Description: Convert between two kinds of structure closure. (Contributed by Mario Carneiro, 29-Aug-2015) (Proof shortened by AV, 12-Nov-2021)
Ref | Expression | ||
---|---|---|---|
Hypothesis | structfun.1 | |- F Struct X |
|
Assertion | structfun | |- Fun `' `' F |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | structfun.1 | |- F Struct X |
|
2 | structfung | |- ( F Struct X -> Fun `' `' F ) |
|
3 | 1 2 | ax-mp | |- Fun `' `' F |