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Related theorems Unicode version |
| Description: Formula-building rule for restricted universal quantifier (deduction rule). |
| Ref | Expression |
|---|---|
| ralbidv.1 |
|
| Ref | Expression |
|---|---|
| ralbidv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 971 |
. 2
| |
| 2 | ralbidv.1 |
. 2
| |
| 3 | 1, 2 | ralbid 1661 |
1
|