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Mirrors > Home > MPE Home > Th. List > isof1o | Unicode version |
Description: An isomorphism is a one-to-one onto function. (Contributed by NM, 27-Apr-2004.) |
Ref | Expression |
---|---|
isof1o |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-isom 5602 | . 2 | |
2 | 1 | simplbi 460 | 1 |
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