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Mirrors > Home > ILE Home > Th. List > riotaexg | Unicode version |
Description: Restricted iota is a set. (Contributed by Jim Kingdon, 15-Jun-2020.) |
Ref | Expression |
---|---|
riotaexg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-riota 5519 |
. 2
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2 | uniexg 4221 |
. . 3
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3 | iotass 4934 |
. . . . 5
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4 | elssuni 3649 |
. . . . . 6
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5 | 4 | adantr 270 |
. . . . 5
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6 | 3, 5 | mpg 1381 |
. . . 4
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7 | 6 | a1i 9 |
. . 3
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8 | 2, 7 | ssexd 3938 |
. 2
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9 | 1, 8 | syl5eqel 2169 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-sep 3916 ax-un 4216 |
This theorem depends on definitions: df-bi 115 df-tru 1288 df-nf 1391 df-sb 1688 df-clab 2070 df-cleq 2076 df-clel 2079 df-nfc 2212 df-ral 2358 df-rex 2359 df-v 2612 df-un 2986 df-in 2988 df-ss 2995 df-pw 3402 df-sn 3422 df-pr 3423 df-uni 3622 df-iota 4917 df-riota 5519 |
This theorem is referenced by: flval 9406 sqrtrval 10087 qnumval 10770 qdenval 10771 |
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