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| Mirrors > Home > ILE Home > Th. List > nfv | Unicode version | ||
| Description: If |
| Ref | Expression |
|---|---|
| nfv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 1540 |
. 2
| |
| 2 | 1 | nfi 1476 |
1
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