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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 5966 |
. 2
| |
| 2 | uniexg 4534 |
. . 3
| |
| 3 | iotass 5302 |
. . . . 5
| |
| 4 | elssuni 3919 |
. . . . . 6
| |
| 5 | 4 | adantr 276 |
. . . . 5
|
| 6 | 3, 5 | mpg 1497 |
. . . 4
|
| 7 | 6 | a1i 9 |
. . 3
|
| 8 | 2, 7 | ssexd 4227 |
. 2
|
| 9 | 1, 8 | eqeltrid 2316 |
1
|
| 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 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-un 4528 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-uni 3892 df-iota 5284 df-riota 5966 |
| This theorem is referenced by: iotaexel 5971 flval 10522 sqrtrval 11551 qnumval 12747 qdenval 12748 grpidvalg 13446 fn0g 13448 grpinvval 13616 grpinvfng 13617 usgredg2v 16063 |
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