Description: Two ways to express equivalent cosets. (Contributed by Peter Mazsa, 3-May-2019) (Revised by Peter Mazsa, 30-Sep-2021)
Ref | Expression | ||
---|---|---|---|
Assertion | eqvrelcoss4 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqvrelcoss3 | |
|
2 | trcoss2 | |
|
3 | 1 2 | bitri | |