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| Mirrors > Home > ILE Home > Th. List > ralm | Unicode version | ||
| Description: Inhabited classes and restricted quantification. (Contributed by Jim Kingdon, 6-Aug-2018.) |
| Ref | Expression |
|---|---|
| ralm |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ral 2480 |
. . . . . 6
| |
| 2 | 1 | imbi2i 226 |
. . . . 5
|
| 3 | 19.38 1690 |
. . . . 5
| |
| 4 | 2, 3 | sylbi 121 |
. . . 4
|
| 5 | pm2.43 53 |
. . . . 5
| |
| 6 | 5 | alimi 1469 |
. . . 4
|
| 7 | 4, 6 | syl 14 |
. . 3
|
| 8 | 7, 1 | sylibr 134 |
. 2
|
| 9 | ax-1 6 |
. 2
| |
| 10 | 8, 9 | impbii 126 |
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-5 1461 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-4 1524 ax-ial 1548 ax-i5r 1549 |
| This theorem depends on definitions: df-bi 117 df-ral 2480 |
| This theorem is referenced by: raaan 3556 |
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