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| Mirrors > Home > ILE Home > Th. List > funimass4 | Unicode version | ||
| Description: Membership relation for the values of a function whose image is a subclass. (Contributed by Raph Levien, 20-Nov-2006.) |
| Ref | Expression |
|---|---|
| funimass4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssalel 3235 |
. 2
| |
| 2 | vex 2824 |
. . . . . . . . 9
| |
| 3 | 2 | elima 5126 |
. . . . . . . 8
|
| 4 | eqcom 2240 |
. . . . . . . . . 10
| |
| 5 | ssel 3242 |
. . . . . . . . . . . 12
| |
| 6 | funbrfvb 5737 |
. . . . . . . . . . . . 13
| |
| 7 | 6 | ex 115 |
. . . . . . . . . . . 12
|
| 8 | 5, 7 | syl9 72 |
. . . . . . . . . . 11
|
| 9 | 8 | imp31 256 |
. . . . . . . . . 10
|
| 10 | 4, 9 | bitrid 192 |
. . . . . . . . 9
|
| 11 | 10 | rexbidva 2547 |
. . . . . . . 8
|
| 12 | 3, 11 | bitr4id 199 |
. . . . . . 7
|
| 13 | 12 | imbi1d 231 |
. . . . . 6
|
| 14 | r19.23v 2660 |
. . . . . 6
| |
| 15 | 13, 14 | bitr4di 198 |
. . . . 5
|
| 16 | 15 | albidv 1877 |
. . . 4
|
| 17 | 16 | ancoms 268 |
. . 3
|
| 18 | ralcom4 2844 |
. . . 4
| |
| 19 | ssel2 3243 |
. . . . . . . . 9
| |
| 20 | 19 | anim2i 342 |
. . . . . . . 8
|
| 21 | 20 | 3impb 1230 |
. . . . . . 7
|
| 22 | funfvex 5707 |
. . . . . . 7
| |
| 23 | nfv 1581 |
. . . . . . . 8
| |
| 24 | eleq1 2301 |
. . . . . . . 8
| |
| 25 | 23, 24 | ceqsalg 2850 |
. . . . . . 7
|
| 26 | 21, 22, 25 | 3syl 17 |
. . . . . 6
|
| 27 | 26 | 3expa 1234 |
. . . . 5
|
| 28 | 27 | ralbidva 2546 |
. . . 4
|
| 29 | 18, 28 | bitr3id 194 |
. . 3
|
| 30 | 17, 29 | bitrd 188 |
. 2
|
| 31 | 1, 30 | bitrid 192 |
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 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-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-v 2823 df-sbc 3052 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 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-iota 5332 df-fun 5374 df-fn 5375 df-fv 5380 |
| This theorem is referenced by: funimass3 5816 funimass5 5817 funconstss 5818 funimassov 6229 phimullem 12981 txcnp 15295 metcnp 15536 plycoeid3 15781 |
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