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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 5439 |
. . 3
| |
| 2 | 1 | a1i 9 |
. 2
|
| 3 | eeanv 1988 |
. . . . . 6
| |
| 4 | simprll 539 |
. . . . . . . . . . 11
| |
| 5 | simpr 110 |
. . . . . . . . . . . . . 14
| |
| 6 | simpr 110 |
. . . . . . . . . . . . . 14
| |
| 7 | 5, 6 | anim12i 338 |
. . . . . . . . . . . . 13
|
| 8 | funcnveq 5421 |
. . . . . . . . . . . . . . . . 17
| |
| 9 | 8 | biimpi 120 |
. . . . . . . . . . . . . . . 16
|
| 10 | 9 | 19.21bi 1607 |
. . . . . . . . . . . . . . 15
|
| 11 | 10 | 19.21bbi 1608 |
. . . . . . . . . . . . . 14
|
| 12 | 11 | imp 124 |
. . . . . . . . . . . . 13
|
| 13 | 7, 12 | sylan2 286 |
. . . . . . . . . . . 12
|
| 14 | simprrl 541 |
. . . . . . . . . . . 12
| |
| 15 | 13, 14 | eqeltrd 2311 |
. . . . . . . . . . 11
|
| 16 | elin 3404 |
. . . . . . . . . . 11
| |
| 17 | 4, 15, 16 | sylanbrc 417 |
. . . . . . . . . 10
|
| 18 | simprlr 540 |
. . . . . . . . . 10
| |
| 19 | 17, 18 | jca 306 |
. . . . . . . . 9
|
| 20 | 19 | ex 115 |
. . . . . . . 8
|
| 21 | 20 | exlimdv 1868 |
. . . . . . 7
|
| 22 | 21 | eximdv 1929 |
. . . . . 6
|
| 23 | 3, 22 | biimtrrid 153 |
. . . . 5
|
| 24 | df-rex 2528 |
. . . . . 6
| |
| 25 | df-rex 2528 |
. . . . . 6
| |
| 26 | 24, 25 | anbi12i 460 |
. . . . 5
|
| 27 | df-rex 2528 |
. . . . 5
| |
| 28 | 23, 26, 27 | 3imtr4g 205 |
. . . 4
|
| 29 | 28 | ss2abdv 3313 |
. . 3
|
| 30 | dfima2 5105 |
. . . . 5
| |
| 31 | dfima2 5105 |
. . . . 5
| |
| 32 | 30, 31 | ineq12i 3422 |
. . . 4
|
| 33 | inab 3491 |
. . . 4
| |
| 34 | 32, 33 | eqtri 2255 |
. . 3
|
| 35 | dfima2 5105 |
. . 3
| |
| 36 | 29, 34, 35 | 3sstr4g 3283 |
. 2
|
| 37 | 2, 36 | eqssd 3257 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-br 4112 df-opab 4174 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-fun 5356 |
| This theorem is referenced by: inpreima 5805 |
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