pjclem1 - Hilbert Space Explorer

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Theorem pjclem1 32143

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 31538	. . . . 5 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ 𝐺 = ((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻))))
4		fveq2 6886	. . . . 5 ⊢ (𝐺 = ((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻))) → (proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))))
5	3, 4	sylbi 217	. . . 4 ⊢ (𝐺 𝐶_ℋ 𝐻 → (proj_ℎ‘𝐺) = (proj_ℎ‘((𝐺 ∩ 𝐻) ∨_ℋ (𝐺 ∩ (⊥‘𝐻)))))
6		inss2 4218	. . . . . . . 8 ⊢ (𝐺 ∩ 𝐻) ⊆ 𝐻
7	1	choccli 31255	. . . . . . . . . 10 ⊢ (⊥‘𝐺) ∈ C_ℋ
8	2, 7	chub2i 31418	. . . . . . . . 9 ⊢ 𝐻 ⊆ ((⊥‘𝐺) ∨_ℋ 𝐻)
9	1, 2	chdmm3i 31427	. . . . . . . . 9 ⊢ (⊥‘(𝐺 ∩ (⊥‘𝐻))) = ((⊥‘𝐺) ∨_ℋ 𝐻)
10	8, 9	sseqtrri 4013	. . . . . . . 8 ⊢ 𝐻 ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻)))
11	6, 10	sstri 3973	. . . . . . 7 ⊢ (𝐺 ∩ 𝐻) ⊆ (⊥‘(𝐺 ∩ (⊥‘𝐻)))
12	1, 2	chincli 31408	. . . . . . . 8 ⊢ (𝐺 ∩ 𝐻) ∈ C_ℋ
13	2	choccli 31255	. . . . . . . . 9 ⊢ (⊥‘𝐻) ∈ C_ℋ
14	1, 13	chincli 31408	. . . . . . . 8 ⊢ (𝐺 ∩ (⊥‘𝐻)) ∈ C_ℋ
15	12, 14	pjscji 32118	. . . . . . 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 2747	. . . . 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 5849	. . . . . 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 31652	. . . . . . . . . 10 ⊢ (proj_ℎ‘(𝐺 ∩ 𝐻)): ℋ⟶ ℋ
20	14	pjfi 31652	. . . . . . . . . 10 ⊢ (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))): ℋ⟶ ℋ
21	2, 19, 20	pjsdii 32103	. . . . . . . . 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 32111	. . . . . . . . . . 11 ⊢ ((𝐺 ∩ 𝐻) ⊆ 𝐻 ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
23	6, 22	mpbi 230	. . . . . . . . . 10 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
24	2, 14	pjorthcoi 32117	. . . . . . . . . . 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 7425	. . . . . . . . 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	hoaddridi 31734	. . . . . . . . 9 ⊢ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op 0_hop ) = (proj_ℎ‘(𝐺 ∩ 𝐻))
28	21, 26, 27	3eqtri 2761	. . . . . . . 8 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘(𝐺 ∩ 𝐻)) +_op (proj_ℎ‘(𝐺 ∩ (⊥‘𝐻))))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
29	28	eqeq2i 2747	. . . . . . 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 5849	. . . . . . . 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 4217	. . . . . . . . 9 ⊢ (𝐺 ∩ 𝐻) ⊆ 𝐺
32	12, 1	pjss1coi 32111	. . . . . . . . 9 ⊢ ((𝐺 ∩ 𝐻) ⊆ 𝐺 ↔ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻)))
33	31, 32	mpbi 230	. . . . . . . 8 ⊢ ((proj_ℎ‘𝐺) ∘ (proj_ℎ‘(𝐺 ∩ 𝐻))) = (proj_ℎ‘(𝐺 ∩ 𝐻))
34	30, 33	eqtrdi 2785	. . . . . . 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 217	. . . . . 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 217	. . . 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 31542	. . . . 5 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) 𝐶_ℋ 𝐻)
40	7, 2	cmbri 31538	. . . . 5 ⊢ ((⊥‘𝐺) 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))))
41	39, 40	bitri 275	. . . 4 ⊢ (𝐺 𝐶_ℋ 𝐻 ↔ (⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))))
42		fveq2 6886	. . . . 5 ⊢ ((⊥‘𝐺) = (((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻))) → (proj_ℎ‘(⊥‘𝐺)) = (proj_ℎ‘(((⊥‘𝐺) ∩ 𝐻) ∨_ℋ ((⊥‘𝐺) ∩ (⊥‘𝐻)))))
43		inss2 4218	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ 𝐻) ⊆ 𝐻
44	2, 1	chub2i 31418	. . . . . . . . . 10 ⊢ 𝐻 ⊆ (𝐺 ∨_ℋ 𝐻)
45	1, 2	chdmm4i 31428	. . . . . . . . . 10 ⊢ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻))) = (𝐺 ∨_ℋ 𝐻)
46	44, 45	sseqtrri 4013	. . . . . . . . 9 ⊢ 𝐻 ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻)))
47	43, 46	sstri 3973	. . . . . . . 8 ⊢ ((⊥‘𝐺) ∩ 𝐻) ⊆ (⊥‘((⊥‘𝐺) ∩ (⊥‘𝐻)))
48	7, 2	chincli 31408	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ 𝐻) ∈ C_ℋ
49	7, 13	chincli 31408	. . . . . . . . 9 ⊢ ((⊥‘𝐺) ∩ (⊥‘𝐻)) ∈ C_ℋ
50	48, 49	pjscji 32118	. . . . . . . 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 2747	. . . . . 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 5849	. . . . . . 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 31652	. . . . . . . . . . 11 ⊢ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)): ℋ⟶ ℋ
55	49	pjfi 31652	. . . . . . . . . . 11 ⊢ (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))): ℋ⟶ ℋ
56	2, 54, 55	pjsdii 32103	. . . . . . . . . 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 32111	. . . . . . . . . . . 12 ⊢ (((⊥‘𝐺) ∩ 𝐻) ⊆ 𝐻 ↔ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)))
58	43, 57	mpbi 230	. . . . . . . . . . 11 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
59	2, 49	pjorthcoi 32117	. . . . . . . . . . . 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 7425	. . . . . . . . . 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	hoaddridi 31734	. . . . . . . . . 10 ⊢ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op 0_hop ) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
63	56, 61, 62	3eqtri 2761	. . . . . . . . 9 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘((⊥‘𝐺) ∩ 𝐻)) +_op (proj_ℎ‘((⊥‘𝐺) ∩ (⊥‘𝐻))))) = (proj_ℎ‘((⊥‘𝐺) ∩ 𝐻))
64	63	eqeq2i 2747	. . . . . . . 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 5849	. . . . . . . . 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 31417	. . . . . . . . . . 11 ⊢ 𝐺 ⊆ (𝐺 ∨_ℋ (⊥‘𝐻))
67	1, 2	chdmm2i 31426	. . . . . . . . . . 11 ⊢ (⊥‘((⊥‘𝐺) ∩ 𝐻)) = (𝐺 ∨_ℋ (⊥‘𝐻))
68	66, 67	sseqtrri 4013	. . . . . . . . . 10 ⊢ 𝐺 ⊆ (⊥‘((⊥‘𝐺) ∩ 𝐻))
69	1, 48	pjorthcoi 32117	. . . . . . . . . 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 2785	. . . . . . . 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 217	. . . . . . 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 217	. . . . 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 217	. . 3 ⊢ (𝐺 𝐶_ℋ 𝐻 → ((proj_ℎ‘𝐺) ∘ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺)))) = 0_hop )
77	38, 76	oveq12d 7431	. 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 31697	. . . . . . 7 ⊢ I_op = (proj_ℎ‘ ℋ)
79	78	coeq2i 5851	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ I_op ) = ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ))
80	2	pjfi 31652	. . . . . . 7 ⊢ (proj_ℎ‘𝐻): ℋ⟶ ℋ
81	80	hoid1i 31737	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ I_op ) = (proj_ℎ‘𝐻)
82	79, 81	eqtr3i 2759	. . . . 5 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ)) = (proj_ℎ‘𝐻)
83	1	pjtoi 32127	. . . . . . 7 ⊢ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺))) = (proj_ℎ‘ ℋ)
84	83	coeq2i 5851	. . . . . 6 ⊢ ((proj_ℎ‘𝐻) ∘ ((proj_ℎ‘𝐺) +_op (proj_ℎ‘(⊥‘𝐺)))) = ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ))
85	1	pjfi 31652	. . . . . . 7 ⊢ (proj_ℎ‘𝐺): ℋ⟶ ℋ
86	7	pjfi 31652	. . . . . . 7 ⊢ (proj_ℎ‘(⊥‘𝐺)): ℋ⟶ ℋ
87	2, 85, 86	pjsdii 32103	. . . . . 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 2759	. . . . 5 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘ ℋ)) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
89	82, 88	eqtr3i 2759	. . . 4 ⊢ (proj_ℎ‘𝐻) = (((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)) +_op ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))))
90	89	coeq2i 5851	. . 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 31714	. . . 4 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘𝐺)): ℋ⟶ ℋ
92	80, 86	hocofi 31714	. . . 4 ⊢ ((proj_ℎ‘𝐻) ∘ (proj_ℎ‘(⊥‘𝐺))): ℋ⟶ ℋ
93	1, 91, 92	pjsdii 32103	. . 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 2758	. 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 2792	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 2107 ∩ cin 3930 ⊆ wss 3931 class class class wbr 5123 ∘ ccom 5669 ‘cfv 6541 (class class class)co 7413 ℋchba 30867 C_ℋ cch 30877 ⊥cort 30878 ∨_ℋ chj 30881 𝐶_ℋ ccm 30884 proj_ℎcpjh 30885 +_op chos 30886 0_hop ch0o 30891 I_op chio 30892

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5259 ax-sep 5276 ax-nul 5286 ax-pow 5345 ax-pr 5412 ax-un 7737 ax-inf2 9663 ax-cc 10457 ax-cnex 11193 ax-resscn 11194 ax-1cn 11195 ax-icn 11196 ax-addcl 11197 ax-addrcl 11198 ax-mulcl 11199 ax-mulrcl 11200 ax-mulcom 11201 ax-addass 11202 ax-mulass 11203 ax-distr 11204 ax-i2m1 11205 ax-1ne0 11206 ax-1rid 11207 ax-rnegex 11208 ax-rrecex 11209 ax-cnre 11210 ax-pre-lttri 11211 ax-pre-lttrn 11212 ax-pre-ltadd 11213 ax-pre-mulgt0 11214 ax-pre-sup 11215 ax-addf 11216 ax-mulf 11217 ax-hilex 30947 ax-hfvadd 30948 ax-hvcom 30949 ax-hvass 30950 ax-hv0cl 30951 ax-hvaddid 30952 ax-hfvmul 30953 ax-hvmulid 30954 ax-hvmulass 30955 ax-hvdistr1 30956 ax-hvdistr2 30957 ax-hvmul0 30958 ax-hfi 31027 ax-his1 31030 ax-his2 31031 ax-his3 31032 ax-his4 31033 ax-hcompl 31150

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3363 df-reu 3364 df-rab 3420 df-v 3465 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-pss 3951 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-tp 4611 df-op 4613 df-uni 4888 df-int 4927 df-iun 4973 df-iin 4974 df-br 5124 df-opab 5186 df-mpt 5206 df-tr 5240 df-id 5558 df-eprel 5564 df-po 5572 df-so 5573 df-fr 5617 df-se 5618 df-we 5619 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-pred 6301 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7679 df-om 7870 df-1st 7996 df-2nd 7997 df-supp 8168 df-frecs 8288 df-wrecs 8319 df-recs 8393 df-rdg 8432 df-1o 8488 df-2o 8489 df-oadd 8492 df-omul 8493 df-er 8727 df-map 8850 df-pm 8851 df-ixp 8920 df-en 8968 df-dom 8969 df-sdom 8970 df-fin 8971 df-fsupp 9384 df-fi 9433 df-sup 9464 df-inf 9465 df-oi 9532 df-card 9961 df-acn 9964 df-pnf 11279 df-mnf 11280 df-xr 11281 df-ltxr 11282 df-le 11283 df-sub 11476 df-neg 11477 df-div 11903 df-nn 12249 df-2 12311 df-3 12312 df-4 12313 df-5 12314 df-6 12315 df-7 12316 df-8 12317 df-9 12318 df-n0 12510 df-z 12597 df-dec 12717 df-uz 12861 df-q 12973 df-rp 13017 df-xneg 13136 df-xadd 13137 df-xmul 13138 df-ioo 13373 df-ico 13375 df-icc 13376 df-fz 13530 df-fzo 13677 df-fl 13814 df-seq 14025 df-exp 14085 df-hash 14353 df-cj 15121 df-re 15122 df-im 15123 df-sqrt 15257 df-abs 15258 df-clim 15507 df-rlim 15508 df-sum 15706 df-struct 17167 df-sets 17184 df-slot 17202 df-ndx 17214 df-base 17231 df-ress 17254 df-plusg 17287 df-mulr 17288 df-starv 17289 df-sca 17290 df-vsca 17291 df-ip 17292 df-tset 17293 df-ple 17294 df-ds 17296 df-unif 17297 df-hom 17298 df-cco 17299 df-rest 17439 df-topn 17440 df-0g 17458 df-gsum 17459 df-topgen 17460 df-pt 17461 df-prds 17464 df-xrs 17519 df-qtop 17524 df-imas 17525 df-xps 17527 df-mre 17601 df-mrc 17602 df-acs 17604 df-mgm 18623 df-sgrp 18702 df-mnd 18718 df-submnd 18767 df-mulg 19056 df-cntz 19305 df-cmn 19769 df-psmet 21319 df-xmet 21320 df-met 21321 df-bl 21322 df-mopn 21323 df-fbas 21324 df-fg 21325 df-cnfld 21328 df-top 22849 df-topon 22866 df-topsp 22888 df-bases 22901 df-cld 22974 df-ntr 22975 df-cls 22976 df-nei 23053 df-cn 23182 df-cnp 23183 df-lm 23184 df-haus 23270 df-tx 23517 df-hmeo 23710 df-fil 23801 df-fm 23893 df-flim 23894 df-flf 23895 df-xms 24276 df-ms 24277 df-tms 24278 df-cfil 25226 df-cau 25227 df-cmet 25228 df-grpo 30441 df-gid 30442 df-ginv 30443 df-gdiv 30444 df-ablo 30493 df-vc 30507 df-nv 30540 df-va 30543 df-ba 30544 df-sm 30545 df-0v 30546 df-vs 30547 df-nmcv 30548 df-ims 30549 df-dip 30649 df-ssp 30670 df-ph 30761 df-cbn 30811 df-hnorm 30916 df-hba 30917 df-hvsub 30919 df-hlim 30920 df-hcau 30921 df-sh 31155 df-ch 31169 df-oc 31200 df-ch0 31201 df-shs 31256 df-chj 31258 df-pjh 31343 df-cm 31531 df-hosum 31678 df-h0op 31696 df-iop 31697

This theorem is referenced by: pjclem2 32144

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