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Mirrors > Home > MPE Home > Th. List > f1ofo | Structured version Visualization version Unicode version |
Description: A one-to-one onto function is an onto function. (Contributed by NM, 28-Apr-2004.) |
Ref | Expression |
---|---|
f1ofo |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dff1o3 6143 |
. 2
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2 | 1 | simplbi 476 |
1
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