 | syl2an 454 |
. . . . . . . . . . 11
|
| 15 | 14 | exp43 384 |
. . . . . . . . . 10
|
| 16 | 15 | com23 32 |
. . . . . . . . 9
|
| 17 | 16 | imp 350 |
. . . . . . . 8
|
| 18 | 17 | com34 36 |
. . . . . . 7
|
| 19 | 18 | pm2.43d 65 |
. . . . . 6
|
| 20 | 19 | imp3a 361 |
. . . . 5
|
| 21 | 6, 20 | impbid 515 |
. . . 4
|
| 22 | visset 1809 |
. . . . 5
| |
| 23 | 22 | opelres 3364 |
. . . 4
|
| 24 | 21, 23 | syl6rbbr 538 |
. . 3
|
| 25 | 24 | 19.21aivv 1285 |
. 2
|
| 26 | relss 3241 |
. . . . . 6
| |
| 27 | funrel 3525 |
. . . . . 6
| |
| 28 | 26, 27 | syl5com 52 |
. . . . 5
|
| 29 | 28 | imp 350 |
. . . 4
|
| 30 | relres 3379 |
. . . 4
| |
| 31 | 29, 30 | jctil 292 |
. . 3
|
| 32 | eqrel 3245 |
. . 3
| |
| 33 | 31, 32 | syl 10 |
. 2
|
| 34 | 25, 33 | mpbird 196 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fun2ssres 3545 funcnvres 3560 funssfv 3726 oprssoprval 4025 climuz0 7053 dfef2 7257 metcnss 7850 metcnss2 7851 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-sep 2698 ax-pow 2737 ax-pr 2774 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-v 1808 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-nul 2277 df-pw 2398 df-sn 2408 df-pr 2409 df-op 2412 df-br 2615 df-opab 2662 df-id 2830 df-xp 3179 df-rel 3180 df-cnv 3181 df-co 3182 df-dm 3183 df-res 3185 df-fun 3187 |