Theorem nmopub2tALT 30172

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 29388	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ℋ → (normℎ‘𝑥) ∈ ℝ)
2	1	ad2antlr 723	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘𝑥) ∈ ℝ)
3		simpllr 772	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴))
4		simpr 484	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘𝑥) ≤ 1)
5		1re 10906	. . . . . . . . . . 11 ⊢ 1 ∈ ℝ
6		lemul2a 11760	. . . . . . . . . . 11 ⊢ ((((normℎ‘𝑥) ∈ ℝ ∧ 1 ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
7	5, 6	mp3anl2 1454	. . . . . . . . . 10 ⊢ ((((normℎ‘𝑥) ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
8	2, 3, 4, 7	syl21anc 834	. . . . . . . . 9 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
9		ax-1rid 10872	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℝ → (𝐴 · 1) = 𝐴)
10	9	ad2antrl 724	. . . . . . . . . 10 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → (𝐴 · 1) = 𝐴)
11	10	ad2antrr 722	. . . . . . . . 9 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · 1) = 𝐴)
12	8, 11	breqtrd 5096	. . . . . . . 8 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ 𝐴)
13		ffvelrn 6941	. . . . . . . . . . . 12 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ)
14		normcl 29388	. . . . . . . . . . . 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 711	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
17		remulcl 10887	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℝ ∧ (normℎ‘𝑥) ∈ ℝ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
18	1, 17	sylan2 592	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℝ ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
19	18	adantlr 711	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
20	19	adantll 710	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
21		simplrl 773	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → 𝐴 ∈ ℝ)
22		letr 10999	. . . . . . . . . 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 1369	. . . . . . . . 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 480	. . . . . . . 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 690	. . . . . . 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 412	. . . . . 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 3102	. . . 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 406	. . 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 10952	. . . . . 6 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*)
31	30	adantr 480	. . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) → 𝐴 ∈ ℝ*)
32		nmopub 30171	. . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝐴 ∈ ℝ*) → ((normop‘𝑇) ≤ 𝐴 ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
33	31, 32	sylan2 592	. . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → ((normop‘𝑇) ≤ 𝐴 ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
34	33	biimpar 477	. . 3 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)) → (normop‘𝑇) ≤ 𝐴)
35	29, 34	syldan 590	. 2 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)
36	35	3impa 1108	1 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 395   ∧ w3a 1085   = wceq 1539   ∈ wcel 2108  ∀wral 3063   class class class wbr 5070  ⟶wf 6414  ‘cfv 6418  (class class class)co 7255  ℝcr 10801  0cc0 10802  1c1 10803   · cmul 10807  ℝ^*cxr 10939   ≤ cle 10941   ℋchba 29182  norm_ℎcno 29186  norm_opcnop 29208

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879  ax-pre-sup 10880  ax-hilex 29262  ax-hv0cl 29266  ax-hvmul0 29273  ax-hfi 29342  ax-his1 29345  ax-his3 29347  ax-his4 29348

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rmo 3071  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-om 7688  df-2nd 7805  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-er 8456  df-map 8575  df-en 8692  df-dom 8693  df-sdom 8694  df-sup 9131  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-div 11563  df-nn 11904  df-2 11966  df-3 11967  df-n0 12164  df-z 12250  df-uz 12512  df-rp 12660  df-seq 13650  df-exp 13711  df-cj 14738  df-re 14739  df-im 14740  df-sqrt 14874  df-hnorm 29231  df-nmop 30102

This theorem is referenced by: (None)