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