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| Mirrors > Home > ILE Home > Th. List > fveq1d | Unicode version | ||
| Description: Equality deduction for function value. (Contributed by NM, 2-Sep-2003.) |
| Ref | Expression |
|---|---|
| fveq1d.1 |
|
| Ref | Expression |
|---|---|
| fveq1d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1d.1 |
. 2
| |
| 2 | fveq1 5560 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
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