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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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-riota 5488 |
. 2
| |
| 2 | uniexg 4193 |
. . 3
| |
| 3 | iotass 4904 |
. . . . 5
| |
| 4 | elssuni 3629 |
. . . . . 6
| |
| 5 | 4 | adantr 270 |
. . . . 5
|
| 6 | 3, 5 | mpg 1380 |
. . . 4
|
| 7 | 6 | a1i 9 |
. . 3
|
| 8 | 2, 7 | ssexd 3918 |
. 2
|
| 9 | 1, 8 | syl5eqel 2165 |
1
|
| 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 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-un 4188 |
| This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-uni 3602 df-iota 4887 df-riota 5488 |
| This theorem is referenced by: flval 9276 sqrtrval 9886 |
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