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| Mirrors > Home > ILE Home > Th. List > imain | Unicode version | ||
| Description: The image of an intersection is the intersection of images. (Contributed by Paul Chapman, 11-Apr-2009.) |
| Ref | Expression |
|---|---|
| imain |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imainlem 4980 |
. . 3
| |
| 2 | 1 | a1i 9 |
. 2
|
| 3 | eeanv 1807 |
. . . . . 6
| |
| 4 | simprll 489 |
. . . . . . . . . . 11
| |
| 5 | simpr 103 |
. . . . . . . . . . . . . 14
| |
| 6 | simpr 103 |
. . . . . . . . . . . . . 14
| |
| 7 | 5, 6 | anim12i 321 |
. . . . . . . . . . . . 13
|
| 8 | funcnveq 4962 |
. . . . . . . . . . . . . . . . 17
| |
| 9 | 8 | biimpi 113 |
. . . . . . . . . . . . . . . 16
|
| 10 | 9 | 19.21bi 1450 |
. . . . . . . . . . . . . . 15
|
| 11 | 10 | 19.21bbi 1451 |
. . . . . . . . . . . . . 14
|
| 12 | 11 | imp 115 |
. . . . . . . . . . . . 13
|
| 13 | 7, 12 | sylan2 270 |
. . . . . . . . . . . 12
|
| 14 | simprrl 491 |
. . . . . . . . . . . 12
| |
| 15 | 13, 14 | eqeltrd 2114 |
. . . . . . . . . . 11
|
| 16 | elin 3126 |
. . . . . . . . . . 11
| |
| 17 | 4, 15, 16 | sylanbrc 394 |
. . . . . . . . . 10
|
| 18 | simprlr 490 |
. . . . . . . . . 10
| |
| 19 | 17, 18 | jca 290 |
. . . . . . . . 9
|
| 20 | 19 | ex 108 |
. . . . . . . 8
|
| 21 | 20 | exlimdv 1700 |
. . . . . . 7
|
| 22 | 21 | eximdv 1760 |
. . . . . 6
|
| 23 | 3, 22 | syl5bir 142 |
. . . . 5
|
| 24 | df-rex 2312 |
. . . . . 6
| |
| 25 | df-rex 2312 |
. . . . . 6
| |
| 26 | 24, 25 | anbi12i 433 |
. . . . 5
|
| 27 | df-rex 2312 |
. . . . 5
| |
| 28 | 23, 26, 27 | 3imtr4g 194 |
. . . 4
|
| 29 | 28 | ss2abdv 3013 |
. . 3
|
| 30 | dfima2 4670 |
. . . . 5
| |
| 31 | dfima2 4670 |
. . . . 5
| |
| 32 | 30, 31 | ineq12i 3136 |
. . . 4
|
| 33 | inab 3205 |
. . . 4
| |
| 34 | 32, 33 | eqtri 2060 |
. . 3
|
| 35 | dfima2 4670 |
. . 3
| |
| 36 | 29, 34, 35 | 3sstr4g 2986 |
. 2
|
| 37 | 2, 36 | eqssd 2962 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 |
| This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-br 3765 df-opab 3819 df-id 4030 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-fun 4904 |
| This theorem is referenced by: inpreima 5293 |
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