Description: A function with domain is a function, deduction form. (Contributed by Jonathan Ben-Naim, 3-Jun-2011)
Ref | Expression | ||
---|---|---|---|
Hypothesis | fnfund.1 | |
|
Assertion | fnfund | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnfund.1 | |
|
2 | fnfun | |
|
3 | 1 2 | syl | |