Theorem nmopcoi 29878

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 29644	. . . . . 6 ⊢ (𝑆 ∈ BndLinOp → 𝑆 ∈ LinOp)
3	1, 2	ax-mp 5	. . . . 5 ⊢ 𝑆 ∈ LinOp
4		nmoptri.2	. . . . . 6 ⊢ 𝑇 ∈ BndLinOp
5		bdopln 29644	. . . . . 6 ⊢ (𝑇 ∈ BndLinOp → 𝑇 ∈ LinOp)
6	4, 5	ax-mp 5	. . . . 5 ⊢ 𝑇 ∈ LinOp
7	3, 6	lnopcoi 29786	. . . 4 ⊢ (𝑆 ∘ 𝑇) ∈ LinOp
8	7	lnopfi 29752	. . 3 ⊢ (𝑆 ∘ 𝑇): ℋ⟶ ℋ
9		nmopre 29653	. . . . . 6 ⊢ (𝑆 ∈ BndLinOp → (normop‘𝑆) ∈ ℝ)
10	1, 9	ax-mp 5	. . . . 5 ⊢ (normop‘𝑆) ∈ ℝ
11		nmopre 29653	. . . . . 6 ⊢ (𝑇 ∈ BndLinOp → (normop‘𝑇) ∈ ℝ)
12	4, 11	ax-mp 5	. . . . 5 ⊢ (normop‘𝑇) ∈ ℝ
13	10, 12	remulcli 10646	. . . 4 ⊢ ((normop‘𝑆) · (normop‘𝑇)) ∈ ℝ
14	13	rexri 10688	. . 3 ⊢ ((normop‘𝑆) · (normop‘𝑇)) ∈ ℝ*
15		nmopub 29691	. . 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 691	. 2 ⊢ ((normop‘(𝑆 ∘ 𝑇)) ≤ ((normop‘𝑆) · (normop‘𝑇)) ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇))))
17		0le0 11726	. . . . . . 7 ⊢ 0 ≤ 0
18	17	a1i 11	. . . . . 6 ⊢ (((normop‘𝑇) = 0 ∧ 𝑥 ∈ ℋ) → 0 ≤ 0)
19	3, 6	lnopco0i 29787	. . . . . . . 8 ⊢ ((normop‘𝑇) = 0 → (normop‘(𝑆 ∘ 𝑇)) = 0)
20	7	nmlnop0iHIL 29779	. . . . . . . 8 ⊢ ((normop‘(𝑆 ∘ 𝑇)) = 0 ↔ (𝑆 ∘ 𝑇) = 0hop )
21	19, 20	sylib 221	. . . . . . 7 ⊢ ((normop‘𝑇) = 0 → (𝑆 ∘ 𝑇) = 0hop )
22		fveq1 6644	. . . . . . . . 9 ⊢ ((𝑆 ∘ 𝑇) = 0hop → ((𝑆 ∘ 𝑇)‘𝑥) = ( 0hop ‘𝑥))
23	22	fveq2d 6649	. . . . . . . 8 ⊢ ((𝑆 ∘ 𝑇) = 0hop → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) = (normℎ‘( 0hop ‘𝑥)))
24		ho0val 29533	. . . . . . . . . 10 ⊢ (𝑥 ∈ ℋ → ( 0hop ‘𝑥) = 0ℎ)
25	24	fveq2d 6649	. . . . . . . . 9 ⊢ (𝑥 ∈ ℋ → (normℎ‘( 0hop ‘𝑥)) = (normℎ‘0ℎ))
26		norm0 28911	. . . . . . . . 9 ⊢ (normℎ‘0ℎ) = 0
27	25, 26	eqtrdi 2849	. . . . . . . 8 ⊢ (𝑥 ∈ ℋ → (normℎ‘( 0hop ‘𝑥)) = 0)
28	23, 27	sylan9eq 2853	. . . . . . 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 7143	. . . . . . . 8 ⊢ ((normop‘𝑇) = 0 → ((normop‘𝑆) · (normop‘𝑇)) = ((normop‘𝑆) · 0))
31	10	recni 10644	. . . . . . . . 9 ⊢ (normop‘𝑆) ∈ ℂ
32	31	mul01i 10819	. . . . . . . 8 ⊢ ((normop‘𝑆) · 0) = 0
33	30, 32	eqtrdi 2849	. . . . . . 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 716	. . . 4 ⊢ (((normop‘𝑇) = 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ≤ ((normop‘𝑆) · (normop‘𝑇)))
37		df-ne 2988	. . . . 5 ⊢ ((normop‘𝑇) ≠ 0 ↔ ¬ (normop‘𝑇) = 0)
38	8	ffvelrni 6827	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝑥) ∈ ℋ)
39		normcl 28908	. . . . . . . . . . . . . . 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 10658	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℋ → (normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) ∈ ℂ)
42	12	recni 10644	. . . . . . . . . . . . . 14 ⊢ (normop‘𝑇) ∈ ℂ
43		divrec2 11304	. . . . . . . . . . . . . 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 1446	. . . . . . . . . . . . 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 11393	. . . . . . . . . . . . . 14 ⊢ ((normop‘𝑇) ≠ 0 → (1 / (normop‘𝑇)) ∈ ℝ)
48		bdopf 29645	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑇 ∈ BndLinOp → 𝑇: ℋ⟶ ℋ)
49	4, 48	ax-mp 5	. . . . . . . . . . . . . . . . 17 ⊢ 𝑇: ℋ⟶ ℋ
50		nmopgt0 29695	. . . . . . . . . . . . . . . . 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 11534	. . . . . . . . . . . . . . . 16 ⊢ (0 < (normop‘𝑇) → 0 < (1 / (normop‘𝑇)))
53	51, 52	sylbi 220	. . . . . . . . . . . . . . 15 ⊢ ((normop‘𝑇) ≠ 0 → 0 < (1 / (normop‘𝑇)))
54		0re 10632	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℝ
55		ltle 10718	. . . . . . . . . . . . . . . 16 ⊢ ((0 ∈ ℝ ∧ (1 / (normop‘𝑇)) ∈ ℝ) → (0 < (1 / (normop‘𝑇)) → 0 ≤ (1 / (normop‘𝑇))))
56	54, 55	mpan 689	. . . . . . . . . . . . . . 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 14774	. . . . . . . . . . . . 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 7150	. . . . . . . . . . 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 2836	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘((𝑆 ∘ 𝑇)‘𝑥))))
62	42	recclzi 11354	. . . . . . . . . . 11 ⊢ ((normop‘𝑇) ≠ 0 → (1 / (normop‘𝑇)) ∈ ℂ)
63		norm-iii 28923	. . . . . . . . . . 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 598	. . . . . . . . . 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 2836	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = (normℎ‘((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥))))
66	49	ffvelrni 6827	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℋ → (𝑇‘𝑥) ∈ ℋ)
67	3	lnopmuli 29755	. . . . . . . . . . . 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 598	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((1 / (normop‘𝑇)) ·ℎ (𝑆‘(𝑇‘𝑥))))
69		bdopf 29645	. . . . . . . . . . . . . . 15 ⊢ (𝑆 ∈ BndLinOp → 𝑆: ℋ⟶ ℋ)
70	1, 69	ax-mp 5	. . . . . . . . . . . . . 14 ⊢ 𝑆: ℋ⟶ ℋ
71	70, 49	hocoi 29547	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℋ → ((𝑆 ∘ 𝑇)‘𝑥) = (𝑆‘(𝑇‘𝑥)))
72	71	oveq2d 7151	. . . . . . . . . . . 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 2836	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((1 / (normop‘𝑇)) ·ℎ ((𝑆 ∘ 𝑇)‘𝑥)))
75	74	fveq2d 6649	. . . . . . . . 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 2836	. . . . . . . 8 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘((𝑆 ∘ 𝑇)‘𝑥)) / (normop‘𝑇)) = (normℎ‘(𝑆‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)))))
77	76	adantrr 716	. . . . . . 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 28796	. . . . . . . . . 10 ⊢ (((1 / (normop‘𝑇)) ∈ ℂ ∧ (𝑇‘𝑥) ∈ ℋ) → ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ)
79	62, 66, 78	syl2an 598	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ)
80	79	adantrr 716	. . . . . . . 8 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → ((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥)) ∈ ℋ)
81		norm-iii 28923	. . . . . . . . . . . 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 598	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))))
83		normcl 28908	. . . . . . . . . . . . . . . 16 ⊢ ((𝑇‘𝑥) ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
84	66, 83	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
85	84	recnd 10658	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℂ)
86		divrec2 11304	. . . . . . . . . . . . . . 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 1446	. . . . . . . . . . . . . 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 7150	. . . . . . . . . . . 12 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))) = ((1 / (normop‘𝑇)) · (normℎ‘(𝑇‘𝑥))))
91	89, 90	eqtr4d 2836	. . . . . . . . . . 11 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)) = ((abs‘(1 / (normop‘𝑇))) · (normℎ‘(𝑇‘𝑥))))
92	82, 91	eqtr4d 2836	. . . . . . . . . 10 ⊢ (((normop‘𝑇) ≠ 0 ∧ 𝑥 ∈ ℋ) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)))
93	92	adantrr 716	. . . . . . . . 9 ⊢ (((normop‘𝑇) ≠ 0 ∧ (𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1)) → (normℎ‘((1 / (normop‘𝑇)) ·ℎ (𝑇‘𝑥))) = ((normℎ‘(𝑇‘𝑥)) / (normop‘𝑇)))
94		nmoplb 29690	. . . . . . . . . . . . 13 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘(𝑇‘𝑥)) ≤ (normop‘𝑇))
95	49, 94	mp3an1 1445	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℋ ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘(𝑇‘𝑥)) ≤ (normop‘𝑇))
96	42	mulid2i 10635	. . . . . . . . . . . 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 10631	. . . . . . . . . . . . 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 11508	. . . . . . . . . . . . 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 1371	. . . . . . . . . . . 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 716	. . . . . . . . . 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 29690	. . . . . . . . 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 1445	. . . . . . . 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 727	. . . . . . 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 11508	. . . . . . 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 1368	. . . . . 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 811	. . 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 3121	1 ⊢ (normop‘(𝑆 ∘ 𝑇)) ≤ ((normop‘𝑆) · (normop‘𝑇))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 399   = wceq 1538   ∈ wcel 2111   ≠ wne 2987  ∀wral 3106   class class class wbr 5030   ∘ ccom 5523  ⟶wf 6320  ‘cfv 6324  (class class class)co 7135  ℂcc 10524  ℝcr 10525  0cc0 10526  1c1 10527   · cmul 10531  ℝ^*cxr 10663   < clt 10664   ≤ cle 10665   / cdiv 11286  abscabs 14585   ℋchba 28702   ·_ℎ csm 28704  norm_ℎcno 28706  0_ℎc0v 28707   0_hop ch0o 28726  norm_opcnop 28728  LinOpclo 28730  BndLinOpcbo 28731

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-rep 5154  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441  ax-inf2 9088  ax-cc 9846  ax-cnex 10582  ax-resscn 10583  ax-1cn 10584  ax-icn 10585  ax-addcl 10586  ax-addrcl 10587  ax-mulcl 10588  ax-mulrcl 10589  ax-mulcom 10590  ax-addass 10591  ax-mulass 10592  ax-distr 10593  ax-i2m1 10594  ax-1ne0 10595  ax-1rid 10596  ax-rnegex 10597  ax-rrecex 10598  ax-cnre 10599  ax-pre-lttri 10600  ax-pre-lttrn 10601  ax-pre-ltadd 10602  ax-pre-mulgt0 10603  ax-pre-sup 10604  ax-addf 10605  ax-mulf 10606  ax-hilex 28782  ax-hfvadd 28783  ax-hvcom 28784  ax-hvass 28785  ax-hv0cl 28786  ax-hvaddid 28787  ax-hfvmul 28788  ax-hvmulid 28789  ax-hvmulass 28790  ax-hvdistr1 28791  ax-hvdistr2 28792  ax-hvmul0 28793  ax-hfi 28862  ax-his1 28865  ax-his2 28866  ax-his3 28867  ax-his4 28868  ax-hcompl 28985

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-nel 3092  df-ral 3111  df-rex 3112  df-reu 3113  df-rmo 3114  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-pss 3900  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-tp 4530  df-op 4532  df-uni 4801  df-int 4839  df-iun 4883  df-iin 4884  df-br 5031  df-opab 5093  df-mpt 5111  df-tr 5137  df-id 5425  df-eprel 5430  df-po 5438  df-so 5439  df-fr 5478  df-se 5479  df-we 5480  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-pred 6116  df-ord 6162  df-on 6163  df-lim 6164  df-suc 6165  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-f1 6329  df-fo 6330  df-f1o 6331  df-fv 6332  df-isom 6333  df-riota 7093  df-ov 7138  df-oprab 7139  df-mpo 7140  df-of 7389  df-om 7561  df-1st 7671  df-2nd 7672  df-supp 7814  df-wrecs 7930  df-recs 7991  df-rdg 8029  df-1o 8085  df-2o 8086  df-oadd 8089  df-omul 8090  df-er 8272  df-map 8391  df-pm 8392  df-ixp 8445  df-en 8493  df-dom 8494  df-sdom 8495  df-fin 8496  df-fsupp 8818  df-fi 8859  df-sup 8890  df-inf 8891  df-oi 8958  df-card 9352  df-acn 9355  df-pnf 10666  df-mnf 10667  df-xr 10668  df-ltxr 10669  df-le 10670  df-sub 10861  df-neg 10862  df-div 11287  df-nn 11626  df-2 11688  df-3 11689  df-4 11690  df-5 11691  df-6 11692  df-7 11693  df-8 11694  df-9 11695  df-n0 11886  df-z 11970  df-dec 12087  df-uz 12232  df-q 12337  df-rp 12378  df-xneg 12495  df-xadd 12496  df-xmul 12497  df-ioo 12730  df-ico 12732  df-icc 12733  df-fz 12886  df-fzo 13029  df-fl 13157  df-seq 13365  df-exp 13426  df-hash 13687  df-cj 14450  df-re 14451  df-im 14452  df-sqrt 14586  df-abs 14587  df-clim 14837  df-rlim 14838  df-sum 15035  df-struct 16477  df-ndx 16478  df-slot 16479  df-base 16481  df-sets 16482  df-ress 16483  df-plusg 16570  df-mulr 16571  df-starv 16572  df-sca 16573  df-vsca 16574  df-ip 16575  df-tset 16576  df-ple 16577  df-ds 16579  df-unif 16580  df-hom 16581  df-cco 16582  df-rest 16688  df-topn 16689  df-0g 16707  df-gsum 16708  df-topgen 16709  df-pt 16710  df-prds 16713  df-xrs 16767  df-qtop 16772  df-imas 16773  df-xps 16775  df-mre 16849  df-mrc 16850  df-acs 16852  df-mgm 17844  df-sgrp 17893  df-mnd 17904  df-submnd 17949  df-mulg 18217  df-cntz 18439  df-cmn 18900  df-psmet 20083  df-xmet 20084  df-met 20085  df-bl 20086  df-mopn 20087  df-fbas 20088  df-fg 20089  df-cnfld 20092  df-top 21499  df-topon 21516  df-topsp 21538  df-bases 21551  df-cld 21624  df-ntr 21625  df-cls 21626  df-nei 21703  df-cn 21832  df-cnp 21833  df-lm 21834  df-haus 21920  df-tx 22167  df-hmeo 22360  df-fil 22451  df-fm 22543  df-flim 22544  df-flf 22545  df-xms 22927  df-ms 22928  df-tms 22929  df-cfil 23859  df-cau 23860  df-cmet 23861  df-grpo 28276  df-gid 28277  df-ginv 28278  df-gdiv 28279  df-ablo 28328  df-vc 28342  df-nv 28375  df-va 28378  df-ba 28379  df-sm 28380  df-0v 28381  df-vs 28382  df-nmcv 28383  df-ims 28384  df-dip 28484  df-ssp 28505  df-lno 28527  df-nmoo 28528  df-0o 28530  df-ph 28596  df-cbn 28646  df-hnorm 28751  df-hba 28752  df-hvsub 28754  df-hlim 28755  df-hcau 28756  df-sh 28990  df-ch 29004  df-oc 29035  df-ch0 29036  df-shs 29091  df-pjh 29178  df-h0op 29531  df-nmop 29622  df-lnop 29624  df-bdop 29625  df-hmop 29627

This theorem is referenced by:  bdopcoi  29881  unierri  29887