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| Mirrors > Home > MPE Home > Th. List > albii | Structured version Visualization version Unicode version | ||
| Description: Inference adding universal quantifier to both sides of an equivalence. (Contributed by NM, 7-Aug-1994.) |
| Ref | Expression |
|---|---|
| albii.1 |
|
| Ref | Expression |
|---|---|
| albii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | albi 1746 |
. 2
| |
| 2 | albii.1 |
. 2
| |
| 3 | 1, 2 | mpg 1724 |
1
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