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| Mirrors > Home > ILE Home > Th. List > imadif | Unicode version | ||
| Description: The image of a difference is the difference of images. (Contributed by NM, 24-May-1998.) |
| Ref | Expression |
|---|---|
| imadif |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anandir 595 |
. . . . . . . 8
| |
| 2 | 1 | exbii 1654 |
. . . . . . 7
|
| 3 | 19.40 1680 |
. . . . . . 7
| |
| 4 | 2, 3 | sylbi 121 |
. . . . . 6
|
| 5 | nfv 1577 |
. . . . . . . . . . 11
| |
| 6 | nfe1 1545 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | nfan 1614 |
. . . . . . . . . 10
|
| 8 | funmo 5372 |
. . . . . . . . . . . . . 14
| |
| 9 | vex 2818 |
. . . . . . . . . . . . . . . 16
| |
| 10 | vex 2818 |
. . . . . . . . . . . . . . . 16
| |
| 11 | 9, 10 | brcnv 4943 |
. . . . . . . . . . . . . . 15
|
| 12 | 11 | mobii 2119 |
. . . . . . . . . . . . . 14
|
| 13 | 8, 12 | sylib 122 |
. . . . . . . . . . . . 13
|
| 14 | mopick 2161 |
. . . . . . . . . . . . 13
| |
| 15 | 13, 14 | sylan 283 |
. . . . . . . . . . . 12
|
| 16 | 15 | con2d 629 |
. . . . . . . . . . 11
|
| 17 | imnan 697 |
. . . . . . . . . . 11
| |
| 18 | 16, 17 | sylib 122 |
. . . . . . . . . 10
|
| 19 | 7, 18 | alrimi 1571 |
. . . . . . . . 9
|
| 20 | 19 | ex 115 |
. . . . . . . 8
|
| 21 | exancom 1657 |
. . . . . . . 8
| |
| 22 | alnex 1548 |
. . . . . . . 8
| |
| 23 | 20, 21, 22 | 3imtr3g 204 |
. . . . . . 7
|
| 24 | 23 | anim2d 337 |
. . . . . 6
|
| 25 | 4, 24 | syl5 32 |
. . . . 5
|
| 26 | df-rex 2528 |
. . . . . 6
| |
| 27 | eldif 3223 |
. . . . . . . 8
| |
| 28 | 27 | anbi1i 458 |
. . . . . . 7
|
| 29 | 28 | exbii 1654 |
. . . . . 6
|
| 30 | 26, 29 | bitri 184 |
. . . . 5
|
| 31 | df-rex 2528 |
. . . . . 6
| |
| 32 | df-rex 2528 |
. . . . . . 7
| |
| 33 | 32 | notbii 674 |
. . . . . 6
|
| 34 | 31, 33 | anbi12i 460 |
. . . . 5
|
| 35 | 25, 30, 34 | 3imtr4g 205 |
. . . 4
|
| 36 | 35 | ss2abdv 3315 |
. . 3
|
| 37 | dfima2 5108 |
. . 3
| |
| 38 | dfima2 5108 |
. . . . 5
| |
| 39 | dfima2 5108 |
. . . . 5
| |
| 40 | 38, 39 | difeq12i 3339 |
. . . 4
|
| 41 | difab 3494 |
. . . 4
| |
| 42 | 40, 41 | eqtri 2255 |
. . 3
|
| 43 | 36, 37, 42 | 3sstr4g 3285 |
. 2
|
| 44 | imadiflem 5440 |
. . 3
| |
| 45 | 44 | a1i 9 |
. 2
|
| 46 | 43, 45 | eqssd 3259 |
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-in1 619 ax-in2 620 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 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 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-rab 2531 df-v 2817 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-br 4115 df-opab 4177 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-fun 5359 |
| This theorem is referenced by: resdif 5641 difpreima 5809 phplem4 7122 phplem4dom 7129 phplem4on 7135 ballotfilemfrc 13214 cnclima 15214 |
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