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Mirrors > Home > MPE Home > Th. List > oteq2d | Structured version Visualization version GIF version |
Description: Equality deduction for ordered triples. (Contributed by Mario Carneiro, 11-Jan-2017.) |
Ref | Expression |
---|---|
oteq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
oteq2d | ⊢ (𝜑 → ⟨𝐶, 𝐴, 𝐷⟩ = ⟨𝐶, 𝐵, 𝐷⟩) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oteq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | oteq2 4884 | . 2 ⊢ (𝐴 = 𝐵 → ⟨𝐶, 𝐴, 𝐷⟩ = ⟨𝐶, 𝐵, 𝐷⟩) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → ⟨𝐶, 𝐴, 𝐷⟩ = ⟨𝐶, 𝐵, 𝐷⟩) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1534 ⟨cotp 4637 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-ext 2699 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-sb 2061 df-clab 2706 df-cleq 2720 df-clel 2806 df-rab 3430 df-v 3473 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4324 df-if 4530 df-sn 4630 df-pr 4632 df-op 4636 df-ot 4638 |
This theorem is referenced by: oteq123d 4889 mapdh9a 41262 mapdh9aOLDN 41263 hdmap1eulem 41295 hdmap1eulemOLDN 41296 hdmapffval 41299 hdmapfval 41300 hdmapval2 41305 |
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