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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 599 |
. . . . . . . 8
| |
| 2 | 1 | exbii 1658 |
. . . . . . 7
|
| 3 | 19.40 1684 |
. . . . . . 7
| |
| 4 | 2, 3 | sylbi 121 |
. . . . . 6
|
| 5 | nfv 1581 |
. . . . . . . . . . 11
| |
| 6 | nfe1 1549 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | nfan 1618 |
. . . . . . . . . 10
|
| 8 | funmo 5387 |
. . . . . . . . . . . . . 14
| |
| 9 | vex 2824 |
. . . . . . . . . . . . . . . 16
| |
| 10 | vex 2824 |
. . . . . . . . . . . . . . . 16
| |
| 11 | 9, 10 | brcnv 4958 |
. . . . . . . . . . . . . . 15
|
| 12 | 11 | mobii 2123 |
. . . . . . . . . . . . . 14
|
| 13 | 8, 12 | sylib 122 |
. . . . . . . . . . . . 13
|
| 14 | mopick 2165 |
. . . . . . . . . . . . 13
| |
| 15 | 13, 14 | sylan 283 |
. . . . . . . . . . . 12
|
| 16 | 15 | con2d 633 |
. . . . . . . . . . 11
|
| 17 | imnan 701 |
. . . . . . . . . . 11
| |
| 18 | 16, 17 | sylib 122 |
. . . . . . . . . 10
|
| 19 | 7, 18 | alrimi 1575 |
. . . . . . . . 9
|
| 20 | 19 | ex 115 |
. . . . . . . 8
|
| 21 | exancom 1661 |
. . . . . . . 8
| |
| 22 | alnex 1552 |
. . . . . . . 8
| |
| 23 | 20, 21, 22 | 3imtr3g 204 |
. . . . . . 7
|
| 24 | 23 | anim2d 337 |
. . . . . 6
|
| 25 | 4, 24 | syl5 32 |
. . . . 5
|
| 26 | df-rex 2534 |
. . . . . 6
| |
| 27 | eldif 3229 |
. . . . . . . 8
| |
| 28 | 27 | anbi1i 462 |
. . . . . . 7
|
| 29 | 28 | exbii 1658 |
. . . . . 6
|
| 30 | 26, 29 | bitri 184 |
. . . . 5
|
| 31 | df-rex 2534 |
. . . . . 6
| |
| 32 | df-rex 2534 |
. . . . . . 7
| |
| 33 | 32 | notbii 678 |
. . . . . 6
|
| 34 | 31, 33 | anbi12i 464 |
. . . . 5
|
| 35 | 25, 30, 34 | 3imtr4g 205 |
. . . 4
|
| 36 | 35 | ss2abdv 3321 |
. . 3
|
| 37 | dfima2 5123 |
. . 3
| |
| 38 | dfima2 5123 |
. . . . 5
| |
| 39 | dfima2 5123 |
. . . . 5
| |
| 40 | 38, 39 | difeq12i 3345 |
. . . 4
|
| 41 | difab 3500 |
. . . 4
| |
| 42 | 40, 41 | eqtri 2259 |
. . 3
|
| 43 | 36, 37, 42 | 3sstr4g 3291 |
. 2
|
| 44 | imadiflem 5455 |
. . 3
| |
| 45 | 44 | a1i 9 |
. 2
|
| 46 | 43, 45 | eqssd 3265 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-br 4126 df-opab 4188 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-fun 5374 |
| This theorem is referenced by: resdif 5656 difpreima 5826 phplem4 7146 phplem4dom 7153 phplem4on 7159 ballotfilemfrc 13248 cnclima 15247 |
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