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Mirrors > Home > MPE Home > Th. List > caovassg | Structured version Visualization version GIF version |
Description: Convert an operation associative law to class notation. (Contributed by Mario Carneiro, 1-Jun-2013.) (Revised by Mario Carneiro, 26-May-2014.) |
Ref | Expression |
---|---|
caovassg.1 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆 ∧ 𝑧 ∈ 𝑆)) → ((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧))) |
Ref | Expression |
---|---|
caovassg | ⊢ ((𝜑 ∧ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆 ∧ 𝐶 ∈ 𝑆)) → ((𝐴𝐹𝐵)𝐹𝐶) = (𝐴𝐹(𝐵𝐹𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | caovassg.1 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑆 ∧ 𝑦 ∈ 𝑆 ∧ 𝑧 ∈ 𝑆)) → ((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧))) | |
2 | 1 | ralrimivvva 3127 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 ∀𝑧 ∈ 𝑆 ((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧))) |
3 | oveq1 7282 | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝑥𝐹𝑦) = (𝐴𝐹𝑦)) | |
4 | 3 | oveq1d 7290 | . . . 4 ⊢ (𝑥 = 𝐴 → ((𝑥𝐹𝑦)𝐹𝑧) = ((𝐴𝐹𝑦)𝐹𝑧)) |
5 | oveq1 7282 | . . . 4 ⊢ (𝑥 = 𝐴 → (𝑥𝐹(𝑦𝐹𝑧)) = (𝐴𝐹(𝑦𝐹𝑧))) | |
6 | 4, 5 | eqeq12d 2754 | . . 3 ⊢ (𝑥 = 𝐴 → (((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧)) ↔ ((𝐴𝐹𝑦)𝐹𝑧) = (𝐴𝐹(𝑦𝐹𝑧)))) |
7 | oveq2 7283 | . . . . 5 ⊢ (𝑦 = 𝐵 → (𝐴𝐹𝑦) = (𝐴𝐹𝐵)) | |
8 | 7 | oveq1d 7290 | . . . 4 ⊢ (𝑦 = 𝐵 → ((𝐴𝐹𝑦)𝐹𝑧) = ((𝐴𝐹𝐵)𝐹𝑧)) |
9 | oveq1 7282 | . . . . 5 ⊢ (𝑦 = 𝐵 → (𝑦𝐹𝑧) = (𝐵𝐹𝑧)) | |
10 | 9 | oveq2d 7291 | . . . 4 ⊢ (𝑦 = 𝐵 → (𝐴𝐹(𝑦𝐹𝑧)) = (𝐴𝐹(𝐵𝐹𝑧))) |
11 | 8, 10 | eqeq12d 2754 | . . 3 ⊢ (𝑦 = 𝐵 → (((𝐴𝐹𝑦)𝐹𝑧) = (𝐴𝐹(𝑦𝐹𝑧)) ↔ ((𝐴𝐹𝐵)𝐹𝑧) = (𝐴𝐹(𝐵𝐹𝑧)))) |
12 | oveq2 7283 | . . . 4 ⊢ (𝑧 = 𝐶 → ((𝐴𝐹𝐵)𝐹𝑧) = ((𝐴𝐹𝐵)𝐹𝐶)) | |
13 | oveq2 7283 | . . . . 5 ⊢ (𝑧 = 𝐶 → (𝐵𝐹𝑧) = (𝐵𝐹𝐶)) | |
14 | 13 | oveq2d 7291 | . . . 4 ⊢ (𝑧 = 𝐶 → (𝐴𝐹(𝐵𝐹𝑧)) = (𝐴𝐹(𝐵𝐹𝐶))) |
15 | 12, 14 | eqeq12d 2754 | . . 3 ⊢ (𝑧 = 𝐶 → (((𝐴𝐹𝐵)𝐹𝑧) = (𝐴𝐹(𝐵𝐹𝑧)) ↔ ((𝐴𝐹𝐵)𝐹𝐶) = (𝐴𝐹(𝐵𝐹𝐶)))) |
16 | 6, 11, 15 | rspc3v 3573 | . 2 ⊢ ((𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆 ∧ 𝐶 ∈ 𝑆) → (∀𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 ∀𝑧 ∈ 𝑆 ((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧)) → ((𝐴𝐹𝐵)𝐹𝐶) = (𝐴𝐹(𝐵𝐹𝐶)))) |
17 | 2, 16 | mpan9 507 | 1 ⊢ ((𝜑 ∧ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆 ∧ 𝐶 ∈ 𝑆)) → ((𝐴𝐹𝐵)𝐹𝐶) = (𝐴𝐹(𝐵𝐹𝐶))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ∀wral 3064 (class class class)co 7275 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2709 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-sb 2068 df-clab 2716 df-cleq 2730 df-clel 2816 df-ral 3069 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-iota 6391 df-fv 6441 df-ov 7278 |
This theorem is referenced by: caovassd 7471 caovass 7472 seqsplit 13756 seqcaopr 13760 seqf1olem2 13763 grprinvlem 18357 grprinvd 18358 grpridd 18359 |
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