| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2353 |
. . . . . 6
| |
| 2 | 1 | imbi2i 224 |
. . . . 5
|
| 3 | 19.38 1606 |
. . . . 5
| |
| 4 | 2, 3 | sylbi 119 |
. . . 4
|
| 5 | pm2.43 52 |
. . . . 5
| |
| 6 | 5 | alimi 1384 |
. . . 4
|
| 7 | 4, 6 | syl 14 |
. . 3
|
| 8 | 7, 1 | sylibr 132 |
. 2
|
| 9 | ax-1 5 |
. 2
| |
| 10 | 8, 9 | impbii 124 |
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-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-ial 1467 ax-i5r 1468 |
| This theorem depends on definitions: df-bi 115 df-ral 2353 |
| This theorem is referenced by: raaan 3347 |
| Copyright terms: Public domain | W3C validator |