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Related theorems Unicode version |
| Description: Restricted existential specialization with implicit substitution. |
| Ref | Expression |
|---|---|
| rcla4v.1 |
|
| Ref | Expression |
|---|---|
| rcla4ev |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 968 |
. 2
| |
| 2 | rcla4v.1 |
. 2
| |
| 3 | 1, 2 | rcla4e 1863 |
1
|