Description: Alternate version of bj-restn0 . (Contributed by BJ, 27-Apr-2021)
Ref | Expression | ||
---|---|---|---|
Assertion | bj-restn0b | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eldifi | |
|
2 | eldifsni | |
|
3 | 1 2 | jca | |
4 | 3 | anim1i | |
5 | an32 | |
|
6 | 4 5 | sylib | |
7 | bj-restn0 | |
|
8 | 7 | imp | |
9 | 6 8 | syl | |