Description: Equality theorem for transposition. (Contributed by Mario Carneiro, 7-Jan-2017)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | tposeqd.1 | ⊢ ( 𝜑 → 𝐹 = 𝐺 ) | |
| Assertion | tposeqd | ⊢ ( 𝜑 → tpos 𝐹 = tpos 𝐺 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tposeqd.1 | ⊢ ( 𝜑 → 𝐹 = 𝐺 ) | |
| 2 | tposeq | ⊢ ( 𝐹 = 𝐺 → tpos 𝐹 = tpos 𝐺 ) | |
| 3 | 1 2 | syl | ⊢ ( 𝜑 → tpos 𝐹 = tpos 𝐺 ) |