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Mirrors > Home > MPE Home > Th. List > f1of1 | Structured version Visualization version Unicode version |
Description: A one-to-one onto mapping is a one-to-one mapping. (Contributed by NM, 12-Dec-2003.) |
Ref | Expression |
---|---|
f1of1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-f1o 5895 | . 2 | |
2 | 1 | simplbi 476 | 1 |
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