Description: A function with domain is a relation. (Contributed by NM, 1-Aug-1994)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | fnrel | |- ( F Fn A -> Rel F ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fnfun | |- ( F Fn A -> Fun F ) |
|
| 2 | funrel | |- ( Fun F -> Rel F ) |
|
| 3 | 1 2 | syl | |- ( F Fn A -> Rel F ) |