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| Mirrors > Home > ILE Home > Th. List > fveq2i | Unicode version | ||
| Description: Equality inference for function value. (Contributed by NM, 28-Jul-1999.) | 
| Ref | Expression | 
|---|---|
| fveq2i.1 | 
 | 
| Ref | Expression | 
|---|---|
| fveq2i | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | fveq2i.1 | 
. 2
 | |
| 2 | fveq2 5558 | 
. 2
 | |
| 3 | 1, 2 | ax-mp 5 | 
1
 | 
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