pjclem1 - Hilbert Space Explorer

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Theorem pjclem1 30143

Description: Lemma for projection commutation theorem. (Contributed by NM, 16-Nov-2000.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
pjclem1.1	⊢ 𝐺 ∈ C_ℋ
pjclem1.2	⊢ 𝐻 ∈ C_ℋ

**Assertion**
Ref	Expression
pjclem1	⊢ (𝐺 𝐶_ℋ 𝐻 → ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘𝐻)) = (proj_ℎ‘(𝐺 ∩ 𝐻)))

**Proof of Theorem pjclem1**
Step	Hyp	Ref	Expression
1		pjclem1.1	. . . . . 6 ⊢ 𝐺 ∈ C_ℋ
2		pjclem1.2	. . . . . 6 ⊢ 𝐻 ∈ C_ℋ
3	1, 2	cmbri 29538	. . . . 5 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ 𝐺 = ((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻))))
4		fveq2 6687	. . . . 5 ⊢ (𝐺 = ((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻))) → (proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))))
5	3, 4	sylbi 220	. . . 4 ⊢ (𝐺 𝐶_ℋ 𝐻 → (proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))))
6		inss2 4130	. . . . . . . 8 ⊢ (𝐺 ∩ 𝐻) ⊆ 𝐻
7	1	choccli 29255	. . . . . . . . . 10 ⊢ (⊥‘𝐺) ∈ C_ℋ
8	2, 7	chub2i 29418	. . . . . . . . 9 ⊢ 𝐻 ⊆ ((⊥‘𝐺) ∨_ℋ 𝐻)
9	1, 2	chdmm3i 29427	. . . . . . . . 9 ⊢ (⊥‘(𝐺 ∩ (⊥‘𝐻))) = ((⊥‘𝐺) ∨_ℋ 𝐻)
10	8, 9	sseqtrri 3924	. . . . . . . 8 ⊢ 𝐻 ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻)))
11	6, 10	sstri 3896	. . . . . . 7 ⊢ (𝐺 ∩ 𝐻) ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻)))
12	1, 2	chincli 29408	. . . . . . . 8 ⊢ (𝐺 ∩ 𝐻) ∈ C_ℋ
13	2	choccli 29255	. . . . . . . . 9 ⊢ (⊥‘𝐻) ∈ C_ℋ
14	1, 13	chincli 29408	. . . . . . . 8 ⊢ (𝐺 ∩ (⊥‘𝐻)) ∈ C_ℋ
15	12, 14	pjscji 30118	. . . . . . 7 ⊢ ((𝐺 ∩ 𝐻) ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻))) → (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))))
16	11, 15	ax-mp 5	. . . . . 6 ⊢ (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))
17	16	eqeq2i 2752	. . . . 5 ⊢ ((proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))) ↔ (proj_ℎ‘𝐺) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))))
18		coeq2 5711	. . . . . 6 ⊢ ((proj_ℎ‘𝐺) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))) → ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) = ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))))
19	12	pjfi 29652	. . . . . . . . . 10 ⊢ (proj_ℎ‘(𝐺 ∩ 𝐻)): ℋ⟶ ℋ
20	14	pjfi 29652	. . . . . . . . . 10 ⊢ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))): ℋ⟶ ℋ
21	2, 19, 20	pjsdii 30103	. . . . . . . . 9 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))))
22	12, 2	pjss1coi 30111	. . . . . . . . . . 11 ⊢ ((𝐺 ∩ 𝐻) ⊆ 𝐻 ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
23	6, 22	mpbi 233	. . . . . . . . . 10 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
24	2, 14	pjorthcoi 30117	. . . . . . . . . . 11 ⊢ (𝐻 ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻))) → ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))) = 0_hop )
25	10, 24	ax-mp 5	. . . . . . . . . 10 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))) = 0_hop
26	23, 25	oveq12i 7195	. . . . . . . . 9 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op 0_hop )
27	19	hoaddid1i 29734	. . . . . . . . 9 ⊢ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op 0_hop ) = (proj_ℎ‘(𝐺 ∩ 𝐻))
28	21, 26, 27	3eqtri 2766	. . . . . . . 8 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
29	28	eqeq2i 2752	. . . . . . 7 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) = ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
30		coeq2 5711	. . . . . . . 8 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) = (proj_ℎ‘(𝐺 ∩ 𝐻)) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) = ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))))
31		inss1 4129	. . . . . . . . 9 ⊢ (𝐺 ∩ 𝐻) ⊆ 𝐺
32	12, 1	pjss1coi 30111	. . . . . . . . 9 ⊢ ((𝐺 ∩ 𝐻) ⊆ 𝐺 ↔ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
33	31, 32	mpbi 233	. . . . . . . 8 ⊢ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
34	30, 33	eqtrdi 2790	. . . . . . 7 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) = (proj_ℎ‘(𝐺 ∩ 𝐻)) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
35	29, 34	sylbi 220	. . . . . 6 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) = ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
36	18, 35	syl 17	. . . . 5 ⊢ ((proj_ℎ‘𝐺) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻)))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
37	17, 36	sylbi 220	. . . 4 ⊢ ((proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
38	5, 37	syl 17	. . 3 ⊢ (𝐺 𝐶_ℋ 𝐻 → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
39	1, 2	cmcm3i 29542	. . . . 5 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) 𝐶_ℋ 𝐻)
40	7, 2	cmbri 29538	. . . . 5 ⊢ ((⊥‘𝐺) 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))))
41	39, 40	bitri 278	. . . 4 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))))
42		fveq2 6687	. . . . 5 ⊢ ((⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))) → (proj_ℎ‘(⊥‘𝐺)) = (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))))
43		inss2 4130	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ 𝐻) ⊆ 𝐻
44	2, 1	chub2i 29418	. . . . . . . . . 10 ⊢ 𝐻 ⊆ (𝐺 ∨_ℋ 𝐻)
45	1, 2	chdmm4i 29428	. . . . . . . . . 10 ⊢ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻))) = (𝐺 ∨_ℋ 𝐻)
46	44, 45	sseqtrri 3924	. . . . . . . . 9 ⊢ 𝐻 ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻)))
47	43, 46	sstri 3896	. . . . . . . 8 ⊢ ((⊥‘𝐺) ∩ 𝐻) ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻)))
48	7, 2	chincli 29408	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ 𝐻) ∈ C_ℋ
49	7, 13	chincli 29408	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ (⊥‘𝐻)) ∈ C_ℋ
50	48, 49	pjscji 30118	. . . . . . . 8 ⊢ (((⊥‘𝐺) ∩ 𝐻) ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻))) → (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))) = ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))))
51	47, 50	ax-mp 5	. . . . . . 7 ⊢ (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))) = ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))
52	51	eqeq2i 2752	. . . . . 6 ⊢ ((proj_ℎ‘(⊥‘𝐺)) = (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))) ↔ (proj_ℎ‘(⊥‘𝐺)) = ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))))
53		coeq2 5711	. . . . . . 7 ⊢ ((proj_ℎ‘(⊥‘𝐺)) = ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))) → ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))) = ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))))
54	48	pjfi 29652	. . . . . . . . . . 11 ⊢ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)): ℋ⟶ ℋ
55	49	pjfi 29652	. . . . . . . . . . 11 ⊢ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))): ℋ⟶ ℋ
56	2, 54, 55	pjsdii 30103	. . . . . . . . . 10 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))))
57	48, 2	pjss1coi 30111	. . . . . . . . . . . 12 ⊢ (((⊥‘𝐺) ∩ 𝐻) ⊆ 𝐻 ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)))
58	43, 57	mpbi 233	. . . . . . . . . . 11 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
59	2, 49	pjorthcoi 30117	. . . . . . . . . . . 12 ⊢ (𝐻 ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻))) → ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))) = 0_hop )
60	46, 59	ax-mp 5	. . . . . . . . . . 11 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))) = 0_hop
61	58, 60	oveq12i 7195	. . . . . . . . . 10 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) = ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op 0_hop )
62	54	hoaddid1i 29734	. . . . . . . . . 10 ⊢ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op 0_hop ) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
63	56, 61, 62	3eqtri 2766	. . . . . . . . 9 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
64	63	eqeq2i 2752	. . . . . . . 8 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))) = ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)))
65		coeq2 5711	. . . . . . . . 9 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))))
66	1, 13	chub1i 29417	. . . . . . . . . . 11 ⊢ 𝐺 ⊆ (𝐺 ∨_ℋ (⊥‘𝐻))
67	1, 2	chdmm2i 29426	. . . . . . . . . . 11 ⊢ (⊥‘((⊥‘𝐺) ∩ 𝐻)) = (𝐺 ∨_ℋ (⊥‘𝐻))
68	66, 67	sseqtrri 3924	. . . . . . . . . 10 ⊢ 𝐺 ⊆ (⊥‘((⊥‘𝐺) ∩ 𝐻))
69	1, 48	pjorthcoi 30117	. . . . . . . . . 10 ⊢ (𝐺 ⊆ (⊥‘((⊥‘𝐺) ∩ 𝐻)) → ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = 0_hop )
70	68, 69	ax-mp 5	. . . . . . . . 9 ⊢ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = 0_hop
71	65, 70	eqtrdi 2790	. . . . . . . 8 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
72	64, 71	sylbi 220	. . . . . . 7 ⊢ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))) = ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
73	53, 72	syl 17	. . . . . 6 ⊢ ((proj_ℎ‘(⊥‘𝐺)) = ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻)))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
74	52, 73	sylbi 220	. . . . 5 ⊢ ((proj_ℎ‘(⊥‘𝐺)) = (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
75	42, 74	syl 17	. . . 4 ⊢ ((⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))) → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
76	41, 75	sylbi 220	. . 3 ⊢ (𝐺 𝐶_ℋ 𝐻 → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
77	38, 76	oveq12d 7201	. 2 ⊢ (𝐺 𝐶_ℋ 𝐻 → (((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) +_op ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))) = ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op 0_hop ))
78		df-iop 29697	. . . . . . 7 ⊢ I_op = (proj_ℎ‘ ℋ)
79	78	coeq2i 5713	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ I_op ) = ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ))
80	2	pjfi 29652	. . . . . . 7 ⊢ (proj_ℎ‘𝐻): ℋ⟶ ℋ
81	80	hoid1i 29737	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ I_op ) = (proj_ℎ‘𝐻)
82	79, 81	eqtr3i 2764	. . . . 5 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ)) = (proj_ℎ‘𝐻)
83	1	pjtoi 30127	. . . . . . 7 ⊢ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺))) = (proj_ℎ‘ ℋ)
84	83	coeq2i 5713	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺)))) = ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ))
85	1	pjfi 29652	. . . . . . 7 ⊢ (proj_ℎ‘𝐺): ℋ⟶ ℋ
86	7	pjfi 29652	. . . . . . 7 ⊢ (proj_ℎ‘(⊥‘𝐺)): ℋ⟶ ℋ
87	2, 85, 86	pjsdii 30103	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺)))) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
88	84, 87	eqtr3i 2764	. . . . 5 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ)) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
89	82, 88	eqtr3i 2764	. . . 4 ⊢ (proj_ℎ‘𝐻) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
90	89	coeq2i 5713	. . 3 ⊢ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘𝐻)) = ((proj_ℎ‘𝐺) ∘ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))))
91	80, 85	hocofi 29714	. . . 4 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)): ℋ⟶ ℋ
92	80, 86	hocofi 29714	. . . 4 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))): ℋ⟶ ℋ
93	1, 91, 92	pjsdii 30103	. . 3 ⊢ ((proj_ℎ‘𝐺) ∘ (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))) = (((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) +_op ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))))
94	90, 93	eqtr2i 2763	. 2 ⊢ (((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺))) +_op ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))) = ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘𝐻))
95	77, 94, 27	3eqtr3g 2797	1 ⊢ (𝐺 𝐶_ℋ 𝐻 → ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘𝐻)) = (proj_ℎ‘(𝐺 ∩ 𝐻)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ∩ cin 3852 ⊆ wss 3853 class class class wbr 5040 ∘ ccom 5539 ‘cfv 6350 (class class class)co 7183 ℋchba 28867 C_ℋ cch 28877 ⊥cort 28878 ∨_ℋ chj 28881 𝐶_ℋ ccm 28884 proj_ℎcpjh 28885 +_op chos 28886 0_hop ch0o 28891 I_op chio 28892

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2711 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5242 ax-pr 5306 ax-un 7492 ax-inf2 9190 ax-cc 9948 ax-cnex 10684 ax-resscn 10685 ax-1cn 10686 ax-icn 10687 ax-addcl 10688 ax-addrcl 10689 ax-mulcl 10690 ax-mulrcl 10691 ax-mulcom 10692 ax-addass 10693 ax-mulass 10694 ax-distr 10695 ax-i2m1 10696 ax-1ne0 10697 ax-1rid 10698 ax-rnegex 10699 ax-rrecex 10700 ax-cnre 10701 ax-pre-lttri 10702 ax-pre-lttrn 10703 ax-pre-ltadd 10704 ax-pre-mulgt0 10705 ax-pre-sup 10706 ax-addf 10707 ax-mulf 10708 ax-hilex 28947 ax-hfvadd 28948 ax-hvcom 28949 ax-hvass 28950 ax-hv0cl 28951 ax-hvaddid 28952 ax-hfvmul 28953 ax-hvmulid 28954 ax-hvmulass 28955 ax-hvdistr1 28956 ax-hvdistr2 28957 ax-hvmul0 28958 ax-hfi 29027 ax-his1 29030 ax-his2 29031 ax-his3 29032 ax-his4 29033 ax-hcompl 29150

This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2541 df-eu 2571 df-clab 2718 df-cleq 2731 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rmo 3062 df-rab 3063 df-v 3402 df-sbc 3686 df-csb 3801 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4222 df-if 4425 df-pw 4500 df-sn 4527 df-pr 4529 df-tp 4531 df-op 4533 df-uni 4807 df-int 4847 df-iun 4893 df-iin 4894 df-br 5041 df-opab 5103 df-mpt 5121 df-tr 5147 df-id 5439 df-eprel 5444 df-po 5452 df-so 5453 df-fr 5493 df-se 5494 df-we 5495 df-xp 5541 df-rel 5542 df-cnv 5543 df-co 5544 df-dm 5545 df-rn 5546 df-res 5547 df-ima 5548 df-pred 6139 df-ord 6186 df-on 6187 df-lim 6188 df-suc 6189 df-iota 6308 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-isom 6359 df-riota 7140 df-ov 7186 df-oprab 7187 df-mpo 7188 df-of 7438 df-om 7613 df-1st 7727 df-2nd 7728 df-supp 7870 df-wrecs 7989 df-recs 8050 df-rdg 8088 df-1o 8144 df-2o 8145 df-oadd 8148 df-omul 8149 df-er 8333 df-map 8452 df-pm 8453 df-ixp 8521 df-en 8569 df-dom 8570 df-sdom 8571 df-fin 8572 df-fsupp 8920 df-fi 8961 df-sup 8992 df-inf 8993 df-oi 9060 df-card 9454 df-acn 9457 df-pnf 10768 df-mnf 10769 df-xr 10770 df-ltxr 10771 df-le 10772 df-sub 10963 df-neg 10964 df-div 11389 df-nn 11730 df-2 11792 df-3 11793 df-4 11794 df-5 11795 df-6 11796 df-7 11797 df-8 11798 df-9 11799 df-n0 11990 df-z 12076 df-dec 12193 df-uz 12338 df-q 12444 df-rp 12486 df-xneg 12603 df-xadd 12604 df-xmul 12605 df-ioo 12838 df-ico 12840 df-icc 12841 df-fz 12995 df-fzo 13138 df-fl 13266 df-seq 13474 df-exp 13535 df-hash 13796 df-cj 14561 df-re 14562 df-im 14563 df-sqrt 14697 df-abs 14698 df-clim 14948 df-rlim 14949 df-sum 15149 df-struct 16601 df-ndx 16602 df-slot 16603 df-base 16605 df-sets 16606 df-ress 16607 df-plusg 16694 df-mulr 16695 df-starv 16696 df-sca 16697 df-vsca 16698 df-ip 16699 df-tset 16700 df-ple 16701 df-ds 16703 df-unif 16704 df-hom 16705 df-cco 16706 df-rest 16812 df-topn 16813 df-0g 16831 df-gsum 16832 df-topgen 16833 df-pt 16834 df-prds 16837 df-xrs 16891 df-qtop 16896 df-imas 16897 df-xps 16899 df-mre 16973 df-mrc 16974 df-acs 16976 df-mgm 17981 df-sgrp 18030 df-mnd 18041 df-submnd 18086 df-mulg 18356 df-cntz 18578 df-cmn 19039 df-psmet 20222 df-xmet 20223 df-met 20224 df-bl 20225 df-mopn 20226 df-fbas 20227 df-fg 20228 df-cnfld 20231 df-top 21658 df-topon 21675 df-topsp 21697 df-bases 21710 df-cld 21783 df-ntr 21784 df-cls 21785 df-nei 21862 df-cn 21991 df-cnp 21992 df-lm 21993 df-haus 22079 df-tx 22326 df-hmeo 22519 df-fil 22610 df-fm 22702 df-flim 22703 df-flf 22704 df-xms 23086 df-ms 23087 df-tms 23088 df-cfil 24020 df-cau 24021 df-cmet 24022 df-grpo 28441 df-gid 28442 df-ginv 28443 df-gdiv 28444 df-ablo 28493 df-vc 28507 df-nv 28540 df-va 28543 df-ba 28544 df-sm 28545 df-0v 28546 df-vs 28547 df-nmcv 28548 df-ims 28549 df-dip 28649 df-ssp 28670 df-ph 28761 df-cbn 28811 df-hnorm 28916 df-hba 28917 df-hvsub 28919 df-hlim 28920 df-hcau 28921 df-sh 29155 df-ch 29169 df-oc 29200 df-ch0 29201 df-shs 29256 df-chj 29258 df-pjh 29343 df-cm 29531 df-hosum 29678 df-h0op 29696 df-iop 29697

This theorem is referenced by: pjclem2 30144

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