Theorem nmopub2tALT 29686

Description: An upper bound for an operator norm. (Contributed by NM, 12-Apr-2006.) (New usage is discouraged.) (Proof modification is discouraged.)

Assertion

Ref	Expression
nmopub2tALT	⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)

Distinct variable groups:   𝑥,𝐴   𝑥,𝑇

Proof of Theorem nmopub2tALT

Step	Hyp	Ref	Expression
1		normcl 28902	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ℋ → (normℎ‘𝑥) ∈ ℝ)
2	1	ad2antlr 725	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘𝑥) ∈ ℝ)
3		simpllr 774	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴))
4		simpr 487	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘𝑥) ≤ 1)
5		1re 10641	. . . . . . . . . . 11 ⊢ 1 ∈ ℝ
6		lemul2a 11495	. . . . . . . . . . 11 ⊢ ((((normℎ‘𝑥) ∈ ℝ ∧ 1 ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
7	5, 6	mp3anl2 1452	. . . . . . . . . 10 ⊢ ((((normℎ‘𝑥) ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
8	2, 3, 4, 7	syl21anc 835	. . . . . . . . 9 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
9		ax-1rid 10607	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℝ → (𝐴 · 1) = 𝐴)
10	9	ad2antrl 726	. . . . . . . . . 10 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → (𝐴 · 1) = 𝐴)
11	10	ad2antrr 724	. . . . . . . . 9 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · 1) = 𝐴)
12	8, 11	breqtrd 5092	. . . . . . . 8 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ 𝐴)
13		ffvelrn 6849	. . . . . . . . . . . 12 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ)
14		normcl 28902	. . . . . . . . . . . 12 ⊢ ((𝑇‘𝑥) ∈ ℋ → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
15	13, 14	syl 17	. . . . . . . . . . 11 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
16	15	adantlr 713	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
17		remulcl 10622	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℝ ∧ (normℎ‘𝑥) ∈ ℝ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
18	1, 17	sylan2 594	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℝ ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
19	18	adantlr 713	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
20	19	adantll 712	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
21		simplrl 775	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → 𝐴 ∈ ℝ)
22		letr 10734	. . . . . . . . . 10 ⊢ (((normℎ‘(𝑇‘𝑥)) ∈ ℝ ∧ (𝐴 · (normℎ‘𝑥)) ∈ ℝ ∧ 𝐴 ∈ ℝ) → (((normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) ∧ (𝐴 · (normℎ‘𝑥)) ≤ 𝐴) → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴))
23	16, 20, 21, 22	syl3anc 1367	. . . . . . . . 9 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (((normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) ∧ (𝐴 · (normℎ‘𝑥)) ≤ 𝐴) → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴))
24	23	adantr 483	. . . . . . . 8 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (((normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) ∧ (𝐴 · (normℎ‘𝑥)) ≤ 𝐴) → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴))
25	12, 24	mpan2d 692	. . . . . . 7 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → ((normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴))
26	25	ex 415	. . . . . 6 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → ((normℎ‘𝑥) ≤ 1 → ((normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
27	26	com23 86	. . . . 5 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → ((normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) → ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
28	27	ralimdva 3177	. . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → (∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥)) → ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
29	28	imp 409	. . 3 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴))
30		rexr 10687	. . . . . 6 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*)
31	30	adantr 483	. . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) → 𝐴 ∈ ℝ*)
32		nmopub 29685	. . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝐴 ∈ ℝ*) → ((normop‘𝑇) ≤ 𝐴 ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
33	31, 32	sylan2 594	. . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → ((normop‘𝑇) ≤ 𝐴 ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
34	33	biimpar 480	. . 3 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)) → (normop‘𝑇) ≤ 𝐴)
35	29, 34	syldan 593	. 2 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)
36	35	3impa 1106	1 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)

Syntax hints:   → wi 4   ↔ wb 208   ∧ wa 398   ∧ w3a 1083   = wceq 1537   ∈ wcel 2114  ∀wral 3138   class class class wbr 5066  ⟶wf 6351  ‘cfv 6355  (class class class)co 7156  ℝcr 10536  0cc0 10537  1c1 10538   · cmul 10542  ℝ^*cxr 10674   ≤ cle 10676   ℋchba 28696  norm_ℎcno 28700  norm_opcnop 28722

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-sep 5203  ax-nul 5210  ax-pow 5266  ax-pr 5330  ax-un 7461  ax-cnex 10593  ax-resscn 10594  ax-1cn 10595  ax-icn 10596  ax-addcl 10597  ax-addrcl 10598  ax-mulcl 10599  ax-mulrcl 10600  ax-mulcom 10601  ax-addass 10602  ax-mulass 10603  ax-distr 10604  ax-i2m1 10605  ax-1ne0 10606  ax-1rid 10607  ax-rnegex 10608  ax-rrecex 10609  ax-cnre 10610  ax-pre-lttri 10611  ax-pre-lttrn 10612  ax-pre-ltadd 10613  ax-pre-mulgt0 10614  ax-pre-sup 10615  ax-hilex 28776  ax-hv0cl 28780  ax-hvmul0 28787  ax-hfi 28856  ax-his1 28859  ax-his3 28861  ax-his4 28862

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-nel 3124  df-ral 3143  df-rex 3144  df-reu 3145  df-rmo 3146  df-rab 3147  df-v 3496  df-sbc 3773  df-csb 3884  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-pss 3954  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4568  df-pr 4570  df-tp 4572  df-op 4574  df-uni 4839  df-iun 4921  df-br 5067  df-opab 5129  df-mpt 5147  df-tr 5173  df-id 5460  df-eprel 5465  df-po 5474  df-so 5475  df-fr 5514  df-we 5516  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-rn 5566  df-res 5567  df-ima 5568  df-pred 6148  df-ord 6194  df-on 6195  df-lim 6196  df-suc 6197  df-iota 6314  df-fun 6357  df-fn 6358  df-f 6359  df-f1 6360  df-fo 6361  df-f1o 6362  df-fv 6363  df-riota 7114  df-ov 7159  df-oprab 7160  df-mpo 7161  df-om 7581  df-2nd 7690  df-wrecs 7947  df-recs 8008  df-rdg 8046  df-er 8289  df-map 8408  df-en 8510  df-dom 8511  df-sdom 8512  df-sup 8906  df-pnf 10677  df-mnf 10678  df-xr 10679  df-ltxr 10680  df-le 10681  df-sub 10872  df-neg 10873  df-div 11298  df-nn 11639  df-2 11701  df-3 11702  df-n0 11899  df-z 11983  df-uz 12245  df-rp 12391  df-seq 13371  df-exp 13431  df-cj 14458  df-re 14459  df-im 14460  df-sqrt 14594  df-hnorm 28745  df-nmop 29616

This theorem is referenced by: (None)