| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > exbii | Structured version Visualization version Unicode version | ||
| Description: Inference adding existential quantifier to both sides of an equivalence. (Contributed by NM, 24-May-1994.) |
| Ref | Expression |
|---|---|
| exbii.1 |
|
| Ref | Expression |
|---|---|
| exbii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | exbi 1773 |
. 2
| |
| 2 | exbii.1 |
. 2
| |
| 3 | 1, 2 | mpg 1724 |
1
|
| Copyright terms: Public domain | W3C validator |