Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > fveq2 | Unicode version |
Description: Equality theorem for function value. (Contributed by NM, 29-Dec-1996.) |
Ref | Expression |
---|---|
fveq2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq1 3984 | . . 3 | |
2 | 1 | iotabidv 5173 | . 2 |
3 | df-fv 5195 | . 2 | |
4 | df-fv 5195 | . 2 | |
5 | 2, 3, 4 | 3eqtr4g 2223 | 1 |
Copyright terms: Public domain | W3C validator |