Theorem nmopcoi 30030

Description: Upper bound for the norm of the composition of two bounded linear operators. (Contributed by NM, 10-Mar-2006.) (New usage is discouraged.)

Hypotheses

Ref	Expression
nmoptri.1	⊢ 𝑆 ∈ BndLinOp
nmoptri.2	⊢ 𝑇 ∈ BndLinOp

Assertion

Ref	Expression
nmopcoi	⊢ (normop‘(𝑆 ∘ 𝑇)) ≤ ((normop‘𝑆) · (normop‘𝑇))

Proof of Theorem nmopcoi

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		nmoptri.1	. . . . . 6 ⊢ 𝑆 ∈ BndLinOp
2		bdopln 29796	. . . . . 6 ⊢ (𝑆 ∈ BndLinOp → 𝑆 ∈ LinOp)
3	1, 2	ax-mp 5	. . . . 5 ⊢ 𝑆 ∈ LinOp
4		nmoptri.2	. . . . . 6 ⊢ 𝑇 ∈ BndLinOp
5		bdopln 29796	. . . . . 6 ⊢ (𝑇 ∈ BndLinOp → 𝑇 ∈ LinOp)
6	4, 5	ax-mp 5	. . . . 5 ⊢ 𝑇 ∈ LinOp
7	3, 6	lnopcoi 29938	. . . 4 ⊢ (𝑆 ∘ 𝑇) ∈ LinOp
8	7	lnopfi 29904	. . 3 ⊢ (𝑆 ∘ 𝑇): ℋ⟶ ℋ
9		nmopre 29805	. . . . . 6 ⊢ (𝑆 ∈ BndLinOp → (normop‘𝑆) ∈ ℝ)
10	1, 9	ax-mp 5	. . . . 5 ⊢ (normop‘𝑆) ∈ ℝ
11		nmopre 29805	. . . . . 6 ⊢ (𝑇 ∈ BndLinOp → (normop‘𝑇) ∈ ℝ)
12	4, 11	ax-mp 5	. . . . 5 ⊢ (normop‘𝑇) ∈ ℝ
13	10, 12	remulcli 10735	. . . 4 ⊢ ((normop‘𝑆) · (normop‘𝑇)) ∈ ℝ
14	13	rexri 10777	. . 3 ⊢ ((normop‘𝑆) · (normop‘𝑇)) ∈ ℝ*
15		nmopub 29843	. . 3 ⊢ (((𝑆 ∘ 𝑇): ℋ⟶ ℋ ∧ ((normop‘𝑆) · (normop‘𝑇)) ∈ ℝ*) → ((normop‘(𝑆 ∘ 𝑇)) ≤ ((normop‘𝑆) · (normop‘𝑇)) ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))))
16	8, 14, 15	mp2an 692	. 2 ⊢ ((normop‘(𝑆 ∘ 𝑇)) ≤ ((normop‘𝑆) · (normop‘𝑇)) ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇))))
17		0le0 11817	. . . . . . 7 ⊢ 0 ≤ 0
18	17	a1i 11	. . . . . 6 ⊢ (((normop‘𝑇) = 0 ∧ 𝑥 ∈ ℋ) → 0 ≤ 0)
19	3, 6	lnopco0i 29939	. . . . . . . 8 ⊢ ((normop‘𝑇) = 0 → (normop‘(𝑆 ∘ 𝑇)) = 0)
20	7	nmlnop0iHIL 29931	. . . . . . . 8 ⊢ ((normop‘(𝑆 ∘ 𝑇)) = 0 ↔ (𝑆 ∘ 𝑇) = 0hop )
21	19, 20	sylib 221	. . . . . . 7 ⊢ ((normop‘𝑇) = 0 → (𝑆 ∘ 𝑇) = 0hop )
22		fveq1 6673	. . . . . . . . 9 ⊢ ((𝑆 ∘ 𝑇) = 0hop → ((𝑆 ∘ 𝑇)‘𝑥) = ( 0hop ‘𝑥))
23	22	fveq2d 6678	. . . . . . . 8 ⊢ ((𝑆 ∘ 𝑇) = 0hop → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) = (normℎ‘( 0hop ‘𝑥)))
24		ho0val 29685	. . . . . . . . . 10 ⊢ (𝑥 ∈ ℋ → ( 0hop ‘𝑥) = 0ℎ)
25	24	fveq2d 6678	. . . . . . . . 9 ⊢ (𝑥 ∈ ℋ → (normℎ‘( 0hop ‘𝑥)) = (normℎ‘0ℎ))
26		norm0 29063	. . . . . . . . 9 ⊢ (normℎ‘0ℎ) = 0
27	25, 26	eqtrdi 2789	. . . . . . . 8 ⊢ (𝑥 ∈ ℋ → (normℎ‘( 0hop ‘𝑥)) = 0)
28	23, 27	sylan9eq 2793	. . . . . . 7 ⊢ (((𝑆 ∘ 𝑇) = 0hop ∧ 𝑥 ∈ ℋ) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) = 0)
29	21, 28	sylan 583	. . . . . 6 ⊢ (((normop‘𝑇) = 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) = 0)
30		oveq2 7178	. . . . . . . 8 ⊢ ((normop‘𝑇) = 0 → ((normop‘𝑆) · (normop‘𝑇)) = ((normop‘𝑆) · 0))
31	10	recni 10733	. . . . . . . . 9 ⊢ (normop‘𝑆) ∈ ℂ
32	31	mul01i 10908	. . . . . . . 8 ⊢ ((normop‘𝑆) · 0) = 0
33	30, 32	eqtrdi 2789	. . . . . . 7 ⊢ ((normop‘𝑇) = 0 → ((normop‘𝑆) · (normop‘𝑇)) = 0)
34	33	adantr 484	. . . . . 6 ⊢ (((normop‘𝑇) = 0 ∧ 𝑥 ∈ ℋ) → ((normop‘𝑆) · (normop‘𝑇)) = 0)
35	18, 29, 34	3brtr4d 5062	. . . . 5 ⊢ (((normop‘𝑇) = 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))
36	35	adantrr 717	. . . 4 ⊢ (((normop‘𝑇) = 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))
37		df-ne 2935	. . . . 5 ⊢ ((normop‘𝑇) ≠ 0 ↔ ¬ (normop‘𝑇) = 0)
38	8	ffvelrni 6860	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝑥) ∈ ℋ)
39		normcl 29060	. . . . . . . . . . . . . . 15 ⊢ (((𝑆 ∘ 𝑇)‘𝑥) ∈ ℋ → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℝ)
40	38, 39	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ℋ → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℝ)
41	40	recnd 10747	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℋ → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℂ)
42	12	recni 10733	. . . . . . . . . . . . . 14 ⊢ (normop‘𝑇) ∈ ℂ
43		divrec2 11393	. . . . . . . . . . . . . 14 ⊢ (((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℂ ∧ (normop‘𝑇) ∈ ℂ ∧ (normop‘𝑇) ≠ 0) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
44	42, 43	mp3an2 1450	. . . . . . . . . . . . 13 ⊢ (((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℂ ∧ (normop‘𝑇) ≠ 0) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
45	41, 44	sylan 583	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
46	45	ancoms 462	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
47	12	rerecclzi 11482	. . . . . . . . . . . . . 14 ⊢ ((normop‘𝑇) ≠ 0 → (1 / (normop‘𝑇)) ∈ ℝ)
48		bdopf 29797	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑇 ∈ BndLinOp → 𝑇: ℋ⟶ ℋ)
49	4, 48	ax-mp 5	. . . . . . . . . . . . . . . . 17 ⊢ 𝑇: ℋ⟶ ℋ
50		nmopgt0 29847	. . . . . . . . . . . . . . . . 17 ⊢ (𝑇: ℋ⟶ ℋ → ((normop‘𝑇) ≠ 0 ↔ 0 < (normop‘𝑇)))
51	49, 50	ax-mp 5	. . . . . . . . . . . . . . . 16 ⊢ ((normop‘𝑇) ≠ 0 ↔ 0 < (normop‘𝑇))
52	12	recgt0i 11623	. . . . . . . . . . . . . . . 16 ⊢ (0 < (normop‘𝑇) → 0 < (1 / (normop‘𝑇)))
53	51, 52	sylbi 220	. . . . . . . . . . . . . . 15 ⊢ ((normop‘𝑇) ≠ 0 → 0 < (1 / (normop‘𝑇)))
54		0re 10721	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℝ
55		ltle 10807	. . . . . . . . . . . . . . . 16 ⊢ ((0 ∈ ℝ ∧ (1 / (normop‘𝑇)) ∈ ℝ) → (0 < (1 / (normop‘𝑇)) → 0 ≤ (1 / (normop‘𝑇))))
56	54, 55	mpan 690	. . . . . . . . . . . . . . 15 ⊢ ((1 / (normop‘𝑇)) ∈ ℝ → (0 < (1 / (normop‘𝑇)) → 0 ≤ (1 / (normop‘𝑇))))
57	47, 53, 56	sylc 65	. . . . . . . . . . . . . 14 ⊢ ((normop‘𝑇) ≠ 0 → 0 ≤ (1 / (normop‘𝑇)))
58	47, 57	absidd 14872	. . . . . . . . . . . . 13 ⊢ ((normop‘𝑇) ≠ 0 → (abs‘(1 / (normop‘𝑇))) = (1 / (normop‘𝑇)))
59	58	adantr 484	. . . . . . . . . . . 12 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (abs‘(1 / (normop‘𝑇))) = (1 / (normop‘𝑇)))
60	59	oveq1d 7185	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((abs‘(1 / (normop‘𝑇))) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))) = ((1 / (normop‘𝑇)) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
61	46, 60	eqtr4d 2776	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
62	42	recclzi 11443	. . . . . . . . . . 11 ⊢ ((normop‘𝑇) ≠ 0 → (1 / (normop‘𝑇)) ∈ ℂ)
63		norm-iii 29075	. . . . . . . . . . 11 ⊢ (((1 / (normop‘𝑇)) ∈ ℂ ∧ ((𝑆 ∘ 𝑇)‘𝑥) ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥))) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
64	62, 38, 63	syl2an 599	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥))) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
65	61, 64	eqtr4d 2776	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = (normℎ‘((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥))))
66	49	ffvelrni 6860	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℋ → (𝑇‘𝑥) ∈ ℋ)
67	3	lnopmuli 29907	. . . . . . . . . . . 12 ⊢ (((1 / (normop‘𝑇)) ∈ ℂ ∧ (𝑇‘𝑥) ∈ ℋ) → (𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((1 / (normop‘𝑇)) ·ℎ (𝑆‘(𝑇‘𝑥))))
68	62, 66, 67	syl2an 599	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((1 / (normop‘𝑇)) ·ℎ (𝑆‘(𝑇‘𝑥))))
69		bdopf 29797	. . . . . . . . . . . . . . 15 ⊢ (𝑆 ∈ BndLinOp → 𝑆: ℋ⟶ ℋ)
70	1, 69	ax-mp 5	. . . . . . . . . . . . . 14 ⊢ 𝑆: ℋ⟶ ℋ
71	70, 49	hocoi 29699	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝑥) = (𝑆‘(𝑇‘𝑥)))
72	71	oveq2d 7186	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℋ → ((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥)) = ((1 / (normop‘𝑇)) ·ℎ (𝑆‘(𝑇‘𝑥))))
73	72	adantl 485	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥)) = ((1 / (normop‘𝑇)) ·ℎ (𝑆‘(𝑇‘𝑥))))
74	68, 73	eqtr4d 2776	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥)))
75	74	fveq2d 6678	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))) = (normℎ‘((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥))))
76	65, 75	eqtr4d 2776	. . . . . . . 8 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))))
77	76	adantrr 717	. . . . . . 7 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))))
78		hvmulcl 28948	. . . . . . . . . 10 ⊢ (((1 / (normop‘𝑇)) ∈ ℂ ∧ (𝑇‘𝑥) ∈ ℋ) → ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ)
79	62, 66, 78	syl2an 599	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ)
80	79	adantrr 717	. . . . . . . 8 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ)
81		norm-iii 29075	. . . . . . . . . . . 12 ⊢ (((1 / (normop‘𝑇)) ∈ ℂ ∧ (𝑇‘𝑥) ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))))
82	62, 66, 81	syl2an 599	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))))
83		normcl 29060	. . . . . . . . . . . . . . . 16 ⊢ ((𝑇‘𝑥) ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
84	66, 83	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
85	84	recnd 10747	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℂ)
86		divrec2 11393	. . . . . . . . . . . . . . 15 ⊢ (((normℎ‘(𝑇‘𝑥)) ∈ ℂ ∧ (normop‘𝑇) ∈ ℂ ∧ (normop‘𝑇) ≠ 0) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘(𝑇‘𝑥))))
87	42, 86	mp3an2 1450	. . . . . . . . . . . . . 14 ⊢ (((normℎ‘(𝑇‘𝑥)) ∈ ℂ ∧ (normop‘𝑇) ≠ 0) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘(𝑇‘𝑥))))
88	85, 87	sylan 583	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘(𝑇‘𝑥))))
89	88	ancoms 462	. . . . . . . . . . . 12 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) = ((1 / (normop‘𝑇)) · (normℎ‘(𝑇‘𝑥))))
90	59	oveq1d 7185	. . . . . . . . . . . 12 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))) = ((1 / (normop‘𝑇)) · (normℎ‘(𝑇‘𝑥))))
91	89, 90	eqtr4d 2776	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))))
92	82, 91	eqtr4d 2776	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)))
93	92	adantrr 717	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)))
94		nmoplb 29842	. . . . . . . . . . . . 13 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘(𝑇‘𝑥)) ≤ (normop‘𝑇))
95	49, 94	mp3an1 1449	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘(𝑇‘𝑥)) ≤ (normop‘𝑇))
96	42	mulid2i 10724	. . . . . . . . . . . 12 ⊢ (1 · (normop‘𝑇)) = (normop‘𝑇)
97	95, 96	breqtrrdi 5072	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘(𝑇‘𝑥)) ≤ (1 · (normop‘𝑇)))
98	97	adantl 485	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘(𝑇‘𝑥)) ≤ (1 · (normop‘𝑇)))
99	84	adantr 484	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
100		1red 10720	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → 1 ∈ ℝ)
101	12	a1i 11	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → (normop‘𝑇) ∈ ℝ)
102	51	biimpi 219	. . . . . . . . . . . . . 14 ⊢ ((normop‘𝑇) ≠ 0 → 0 < (normop‘𝑇))
103	102	adantl 485	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → 0 < (normop‘𝑇))
104		ledivmul2 11597	. . . . . . . . . . . . 13 ⊢ (((normℎ‘(𝑇‘𝑥)) ∈ ℝ ∧ 1 ∈ ℝ ∧ ((normop‘𝑇) ∈ ℝ ∧ 0 < (normop‘𝑇))) → (((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) ≤ 1 ↔ (normℎ‘(𝑇‘𝑥)) ≤ (1 · (normop‘𝑇))))
105	99, 100, 101, 103, 104	syl112anc 1375	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℋ ∧ (normop‘𝑇) ≠ 0) → (((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) ≤ 1 ↔ (normℎ‘(𝑇‘𝑥)) ≤ (1 · (normop‘𝑇))))
106	105	ancoms 462	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) ≤ 1 ↔ (normℎ‘(𝑇‘𝑥)) ≤ (1 · (normop‘𝑇))))
107	106	adantrr 717	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) ≤ 1 ↔ (normℎ‘(𝑇‘𝑥)) ≤ (1 · (normop‘𝑇))))
108	98, 107	mpbird 260	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) ≤ 1)
109	93, 108	eqbrtrd 5052	. . . . . . . 8 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) ≤ 1)
110		nmoplb 29842	. . . . . . . . 9 ⊢ ((𝑆: ℋ⟶ ℋ ∧ ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ ∧ (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) ≤ 1) → (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))) ≤ (normop‘𝑆))
111	70, 110	mp3an1 1449	. . . . . . . 8 ⊢ ((((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ ∧ (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) ≤ 1) → (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))) ≤ (normop‘𝑆))
112	80, 109, 111	syl2anc 587	. . . . . . 7 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))) ≤ (normop‘𝑆))
113	77, 112	eqbrtrd 5052	. . . . . 6 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) ≤ (normop‘𝑆))
114	40	ad2antrl 728	. . . . . . 7 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℝ)
115	10	a1i 11	. . . . . . 7 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normop‘𝑆) ∈ ℝ)
116	102	adantr 484	. . . . . . . 8 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → 0 < (normop‘𝑇))
117	116, 12	jctil 523	. . . . . . 7 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → ((normop‘𝑇) ∈ ℝ ∧ 0 < (normop‘𝑇)))
118		ledivmul2 11597	. . . . . . 7 ⊢ (((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℝ ∧ (normop‘𝑆) ∈ ℝ ∧ ((normop‘𝑇) ∈ ℝ ∧ 0 < (normop‘𝑇))) → (((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) ≤ (normop‘𝑆) ↔ (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇))))
119	114, 115, 117, 118	syl3anc 1372	. . . . . 6 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) ≤ (normop‘𝑆) ↔ (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇))))
120	113, 119	mpbid 235	. . . . 5 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))
121	37, 120	sylanbr 585	. . . 4 ⊢ ((¬ (normop‘𝑇) = 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))
122	36, 121	pm2.61ian 812	. . 3 ⊢ ((𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))
123	122	ex 416	. 2 ⊢ (𝑥 ∈ ℋ → ((normℎ‘𝑥) ≤ 1 → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇))))
124	16, 123	mprgbir 3068	1 ⊢ (normop‘(𝑆 ∘ 𝑇)) ≤ ((normop‘𝑆) · (normop‘𝑇))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 399   = wceq 1542   ∈ wcel 2114   ≠ wne 2934  ∀wral 3053   class class class wbr 5030   ∘ ccom 5529  ⟶wf 6335  ‘cfv 6339  (class class class)co 7170  ℂcc 10613  ℝcr 10614  0cc0 10615  1c1 10616   · cmul 10620  ℝ^*cxr 10752   < clt 10753   ≤ cle 10754   / cdiv 11375  abscabs 14683   ℋchba 28854   ·_ℎ csm 28856  norm_ℎcno 28858  0_ℎc0v 28859   0_hop ch0o 28878  norm_opcnop 28880  LinOpclo 28882  BndLinOpcbo 28883

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 2710  ax-rep 5154  ax-sep 5167  ax-nul 5174  ax-pow 5232  ax-pr 5296  ax-un 7479  ax-inf2 9177  ax-cc 9935  ax-cnex 10671  ax-resscn 10672  ax-1cn 10673  ax-icn 10674  ax-addcl 10675  ax-addrcl 10676  ax-mulcl 10677  ax-mulrcl 10678  ax-mulcom 10679  ax-addass 10680  ax-mulass 10681  ax-distr 10682  ax-i2m1 10683  ax-1ne0 10684  ax-1rid 10685  ax-rnegex 10686  ax-rrecex 10687  ax-cnre 10688  ax-pre-lttri 10689  ax-pre-lttrn 10690  ax-pre-ltadd 10691  ax-pre-mulgt0 10692  ax-pre-sup 10693  ax-addf 10694  ax-mulf 10695  ax-hilex 28934  ax-hfvadd 28935  ax-hvcom 28936  ax-hvass 28937  ax-hv0cl 28938  ax-hvaddid 28939  ax-hfvmul 28940  ax-hvmulid 28941  ax-hvmulass 28942  ax-hvdistr1 28943  ax-hvdistr2 28944  ax-hvmul0 28945  ax-hfi 29014  ax-his1 29017  ax-his2 29018  ax-his3 29019  ax-his4 29020  ax-hcompl 29137

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 2540  df-eu 2570  df-clab 2717  df-cleq 2730  df-clel 2811  df-nfc 2881  df-ne 2935  df-nel 3039  df-ral 3058  df-rex 3059  df-reu 3060  df-rmo 3061  df-rab 3062  df-v 3400  df-sbc 3681  df-csb 3791  df-dif 3846  df-un 3848  df-in 3850  df-ss 3860  df-pss 3862  df-nul 4212  df-if 4415  df-pw 4490  df-sn 4517  df-pr 4519  df-tp 4521  df-op 4523  df-uni 4797  df-int 4837  df-iun 4883  df-iin 4884  df-br 5031  df-opab 5093  df-mpt 5111  df-tr 5137  df-id 5429  df-eprel 5434  df-po 5442  df-so 5443  df-fr 5483  df-se 5484  df-we 5485  df-xp 5531  df-rel 5532  df-cnv 5533  df-co 5534  df-dm 5535  df-rn 5536  df-res 5537  df-ima 5538  df-pred 6129  df-ord 6175  df-on 6176  df-lim 6177  df-suc 6178  df-iota 6297  df-fun 6341  df-fn 6342  df-f 6343  df-f1 6344  df-fo 6345  df-f1o 6346  df-fv 6347  df-isom 6348  df-riota 7127  df-ov 7173  df-oprab 7174  df-mpo 7175  df-of 7425  df-om 7600  df-1st 7714  df-2nd 7715  df-supp 7857  df-wrecs 7976  df-recs 8037  df-rdg 8075  df-1o 8131  df-2o 8132  df-oadd 8135  df-omul 8136  df-er 8320  df-map 8439  df-pm 8440  df-ixp 8508  df-en 8556  df-dom 8557  df-sdom 8558  df-fin 8559  df-fsupp 8907  df-fi 8948  df-sup 8979  df-inf 8980  df-oi 9047  df-card 9441  df-acn 9444  df-pnf 10755  df-mnf 10756  df-xr 10757  df-ltxr 10758  df-le 10759  df-sub 10950  df-neg 10951  df-div 11376  df-nn 11717  df-2 11779  df-3 11780  df-4 11781  df-5 11782  df-6 11783  df-7 11784  df-8 11785  df-9 11786  df-n0 11977  df-z 12063  df-dec 12180  df-uz 12325  df-q 12431  df-rp 12473  df-xneg 12590  df-xadd 12591  df-xmul 12592  df-ioo 12825  df-ico 12827  df-icc 12828  df-fz 12982  df-fzo 13125  df-fl 13253  df-seq 13461  df-exp 13522  df-hash 13783  df-cj 14548  df-re 14549  df-im 14550  df-sqrt 14684  df-abs 14685  df-clim 14935  df-rlim 14936  df-sum 15136  df-struct 16588  df-ndx 16589  df-slot 16590  df-base 16592  df-sets 16593  df-ress 16594  df-plusg 16681  df-mulr 16682  df-starv 16683  df-sca 16684  df-vsca 16685  df-ip 16686  df-tset 16687  df-ple 16688  df-ds 16690  df-unif 16691  df-hom 16692  df-cco 16693  df-rest 16799  df-topn 16800  df-0g 16818  df-gsum 16819  df-topgen 16820  df-pt 16821  df-prds 16824  df-xrs 16878  df-qtop 16883  df-imas 16884  df-xps 16886  df-mre 16960  df-mrc 16961  df-acs 16963  df-mgm 17968  df-sgrp 18017  df-mnd 18028  df-submnd 18073  df-mulg 18343  df-cntz 18565  df-cmn 19026  df-psmet 20209  df-xmet 20210  df-met 20211  df-bl 20212  df-mopn 20213  df-fbas 20214  df-fg 20215  df-cnfld 20218  df-top 21645  df-topon 21662  df-topsp 21684  df-bases 21697  df-cld 21770  df-ntr 21771  df-cls 21772  df-nei 21849  df-cn 21978  df-cnp 21979  df-lm 21980  df-haus 22066  df-tx 22313  df-hmeo 22506  df-fil 22597  df-fm 22689  df-flim 22690  df-flf 22691  df-xms 23073  df-ms 23074  df-tms 23075  df-cfil 24007  df-cau 24008  df-cmet 24009  df-grpo 28428  df-gid 28429  df-ginv 28430  df-gdiv 28431  df-ablo 28480  df-vc 28494  df-nv 28527  df-va 28530  df-ba 28531  df-sm 28532  df-0v 28533  df-vs 28534  df-nmcv 28535  df-ims 28536  df-dip 28636  df-ssp 28657  df-lno 28679  df-nmoo 28680  df-0o 28682  df-ph 28748  df-cbn 28798  df-hnorm 28903  df-hba 28904  df-hvsub 28906  df-hlim 28907  df-hcau 28908  df-sh 29142  df-ch 29156  df-oc 29187  df-ch0 29188  df-shs 29243  df-pjh 29330  df-h0op 29683  df-nmop 29774  df-lnop 29776  df-bdop 29777  df-hmop 29779

This theorem is referenced by:  bdopcoi  30033  unierri  30039