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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 5970 |
. 2
| |
| 2 | uniexg 4536 |
. . 3
| |
| 3 | iotass 5304 |
. . . . 5
| |
| 4 | elssuni 3921 |
. . . . . 6
| |
| 5 | 4 | adantr 276 |
. . . . 5
|
| 6 | 3, 5 | mpg 1499 |
. . . 4
|
| 7 | 6 | a1i 9 |
. . 3
|
| 8 | 2, 7 | ssexd 4229 |
. 2
|
| 9 | 1, 8 | eqeltrid 2318 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-un 4530 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-uni 3894 df-iota 5286 df-riota 5970 |
| This theorem is referenced by: iotaexel 5975 flval 10531 sqrtrval 11560 qnumval 12756 qdenval 12757 grpidvalg 13455 fn0g 13457 grpinvval 13625 grpinvfng 13626 usgredg2v 16074 |
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