Description: The cosets by the null class are in equivalence relation. (Contributed by Peter Mazsa, 31-Dec-2024)
Ref | Expression | ||
---|---|---|---|
Assertion | eqvrelcoss0 | |- EqvRel ,~ (/) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | disjALTV0 | |- Disj (/) |
|
2 | 1 | disjimi | |- EqvRel ,~ (/) |