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Mirrors > Home > ILE Home > Th. List > rnexg | Unicode version |
Description: The range of a set is a set. Corollary 6.8(3) of [TakeutiZaring] p. 26. Similar to Lemma 3D of [Enderton] p. 41. (Contributed by NM, 31-Mar-1995.) |
Ref | Expression |
---|---|
rnexg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uniexg 4369 |
. 2
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2 | uniexg 4369 |
. 2
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3 | ssun2 3245 |
. . . 4
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4 | dmrnssfld 4810 |
. . . 4
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5 | 3, 4 | sstri 3111 |
. . 3
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6 | ssexg 4075 |
. . 3
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7 | 5, 6 | mpan 421 |
. 2
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8 | 1, 2, 7 | 3syl 17 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-13 1492 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 ax-un 4363 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-rex 2423 df-v 2691 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-br 3938 df-opab 3998 df-cnv 4555 df-dm 4557 df-rn 4558 |
This theorem is referenced by: rnex 4814 imaexg 4901 xpexr2m 4988 elxp4 5034 elxp5 5035 cnvexg 5084 coexg 5091 fvexg 5448 cofunexg 6017 funrnex 6020 abrexexg 6024 2ndvalg 6049 tposexg 6163 iunon 6189 fopwdom 6738 djuexb 6937 focdmex 10565 shftfvalg 10622 ovshftex 10623 restval 12165 txvalex 12462 txval 12463 blbas 12641 xmettxlem 12717 xmettx 12718 |
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