Theorem nmopub2tALT 29791

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 29007	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ℋ → (normℎ‘𝑥) ∈ ℝ)
2	1	ad2antlr 726	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘𝑥) ∈ ℝ)
3		simpllr 775	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴))
4		simpr 488	. . . . . . . . . 10 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (normℎ‘𝑥) ≤ 1)
5		1re 10679	. . . . . . . . . . 11 ⊢ 1 ∈ ℝ
6		lemul2a 11533	. . . . . . . . . . 11 ⊢ ((((normℎ‘𝑥) ∈ ℝ ∧ 1 ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
7	5, 6	mp3anl2 1453	. . . . . . . . . 10 ⊢ ((((normℎ‘𝑥) ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
8	2, 3, 4, 7	syl21anc 836	. . . . . . . . 9 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ (𝐴 · 1))
9		ax-1rid 10645	. . . . . . . . . . 11 ⊢ (𝐴 ∈ ℝ → (𝐴 · 1) = 𝐴)
10	9	ad2antrl 727	. . . . . . . . . 10 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → (𝐴 · 1) = 𝐴)
11	10	ad2antrr 725	. . . . . . . . 9 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · 1) = 𝐴)
12	8, 11	breqtrd 5058	. . . . . . . 8 ⊢ ((((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) ∧ (normℎ‘𝑥) ≤ 1) → (𝐴 · (normℎ‘𝑥)) ≤ 𝐴)
13		ffvelrn 6840	. . . . . . . . . . . 12 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ)
14		normcl 29007	. . . . . . . . . . . 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 714	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (normℎ‘(𝑇‘𝑥)) ∈ ℝ)
17		remulcl 10660	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℝ ∧ (normℎ‘𝑥) ∈ ℝ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
18	1, 17	sylan2 595	. . . . . . . . . . . 12 ⊢ ((𝐴 ∈ ℝ ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
19	18	adantlr 714	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
20	19	adantll 713	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → (𝐴 · (normℎ‘𝑥)) ∈ ℝ)
21		simplrl 776	. . . . . . . . . 10 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ 𝑥 ∈ ℋ) → 𝐴 ∈ ℝ)
22		letr 10772	. . . . . . . . . 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 1368	. . . . . . . . 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 484	. . . . . . . 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 693	. . . . . . 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 416	. . . . . 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 3108	. . . 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 410	. . 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 10725	. . . . . 6 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*)
31	30	adantr 484	. . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) → 𝐴 ∈ ℝ*)
32		nmopub 29790	. . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝐴 ∈ ℝ*) → ((normop‘𝑇) ≤ 𝐴 ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
33	31, 32	sylan2 595	. . . 4 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) → ((normop‘𝑇) ≤ 𝐴 ↔ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)))
34	33	biimpar 481	. . 3 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ ((normℎ‘𝑥) ≤ 1 → (normℎ‘(𝑇‘𝑥)) ≤ 𝐴)) → (normop‘𝑇) ≤ 𝐴)
35	29, 34	syldan 594	. 2 ⊢ (((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴)) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)
36	35	3impa 1107	1 ⊢ ((𝑇: ℋ⟶ ℋ ∧ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴) ∧ ∀𝑥 ∈ ℋ (normℎ‘(𝑇‘𝑥)) ≤ (𝐴 · (normℎ‘𝑥))) → (normop‘𝑇) ≤ 𝐴)

Syntax hints:   → wi 4   ↔ wb 209   ∧ wa 399   ∧ w3a 1084   = wceq 1538   ∈ wcel 2111  ∀wral 3070   class class class wbr 5032  ⟶wf 6331  ‘cfv 6335  (class class class)co 7150  ℝcr 10574  0cc0 10575  1c1 10576   · cmul 10580  ℝ^*cxr 10712   ≤ cle 10714   ℋchba 28801  norm_ℎcno 28805  norm_opcnop 28827

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 2729  ax-sep 5169  ax-nul 5176  ax-pow 5234  ax-pr 5298  ax-un 7459  ax-cnex 10631  ax-resscn 10632  ax-1cn 10633  ax-icn 10634  ax-addcl 10635  ax-addrcl 10636  ax-mulcl 10637  ax-mulrcl 10638  ax-mulcom 10639  ax-addass 10640  ax-mulass 10641  ax-distr 10642  ax-i2m1 10643  ax-1ne0 10644  ax-1rid 10645  ax-rnegex 10646  ax-rrecex 10647  ax-cnre 10648  ax-pre-lttri 10649  ax-pre-lttrn 10650  ax-pre-ltadd 10651  ax-pre-mulgt0 10652  ax-pre-sup 10653  ax-hilex 28881  ax-hv0cl 28885  ax-hvmul0 28892  ax-hfi 28961  ax-his1 28964  ax-his3 28966  ax-his4 28967

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 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-nel 3056  df-ral 3075  df-rex 3076  df-reu 3077  df-rmo 3078  df-rab 3079  df-v 3411  df-sbc 3697  df-csb 3806  df-dif 3861  df-un 3863  df-in 3865  df-ss 3875  df-pss 3877  df-nul 4226  df-if 4421  df-pw 4496  df-sn 4523  df-pr 4525  df-tp 4527  df-op 4529  df-uni 4799  df-iun 4885  df-br 5033  df-opab 5095  df-mpt 5113  df-tr 5139  df-id 5430  df-eprel 5435  df-po 5443  df-so 5444  df-fr 5483  df-we 5485  df-xp 5530  df-rel 5531  df-cnv 5532  df-co 5533  df-dm 5534  df-rn 5535  df-res 5536  df-ima 5537  df-pred 6126  df-ord 6172  df-on 6173  df-lim 6174  df-suc 6175  df-iota 6294  df-fun 6337  df-fn 6338  df-f 6339  df-f1 6340  df-fo 6341  df-f1o 6342  df-fv 6343  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-om 7580  df-2nd 7694  df-wrecs 7957  df-recs 8018  df-rdg 8056  df-er 8299  df-map 8418  df-en 8528  df-dom 8529  df-sdom 8530  df-sup 8939  df-pnf 10715  df-mnf 10716  df-xr 10717  df-ltxr 10718  df-le 10719  df-sub 10910  df-neg 10911  df-div 11336  df-nn 11675  df-2 11737  df-3 11738  df-n0 11935  df-z 12021  df-uz 12283  df-rp 12431  df-seq 13419  df-exp 13480  df-cj 14506  df-re 14507  df-im 14508  df-sqrt 14642  df-hnorm 28850  df-nmop 29721

This theorem is referenced by: (None)