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| Mirrors > Home > MPE Home > Th. List > Mathboxes > resisoeq45d | Structured version Visualization version GIF version | ||
| Description: Equality deduction for equally restricted isometries. (Contributed by RP, 14-Jan-2025.) |
| Ref | Expression |
|---|---|
| resisoeq45.4 | ⊢ (𝜑 → 𝐴 = 𝐶) |
| resisoeq45.5 | ⊢ (𝜑 → 𝐵 = 𝐷) |
| Ref | Expression |
|---|---|
| resisoeq45d | ⊢ (𝜑 → ((𝐹 ↾ 𝐴) Isom 𝑅, 𝑆 (𝐴, 𝐵) ↔ (𝐹 ↾ 𝐶) Isom 𝑅, 𝑆 (𝐶, 𝐷))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resisoeq45.4 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐶) | |
| 2 | 1 | reseq2d 5965 | . 2 ⊢ (𝜑 → (𝐹 ↾ 𝐴) = (𝐹 ↾ 𝐶)) |
| 3 | resisoeq45.5 | . 2 ⊢ (𝜑 → 𝐵 = 𝐷) | |
| 4 | 2, 1, 3 | isoeq145d 43995 | 1 ⊢ (𝜑 → ((𝐹 ↾ 𝐴) Isom 𝑅, 𝑆 (𝐴, 𝐵) ↔ (𝐹 ↾ 𝐶) Isom 𝑅, 𝑆 (𝐶, 𝐷))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 = wceq 1560 ↾ cres 5649 Isom wiso 6522 |
| 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-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-isom 6530 |
| This theorem is referenced by: negslem1 43997 |
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