Description: The value of a class exists. Inference form of fvex . (Contributed by Glauco Siliprandi, 23-Oct-2021)
Ref | Expression | ||
---|---|---|---|
Hypothesis | fvexi.1 | |
|
Assertion | fvexi | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvexi.1 | |
|
2 | fvex | |
|
3 | 1 2 | eqeltri | |