Metamath Proof Explorer
Description: The second element in an ordered pair member of a function is the
function's value. (Contributed by NM, 19-Jul-1996)
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|
Ref |
Expression |
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Assertion |
funopfv |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
df-br |
|
2 |
|
funbrfv |
|
3 |
1 2
|
biimtrrid |
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