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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 3215 |
. 2
| |
| 2 | vex 2805 |
. . . . . . . . 9
| |
| 3 | 2 | elima 5081 |
. . . . . . . 8
|
| 4 | eqcom 2233 |
. . . . . . . . . 10
| |
| 5 | ssel 3221 |
. . . . . . . . . . . 12
| |
| 6 | funbrfvb 5686 |
. . . . . . . . . . . . 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 2529 |
. . . . . . . 8
|
| 12 | 3, 11 | bitr4id 199 |
. . . . . . 7
|
| 13 | 12 | imbi1d 231 |
. . . . . 6
|
| 14 | r19.23v 2642 |
. . . . . 6
| |
| 15 | 13, 14 | bitr4di 198 |
. . . . 5
|
| 16 | 15 | albidv 1872 |
. . . 4
|
| 17 | 16 | ancoms 268 |
. . 3
|
| 18 | ralcom4 2825 |
. . . 4
| |
| 19 | ssel2 3222 |
. . . . . . . . 9
| |
| 20 | 19 | anim2i 342 |
. . . . . . . 8
|
| 21 | 20 | 3impb 1225 |
. . . . . . 7
|
| 22 | funfvex 5656 |
. . . . . . 7
| |
| 23 | nfv 1576 |
. . . . . . . 8
| |
| 24 | eleq1 2294 |
. . . . . . . 8
| |
| 25 | 23, 24 | ceqsalg 2831 |
. . . . . . 7
|
| 26 | 21, 22, 25 | 3syl 17 |
. . . . . 6
|
| 27 | 26 | 3expa 1229 |
. . . . 5
|
| 28 | 27 | ralbidva 2528 |
. . . 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-v 2804 df-sbc 3032 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-fv 5334 |
| This theorem is referenced by: funimass3 5763 funimass5 5764 funconstss 5765 funimassov 6171 phimullem 12796 txcnp 14994 metcnp 15235 plycoeid3 15480 |
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