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| Mirrors > Home > MPE Home > Th. List > Mathboxes > xrneq2d | Structured version Visualization version GIF version | ||
| Description: Equality theorem for the range Cartesian product, deduction form. (Contributed by Peter Mazsa, 7-Sep-2021.) |
| Ref | Expression |
|---|---|
| xrneq2d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| xrneq2d | ⊢ (𝜑 → (𝐶 ⋉ 𝐴) = (𝐶 ⋉ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrneq2d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | xrneq2 38895 | . 2 ⊢ (𝐴 = 𝐵 → (𝐶 ⋉ 𝐴) = (𝐶 ⋉ 𝐵)) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐶 ⋉ 𝐴) = (𝐶 ⋉ 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 ⋉ cxrn 38670 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1563 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-in 3911 df-ss 3921 df-br 5101 df-opab 5163 df-co 5656 df-xrn 38876 |
| This theorem is referenced by: (None) |
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