Description: Membership in the range of an operation class abstraction. (Contributed by Glauco Siliprandi, 26-Jun-2021)
Ref | Expression | ||
---|---|---|---|
Hypothesis | elrnmpoid.1 | |
|
Assertion | elrnmpoid | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elrnmpoid.1 | |
|
2 | 1 | fnmpo | |
3 | 2 | 3ad2ant3 | |
4 | simp1 | |
|
5 | simp2 | |
|
6 | fnovrn | |
|
7 | 3 4 5 6 | syl3anc | |