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Mirrors > Home > MPE Home > Th. List > feq2d | Structured version Visualization version Unicode version |
Description: Equality deduction for functions. (Contributed by Paul Chapman, 22-Jun-2011.) |
Ref | Expression |
---|---|
feq2d.1 |
Ref | Expression |
---|---|
feq2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | feq2d.1 | . 2 | |
2 | feq2 6027 | . 2 | |
3 | 1, 2 | syl 17 | 1 |
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