Description: Equality inference for the directed integral. (Contributed by GG, 1-Sep-2025)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ditgeq3i.1 | ⊢ 𝐶 = 𝐷 | |
Assertion | ditgeq3i | ⊢ ⨜ [ 𝐴 → 𝐵 ] 𝐶 d 𝑥 = ⨜ [ 𝐴 → 𝐵 ] 𝐷 d 𝑥 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ditgeq3i.1 | ⊢ 𝐶 = 𝐷 | |
2 | eqid | ⊢ 𝐴 = 𝐴 | |
3 | eqid | ⊢ 𝐵 = 𝐵 | |
4 | 2 3 1 | ditgeq123i | ⊢ ⨜ [ 𝐴 → 𝐵 ] 𝐶 d 𝑥 = ⨜ [ 𝐴 → 𝐵 ] 𝐷 d 𝑥 |