Description: Alternate form of eldisjim . (Contributed by Peter Mazsa, 30-Dec-2024)
Ref | Expression | ||
---|---|---|---|
Assertion | eldisjim2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | disjim | |
|
2 | df-eldisj | |
|
3 | df-coels | |
|
4 | 3 | eqvreleqi | |
5 | 1 2 4 | 3imtr4i | |