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Mirrors > Home > MPE Home > Th. List > f1ofn | Structured version Visualization version Unicode version |
Description: A one-to-one onto mapping is function on its domain. (Contributed by NM, 12-Dec-2003.) |
Ref | Expression |
---|---|
f1ofn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | f1of 6137 | . 2 | |
2 | ffn 6045 | . 2 | |
3 | 1, 2 | syl 17 | 1 |
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