pjclem1 - Hilbert Space Explorer

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Theorem pjclem1 30557

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 29952	. . . . 5 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ 𝐺 = ((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻))))
4		fveq2 6774	. . . . 5 ⊢ (𝐺 = ((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻))) → (proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))))
5	3, 4	sylbi 216	. . . 4 ⊢ (𝐺 𝐶_ℋ 𝐻 → (proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))))
6		inss2 4163	. . . . . . . 8 ⊢ (𝐺 ∩ 𝐻) ⊆ 𝐻
7	1	choccli 29669	. . . . . . . . . 10 ⊢ (⊥‘𝐺) ∈ C_ℋ
8	2, 7	chub2i 29832	. . . . . . . . 9 ⊢ 𝐻 ⊆ ((⊥‘𝐺) ∨_ℋ 𝐻)
9	1, 2	chdmm3i 29841	. . . . . . . . 9 ⊢ (⊥‘(𝐺 ∩ (⊥‘𝐻))) = ((⊥‘𝐺) ∨_ℋ 𝐻)
10	8, 9	sseqtrri 3958	. . . . . . . 8 ⊢ 𝐻 ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻)))
11	6, 10	sstri 3930	. . . . . . 7 ⊢ (𝐺 ∩ 𝐻) ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻)))
12	1, 2	chincli 29822	. . . . . . . 8 ⊢ (𝐺 ∩ 𝐻) ∈ C_ℋ
13	2	choccli 29669	. . . . . . . . 9 ⊢ (⊥‘𝐻) ∈ C_ℋ
14	1, 13	chincli 29822	. . . . . . . 8 ⊢ (𝐺 ∩ (⊥‘𝐻)) ∈ C_ℋ
15	12, 14	pjscji 30532	. . . . . . 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 2751	. . . . 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 5767	. . . . . 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 30066	. . . . . . . . . 10 ⊢ (proj_ℎ‘(𝐺 ∩ 𝐻)): ℋ⟶ ℋ
20	14	pjfi 30066	. . . . . . . . . 10 ⊢ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))): ℋ⟶ ℋ
21	2, 19, 20	pjsdii 30517	. . . . . . . . 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 30525	. . . . . . . . . . 11 ⊢ ((𝐺 ∩ 𝐻) ⊆ 𝐻 ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
23	6, 22	mpbi 229	. . . . . . . . . 10 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
24	2, 14	pjorthcoi 30531	. . . . . . . . . . 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 7287	. . . . . . . . 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 30148	. . . . . . . . 9 ⊢ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op 0_hop ) = (proj_ℎ‘(𝐺 ∩ 𝐻))
28	21, 26, 27	3eqtri 2770	. . . . . . . 8 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
29	28	eqeq2i 2751	. . . . . . 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 5767	. . . . . . . 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 4162	. . . . . . . . 9 ⊢ (𝐺 ∩ 𝐻) ⊆ 𝐺
32	12, 1	pjss1coi 30525	. . . . . . . . 9 ⊢ ((𝐺 ∩ 𝐻) ⊆ 𝐺 ↔ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
33	31, 32	mpbi 229	. . . . . . . 8 ⊢ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
34	30, 33	eqtrdi 2794	. . . . . . 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 216	. . . . . 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 216	. . . 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 29956	. . . . 5 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) 𝐶_ℋ 𝐻)
40	7, 2	cmbri 29952	. . . . 5 ⊢ ((⊥‘𝐺) 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))))
41	39, 40	bitri 274	. . . 4 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))))
42		fveq2 6774	. . . . 5 ⊢ ((⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))) → (proj_ℎ‘(⊥‘𝐺)) = (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))))
43		inss2 4163	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ 𝐻) ⊆ 𝐻
44	2, 1	chub2i 29832	. . . . . . . . . 10 ⊢ 𝐻 ⊆ (𝐺 ∨_ℋ 𝐻)
45	1, 2	chdmm4i 29842	. . . . . . . . . 10 ⊢ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻))) = (𝐺 ∨_ℋ 𝐻)
46	44, 45	sseqtrri 3958	. . . . . . . . 9 ⊢ 𝐻 ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻)))
47	43, 46	sstri 3930	. . . . . . . 8 ⊢ ((⊥‘𝐺) ∩ 𝐻) ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻)))
48	7, 2	chincli 29822	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ 𝐻) ∈ C_ℋ
49	7, 13	chincli 29822	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ (⊥‘𝐻)) ∈ C_ℋ
50	48, 49	pjscji 30532	. . . . . . . 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 2751	. . . . . 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 5767	. . . . . . 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 30066	. . . . . . . . . . 11 ⊢ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)): ℋ⟶ ℋ
55	49	pjfi 30066	. . . . . . . . . . 11 ⊢ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))): ℋ⟶ ℋ
56	2, 54, 55	pjsdii 30517	. . . . . . . . . 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 30525	. . . . . . . . . . . 12 ⊢ (((⊥‘𝐺) ∩ 𝐻) ⊆ 𝐻 ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)))
58	43, 57	mpbi 229	. . . . . . . . . . 11 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
59	2, 49	pjorthcoi 30531	. . . . . . . . . . . 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 7287	. . . . . . . . . 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 30148	. . . . . . . . . 10 ⊢ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op 0_hop ) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
63	56, 61, 62	3eqtri 2770	. . . . . . . . 9 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
64	63	eqeq2i 2751	. . . . . . . 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 5767	. . . . . . . . 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 29831	. . . . . . . . . . 11 ⊢ 𝐺 ⊆ (𝐺 ∨_ℋ (⊥‘𝐻))
67	1, 2	chdmm2i 29840	. . . . . . . . . . 11 ⊢ (⊥‘((⊥‘𝐺) ∩ 𝐻)) = (𝐺 ∨_ℋ (⊥‘𝐻))
68	66, 67	sseqtrri 3958	. . . . . . . . . 10 ⊢ 𝐺 ⊆ (⊥‘((⊥‘𝐺) ∩ 𝐻))
69	1, 48	pjorthcoi 30531	. . . . . . . . . 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 2794	. . . . . . . 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 216	. . . . . . 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 216	. . . . 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 216	. . 3 ⊢ (𝐺 𝐶_ℋ 𝐻 → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
77	38, 76	oveq12d 7293	. 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 30111	. . . . . . 7 ⊢ I_op = (proj_ℎ‘ ℋ)
79	78	coeq2i 5769	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ I_op ) = ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ))
80	2	pjfi 30066	. . . . . . 7 ⊢ (proj_ℎ‘𝐻): ℋ⟶ ℋ
81	80	hoid1i 30151	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ I_op ) = (proj_ℎ‘𝐻)
82	79, 81	eqtr3i 2768	. . . . 5 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ)) = (proj_ℎ‘𝐻)
83	1	pjtoi 30541	. . . . . . 7 ⊢ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺))) = (proj_ℎ‘ ℋ)
84	83	coeq2i 5769	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺)))) = ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ))
85	1	pjfi 30066	. . . . . . 7 ⊢ (proj_ℎ‘𝐺): ℋ⟶ ℋ
86	7	pjfi 30066	. . . . . . 7 ⊢ (proj_ℎ‘(⊥‘𝐺)): ℋ⟶ ℋ
87	2, 85, 86	pjsdii 30517	. . . . . 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 2768	. . . . 5 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ)) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
89	82, 88	eqtr3i 2768	. . . 4 ⊢ (proj_ℎ‘𝐻) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
90	89	coeq2i 5769	. . 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 30128	. . . 4 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)): ℋ⟶ ℋ
92	80, 86	hocofi 30128	. . . 4 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))): ℋ⟶ ℋ
93	1, 91, 92	pjsdii 30517	. . 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 2767	. 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 2801	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 1539 ∈ wcel 2106 ∩ cin 3886 ⊆ wss 3887 class class class wbr 5074 ∘ ccom 5593 ‘cfv 6433 (class class class)co 7275 ℋchba 29281 C_ℋ cch 29291 ⊥cort 29292 ∨_ℋ chj 29295 𝐶_ℋ ccm 29298 proj_ℎcpjh 29299 +_op chos 29300 0_hop ch0o 29305 I_op chio 29306

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-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cc 10191 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 ax-addf 10950 ax-mulf 10951 ax-hilex 29361 ax-hfvadd 29362 ax-hvcom 29363 ax-hvass 29364 ax-hv0cl 29365 ax-hvaddid 29366 ax-hfvmul 29367 ax-hvmulid 29368 ax-hvmulass 29369 ax-hvdistr1 29370 ax-hvdistr2 29371 ax-hvmul0 29372 ax-hfi 29441 ax-his1 29444 ax-his2 29445 ax-his3 29446 ax-his4 29447 ax-hcompl 29564

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 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-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-om 7713 df-1st 7831 df-2nd 7832 df-supp 7978 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-2o 8298 df-oadd 8301 df-omul 8302 df-er 8498 df-map 8617 df-pm 8618 df-ixp 8686 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fsupp 9129 df-fi 9170 df-sup 9201 df-inf 9202 df-oi 9269 df-card 9697 df-acn 9700 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-q 12689 df-rp 12731 df-xneg 12848 df-xadd 12849 df-xmul 12850 df-ioo 13083 df-ico 13085 df-icc 13086 df-fz 13240 df-fzo 13383 df-fl 13512 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-clim 15197 df-rlim 15198 df-sum 15398 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-starv 16977 df-sca 16978 df-vsca 16979 df-ip 16980 df-tset 16981 df-ple 16982 df-ds 16984 df-unif 16985 df-hom 16986 df-cco 16987 df-rest 17133 df-topn 17134 df-0g 17152 df-gsum 17153 df-topgen 17154 df-pt 17155 df-prds 17158 df-xrs 17213 df-qtop 17218 df-imas 17219 df-xps 17221 df-mre 17295 df-mrc 17296 df-acs 17298 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-submnd 18431 df-mulg 18701 df-cntz 18923 df-cmn 19388 df-psmet 20589 df-xmet 20590 df-met 20591 df-bl 20592 df-mopn 20593 df-fbas 20594 df-fg 20595 df-cnfld 20598 df-top 22043 df-topon 22060 df-topsp 22082 df-bases 22096 df-cld 22170 df-ntr 22171 df-cls 22172 df-nei 22249 df-cn 22378 df-cnp 22379 df-lm 22380 df-haus 22466 df-tx 22713 df-hmeo 22906 df-fil 22997 df-fm 23089 df-flim 23090 df-flf 23091 df-xms 23473 df-ms 23474 df-tms 23475 df-cfil 24419 df-cau 24420 df-cmet 24421 df-grpo 28855 df-gid 28856 df-ginv 28857 df-gdiv 28858 df-ablo 28907 df-vc 28921 df-nv 28954 df-va 28957 df-ba 28958 df-sm 28959 df-0v 28960 df-vs 28961 df-nmcv 28962 df-ims 28963 df-dip 29063 df-ssp 29084 df-ph 29175 df-cbn 29225 df-hnorm 29330 df-hba 29331 df-hvsub 29333 df-hlim 29334 df-hcau 29335 df-sh 29569 df-ch 29583 df-oc 29614 df-ch0 29615 df-shs 29670 df-chj 29672 df-pjh 29757 df-cm 29945 df-hosum 30092 df-h0op 30110 df-iop 30111

This theorem is referenced by: pjclem2 30558

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