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| Mirrors > Home > MPE Home > Th. List > nfra1 | Structured version Visualization version Unicode version | ||
| Description: The setvar |
| Ref | Expression |
|---|---|
| nfra1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ral 2917 |
. 2
| |
| 2 | nfa1 2028 |
. 2
| |
| 3 | 1, 2 | nfxfr 1779 |
1
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