Description: Equality theorem for transposition. (Contributed by Mario Carneiro, 10-Sep-2015)
Ref | Expression | ||
---|---|---|---|
Hypothesis | tposeqi.1 | |
|
Assertion | tposeqi | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tposeqi.1 | |
|
2 | tposeq | |
|
3 | 1 2 | ax-mp | |