Description: Two ways of expressing the transitive closure of the converse of a binary relation. (Contributed by RP, 10-May-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | brtrclfvcnv | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvexg | |
|
2 | brtrclfv | |
|
3 | 1 2 | syl | |