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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 | dfss2 3131 | . 2 | |
2 | vex 2729 | . . . . . . . . 9 | |
3 | 2 | elima 4951 | . . . . . . . 8 |
4 | eqcom 2167 | . . . . . . . . . 10 | |
5 | ssel 3136 | . . . . . . . . . . . 12 | |
6 | funbrfvb 5529 | . . . . . . . . . . . . 13 | |
7 | 6 | ex 114 | . . . . . . . . . . . 12 |
8 | 5, 7 | syl9 72 | . . . . . . . . . . 11 |
9 | 8 | imp31 254 | . . . . . . . . . 10 |
10 | 4, 9 | syl5bb 191 | . . . . . . . . 9 |
11 | 10 | rexbidva 2463 | . . . . . . . 8 |
12 | 3, 11 | bitr4id 198 | . . . . . . 7 |
13 | 12 | imbi1d 230 | . . . . . 6 |
14 | r19.23v 2575 | . . . . . 6 | |
15 | 13, 14 | bitr4di 197 | . . . . 5 |
16 | 15 | albidv 1812 | . . . 4 |
17 | 16 | ancoms 266 | . . 3 |
18 | ralcom4 2748 | . . . 4 | |
19 | ssel2 3137 | . . . . . . . . 9 | |
20 | 19 | anim2i 340 | . . . . . . . 8 |
21 | 20 | 3impb 1189 | . . . . . . 7 |
22 | funfvex 5503 | . . . . . . 7 | |
23 | nfv 1516 | . . . . . . . 8 | |
24 | eleq1 2229 | . . . . . . . 8 | |
25 | 23, 24 | ceqsalg 2754 | . . . . . . 7 |
26 | 21, 22, 25 | 3syl 17 | . . . . . 6 |
27 | 26 | 3expa 1193 | . . . . 5 |
28 | 27 | ralbidva 2462 | . . . 4 |
29 | 18, 28 | bitr3id 193 | . . 3 |
30 | 17, 29 | bitrd 187 | . 2 |
31 | 1, 30 | syl5bb 191 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 968 wal 1341 wceq 1343 wcel 2136 wral 2444 wrex 2445 cvv 2726 wss 3116 class class class wbr 3982 cdm 4604 cima 4607 wfun 5182 cfv 5188 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-sbc 2952 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-fv 5196 |
This theorem is referenced by: funimass3 5601 funimass5 5602 funconstss 5603 funimassov 5991 phimullem 12157 txcnp 12911 metcnp 13152 |
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