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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ditgeq12i | Structured version Visualization version GIF version | ||
| Description: Equality inference for the directed integral. (Contributed by GG, 1-Sep-2025.) |
| Ref | Expression |
|---|---|
| ditgeq12i.1 | ⊢ 𝐴 = 𝐵 |
| ditgeq12i.2 | ⊢ 𝐶 = 𝐷 |
| Ref | Expression |
|---|---|
| ditgeq12i | ⊢ ⨜[𝐴 → 𝐶]𝐸 d𝑥 = ⨜[𝐵 → 𝐷]𝐸 d𝑥 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ditgeq12i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | ditgeq12i.2 | . 2 ⊢ 𝐶 = 𝐷 | |
| 3 | eqid 2760 | . 2 ⊢ 𝐸 = 𝐸 | |
| 4 | 1, 2, 3 | ditgeq123i 36829 | 1 ⊢ ⨜[𝐴 → 𝐶]𝐸 d𝑥 = ⨜[𝐵 → 𝐷]𝐸 d𝑥 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⨜cdit 26073 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-xp 5661 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-iota 6489 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-neg 11468 df-seq 14066 df-sum 15774 df-itg 25851 df-ditg 26074 |
| This theorem is used by: (None) |
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