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Mirrors > Home > ILE Home > Th. List > iinexgm | Unicode version |
Description: The existence of an indexed union. is normally a free-variable parameter in , which should be read . (Contributed by Jim Kingdon, 28-Aug-2018.) |
Ref | Expression |
---|---|
iinexgm |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfiin2g 3841 | . . 3 | |
2 | 1 | adantl 275 | . 2 |
3 | elisset 2695 | . . . . . . . . . 10 | |
4 | 3 | rgenw 2485 | . . . . . . . . 9 |
5 | r19.2m 3444 | . . . . . . . . 9 | |
6 | 4, 5 | mpan2 421 | . . . . . . . 8 |
7 | r19.35-1 2579 | . . . . . . . 8 | |
8 | 6, 7 | syl 14 | . . . . . . 7 |
9 | 8 | imp 123 | . . . . . 6 |
10 | rexcom4 2704 | . . . . . 6 | |
11 | 9, 10 | sylib 121 | . . . . 5 |
12 | abid 2125 | . . . . . 6 | |
13 | 12 | exbii 1584 | . . . . 5 |
14 | 11, 13 | sylibr 133 | . . . 4 |
15 | nfv 1508 | . . . . 5 | |
16 | nfsab1 2127 | . . . . 5 | |
17 | eleq1w 2198 | . . . . 5 | |
18 | 15, 16, 17 | cbvex 1729 | . . . 4 |
19 | 14, 18 | sylib 121 | . . 3 |
20 | inteximm 4069 | . . 3 | |
21 | 19, 20 | syl 14 | . 2 |
22 | 2, 21 | eqeltrd 2214 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wex 1468 wcel 1480 cab 2123 wral 2414 wrex 2415 cvv 2681 cint 3766 ciin 3809 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-in 3072 df-ss 3079 df-int 3767 df-iin 3811 |
This theorem is referenced by: (None) |
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