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Mirrors > Home > MPE Home > Th. List > diffi | Structured version Visualization version Unicode version |
Description: If is finite, is finite. (Contributed by FL, 3-Aug-2009.) |
Ref | Expression |
---|---|
diffi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | difss 3737 | . 2 | |
2 | ssfi 8180 | . 2 | |
3 | 1, 2 | mpan2 707 | 1 |
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