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Mirrors > Home > MPE Home > Th. List > bcxmaslem1 | Structured version Visualization version GIF version |
Description: Lemma for bcxmas 15182. (Contributed by Paul Chapman, 18-May-2007.) |
Ref | Expression |
---|---|
bcxmaslem1 | ⊢ (𝐴 = 𝐵 → ((𝑁 + 𝐴)C𝐴) = ((𝑁 + 𝐵)C𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq2 7143 | . 2 ⊢ (𝐴 = 𝐵 → (𝑁 + 𝐴) = (𝑁 + 𝐵)) | |
2 | id 22 | . 2 ⊢ (𝐴 = 𝐵 → 𝐴 = 𝐵) | |
3 | 1, 2 | oveq12d 7153 | 1 ⊢ (𝐴 = 𝐵 → ((𝑁 + 𝐴)C𝐴) = ((𝑁 + 𝐵)C𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 (class class class)co 7135 + caddc 10529 Ccbc 13658 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 |
This theorem is referenced by: bcxmas 15182 sylow1lem1 18715 |
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