Theorem caovlem2 7508

Description: Lemma used in real number construction. (Contributed by NM, 26-Aug-1995.)

Hypotheses

Ref	Expression
caovdir.1	⊢ 𝐴 ∈ V
caovdir.2	⊢ 𝐵 ∈ V
caovdir.3	⊢ 𝐶 ∈ V
caovdir.com	⊢ (𝑥𝐺𝑦) = (𝑦𝐺𝑥)
caovdir.distr	⊢ (𝑥𝐺(𝑦𝐹𝑧)) = ((𝑥𝐺𝑦)𝐹(𝑥𝐺𝑧))
caovdl.4	⊢ 𝐷 ∈ V
caovdl.5	⊢ 𝐻 ∈ V
caovdl.ass	⊢ ((𝑥𝐺𝑦)𝐺𝑧) = (𝑥𝐺(𝑦𝐺𝑧))
caovdl2.6	⊢ 𝑅 ∈ V
caovdl2.com	⊢ (𝑥𝐹𝑦) = (𝑦𝐹𝑥)
caovdl2.ass	⊢ ((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧))

Assertion

Ref	Expression
caovlem2	⊢ ((((𝐴𝐺𝐶)𝐹(𝐵𝐺𝐷))𝐺𝐻)𝐹(((𝐴𝐺𝐷)𝐹(𝐵𝐺𝐶))𝐺𝑅)) = ((𝐴𝐺((𝐶𝐺𝐻)𝐹(𝐷𝐺𝑅)))𝐹(𝐵𝐺((𝐶𝐺𝑅)𝐹(𝐷𝐺𝐻))))

Distinct variable groups:   𝑥,𝑦,𝑧,𝐴   𝑥,𝐵,𝑦,𝑧   𝑥,𝐶,𝑦,𝑧   𝑥,𝐷,𝑦,𝑧   𝑥,𝐹,𝑦,𝑧   𝑥,𝐺,𝑦,𝑧   𝑥,𝐻,𝑦,𝑧   𝑥,𝑅,𝑦,𝑧

Proof of Theorem caovlem2

Step	Hyp	Ref	Expression
1		ovex 7308	. . 3 ⊢ (𝐴𝐺(𝐶𝐺𝐻)) ∈ V
2		ovex 7308	. . 3 ⊢ (𝐵𝐺(𝐷𝐺𝐻)) ∈ V
3		ovex 7308	. . 3 ⊢ (𝐴𝐺(𝐷𝐺𝑅)) ∈ V
4		caovdl2.com	. . 3 ⊢ (𝑥𝐹𝑦) = (𝑦𝐹𝑥)
5		caovdl2.ass	. . 3 ⊢ ((𝑥𝐹𝑦)𝐹𝑧) = (𝑥𝐹(𝑦𝐹𝑧))
6		ovex 7308	. . 3 ⊢ (𝐵𝐺(𝐶𝐺𝑅)) ∈ V
7	1, 2, 3, 4, 5, 6	caov42 7505	. 2 ⊢ (((𝐴𝐺(𝐶𝐺𝐻))𝐹(𝐵𝐺(𝐷𝐺𝐻)))𝐹((𝐴𝐺(𝐷𝐺𝑅))𝐹(𝐵𝐺(𝐶𝐺𝑅)))) = (((𝐴𝐺(𝐶𝐺𝐻))𝐹(𝐴𝐺(𝐷𝐺𝑅)))𝐹((𝐵𝐺(𝐶𝐺𝑅))𝐹(𝐵𝐺(𝐷𝐺𝐻))))
8		caovdir.1	. . . 4 ⊢ 𝐴 ∈ V
9		caovdir.2	. . . 4 ⊢ 𝐵 ∈ V
10		caovdir.3	. . . 4 ⊢ 𝐶 ∈ V
11		caovdir.com	. . . 4 ⊢ (𝑥𝐺𝑦) = (𝑦𝐺𝑥)
12		caovdir.distr	. . . 4 ⊢ (𝑥𝐺(𝑦𝐹𝑧)) = ((𝑥𝐺𝑦)𝐹(𝑥𝐺𝑧))
13		caovdl.4	. . . 4 ⊢ 𝐷 ∈ V
14		caovdl.5	. . . 4 ⊢ 𝐻 ∈ V
15		caovdl.ass	. . . 4 ⊢ ((𝑥𝐺𝑦)𝐺𝑧) = (𝑥𝐺(𝑦𝐺𝑧))
16	8, 9, 10, 11, 12, 13, 14, 15	caovdilem 7507	. . 3 ⊢ (((𝐴𝐺𝐶)𝐹(𝐵𝐺𝐷))𝐺𝐻) = ((𝐴𝐺(𝐶𝐺𝐻))𝐹(𝐵𝐺(𝐷𝐺𝐻)))
17		caovdl2.6	. . . 4 ⊢ 𝑅 ∈ V
18	8, 9, 13, 11, 12, 10, 17, 15	caovdilem 7507	. . 3 ⊢ (((𝐴𝐺𝐷)𝐹(𝐵𝐺𝐶))𝐺𝑅) = ((𝐴𝐺(𝐷𝐺𝑅))𝐹(𝐵𝐺(𝐶𝐺𝑅)))
19	16, 18	oveq12i 7287	. 2 ⊢ ((((𝐴𝐺𝐶)𝐹(𝐵𝐺𝐷))𝐺𝐻)𝐹(((𝐴𝐺𝐷)𝐹(𝐵𝐺𝐶))𝐺𝑅)) = (((𝐴𝐺(𝐶𝐺𝐻))𝐹(𝐵𝐺(𝐷𝐺𝐻)))𝐹((𝐴𝐺(𝐷𝐺𝑅))𝐹(𝐵𝐺(𝐶𝐺𝑅))))
20		ovex 7308	. . . 4 ⊢ (𝐶𝐺𝐻) ∈ V
21		ovex 7308	. . . 4 ⊢ (𝐷𝐺𝑅) ∈ V
22	8, 20, 21, 12	caovdi 7491	. . 3 ⊢ (𝐴𝐺((𝐶𝐺𝐻)𝐹(𝐷𝐺𝑅))) = ((𝐴𝐺(𝐶𝐺𝐻))𝐹(𝐴𝐺(𝐷𝐺𝑅)))
23		ovex 7308	. . . 4 ⊢ (𝐶𝐺𝑅) ∈ V
24		ovex 7308	. . . 4 ⊢ (𝐷𝐺𝐻) ∈ V
25	9, 23, 24, 12	caovdi 7491	. . 3 ⊢ (𝐵𝐺((𝐶𝐺𝑅)𝐹(𝐷𝐺𝐻))) = ((𝐵𝐺(𝐶𝐺𝑅))𝐹(𝐵𝐺(𝐷𝐺𝐻)))
26	22, 25	oveq12i 7287	. 2 ⊢ ((𝐴𝐺((𝐶𝐺𝐻)𝐹(𝐷𝐺𝑅)))𝐹(𝐵𝐺((𝐶𝐺𝑅)𝐹(𝐷𝐺𝐻)))) = (((𝐴𝐺(𝐶𝐺𝐻))𝐹(𝐴𝐺(𝐷𝐺𝑅)))𝐹((𝐵𝐺(𝐶𝐺𝑅))𝐹(𝐵𝐺(𝐷𝐺𝐻))))
27	7, 19, 26	3eqtr4i 2776	1 ⊢ ((((𝐴𝐺𝐶)𝐹(𝐵𝐺𝐷))𝐺𝐻)𝐹(((𝐴𝐺𝐷)𝐹(𝐵𝐺𝐶))𝐺𝑅)) = ((𝐴𝐺((𝐶𝐺𝐻)𝐹(𝐷𝐺𝑅)))𝐹(𝐵𝐺((𝐶𝐺𝑅)𝐹(𝐷𝐺𝐻))))

Syntax hints:   = wceq 1539   ∈ wcel 2106  Vcvv 3432  (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-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-nul 5230

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-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-ral 3069  df-rex 3070  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:  mulasssr  10846