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| Mirrors > Home > HSE Home > Th. List > leopmul | Structured version Visualization version GIF version | ||
| Description: The scalar product of a positive real and a positive operator is a positive operator. Exercise 1(ii) of [Retherford] p. 49. (Contributed by NM, 23-Aug-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| leopmul | ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → ( 0hop ≤op 𝑇 ↔ 0hop ≤op (𝐴 ·op 𝑇))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3simpa 1149 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp)) | |
| 2 | 1 | adantr 480 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → (𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp)) |
| 3 | 0re 11146 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 4 | ltle 11234 | . . . . . . 7 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 < 𝐴 → 0 ≤ 𝐴)) | |
| 5 | 4 | 3impia 1118 | . . . . . 6 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 6 | 3, 5 | mp3an1 1451 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 7 | 6 | 3adant2 1132 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 8 | 7 | anim1i 616 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → (0 ≤ 𝐴 ∧ 0hop ≤op 𝑇)) |
| 9 | leopmuli 32204 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp) ∧ (0 ≤ 𝐴 ∧ 0hop ≤op 𝑇)) → 0hop ≤op (𝐴 ·op 𝑇)) | |
| 10 | 2, 8, 9 | syl2anc 585 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → 0hop ≤op (𝐴 ·op 𝑇)) |
| 11 | gt0ne0 11615 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ≠ 0) | |
| 12 | rereccl 11873 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≠ 0) → (1 / 𝐴) ∈ ℝ) | |
| 13 | 11, 12 | syldan 592 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℝ) |
| 14 | 13 | 3adant2 1132 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℝ) |
| 15 | hmopm 32092 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp) → (𝐴 ·op 𝑇) ∈ HrmOp) | |
| 16 | 15 | 3adant3 1133 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (𝐴 ·op 𝑇) ∈ HrmOp) |
| 17 | recgt0 12001 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 < (1 / 𝐴)) | |
| 18 | ltle 11234 | . . . . . . . 8 ⊢ ((0 ∈ ℝ ∧ (1 / 𝐴) ∈ ℝ) → (0 < (1 / 𝐴) → 0 ≤ (1 / 𝐴))) | |
| 19 | 3, 13, 18 | sylancr 588 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (0 < (1 / 𝐴) → 0 ≤ (1 / 𝐴))) |
| 20 | 17, 19 | mpd 15 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ (1 / 𝐴)) |
| 21 | 20 | 3adant2 1132 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 0 ≤ (1 / 𝐴)) |
| 22 | 14, 16, 21 | jca31 514 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) ∈ ℝ ∧ (𝐴 ·op 𝑇) ∈ HrmOp) ∧ 0 ≤ (1 / 𝐴))) |
| 23 | leopmuli 32204 | . . . . 5 ⊢ ((((1 / 𝐴) ∈ ℝ ∧ (𝐴 ·op 𝑇) ∈ HrmOp) ∧ (0 ≤ (1 / 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇))) → 0hop ≤op ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) | |
| 24 | 23 | anassrs 467 | . . . 4 ⊢ (((((1 / 𝐴) ∈ ℝ ∧ (𝐴 ·op 𝑇) ∈ HrmOp) ∧ 0 ≤ (1 / 𝐴)) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 25 | 22, 24 | sylan 581 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 26 | recn 11128 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
| 27 | 26 | adantr 480 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 28 | 27, 11 | recid2d 11927 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → ((1 / 𝐴) · 𝐴) = 1) |
| 29 | 28 | oveq1d 7382 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = (1 ·op 𝑇)) |
| 30 | 29 | 3adant2 1132 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = (1 ·op 𝑇)) |
| 31 | 27, 11 | reccld 11924 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℂ) |
| 32 | 31 | 3adant2 1132 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℂ) |
| 33 | 26 | 3ad2ant1 1134 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 34 | hmopf 31945 | . . . . . . 7 ⊢ (𝑇 ∈ HrmOp → 𝑇: ℋ⟶ ℋ) | |
| 35 | 34 | 3ad2ant2 1135 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝑇: ℋ⟶ ℋ) |
| 36 | homulass 31873 | . . . . . 6 ⊢ (((1 / 𝐴) ∈ ℂ ∧ 𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) | |
| 37 | 32, 33, 35, 36 | syl3anc 1374 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 38 | homullid 31871 | . . . . . . 7 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇) | |
| 39 | 34, 38 | syl 17 | . . . . . 6 ⊢ (𝑇 ∈ HrmOp → (1 ·op 𝑇) = 𝑇) |
| 40 | 39 | 3ad2ant2 1135 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 ·op 𝑇) = 𝑇) |
| 41 | 30, 37, 40 | 3eqtr3d 2779 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → ((1 / 𝐴) ·op (𝐴 ·op 𝑇)) = 𝑇) |
| 42 | 41 | adantr 480 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → ((1 / 𝐴) ·op (𝐴 ·op 𝑇)) = 𝑇) |
| 43 | 25, 42 | breqtrd 5111 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op 𝑇) |
| 44 | 10, 43 | impbida 801 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → ( 0hop ≤op 𝑇 ↔ 0hop ≤op (𝐴 ·op 𝑇))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ≠ wne 2932 class class class wbr 5085 ⟶wf 6494 (class class class)co 7367 ℂcc 11036 ℝcr 11037 0cc0 11038 1c1 11039 · cmul 11043 < clt 11179 ≤ cle 11180 / cdiv 11807 ℋchba 30990 ·op chot 31010 0hop ch0o 31014 HrmOpcho 31021 ≤op cleo 31029 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-inf2 9562 ax-cc 10357 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 ax-addf 11117 ax-mulf 11118 ax-hilex 31070 ax-hfvadd 31071 ax-hvcom 31072 ax-hvass 31073 ax-hv0cl 31074 ax-hvaddid 31075 ax-hfvmul 31076 ax-hvmulid 31077 ax-hvmulass 31078 ax-hvdistr1 31079 ax-hvdistr2 31080 ax-hvmul0 31081 ax-hfi 31150 ax-his1 31153 ax-his2 31154 ax-his3 31155 ax-his4 31156 ax-hcompl 31273 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-int 4890 df-iun 4935 df-iin 4936 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-isom 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-of 7631 df-om 7818 df-1st 7942 df-2nd 7943 df-supp 8111 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-2o 8406 df-oadd 8409 df-omul 8410 df-er 8643 df-map 8775 df-pm 8776 df-ixp 8846 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-fsupp 9275 df-fi 9324 df-sup 9355 df-inf 9356 df-oi 9425 df-card 9863 df-acn 9866 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-q 12899 df-rp 12943 df-xneg 13063 df-xadd 13064 df-xmul 13065 df-ioo 13302 df-ico 13304 df-icc 13305 df-fz 13462 df-fzo 13609 df-fl 13751 df-seq 13964 df-exp 14024 df-hash 14293 df-cj 15061 df-re 15062 df-im 15063 df-sqrt 15197 df-abs 15198 df-clim 15450 df-rlim 15451 df-sum 15649 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-ress 17201 df-plusg 17233 df-mulr 17234 df-starv 17235 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-unif 17243 df-hom 17244 df-cco 17245 df-rest 17385 df-topn 17386 df-0g 17404 df-gsum 17405 df-topgen 17406 df-pt 17407 df-prds 17410 df-xrs 17466 df-qtop 17471 df-imas 17472 df-xps 17474 df-mre 17548 df-mrc 17549 df-acs 17551 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-submnd 18752 df-mulg 19044 df-cntz 19292 df-cmn 19757 df-psmet 21344 df-xmet 21345 df-met 21346 df-bl 21347 df-mopn 21348 df-fbas 21349 df-fg 21350 df-cnfld 21353 df-top 22859 df-topon 22876 df-topsp 22898 df-bases 22911 df-cld 22984 df-ntr 22985 df-cls 22986 df-nei 23063 df-cn 23192 df-cnp 23193 df-lm 23194 df-haus 23280 df-tx 23527 df-hmeo 23720 df-fil 23811 df-fm 23903 df-flim 23904 df-flf 23905 df-xms 24285 df-ms 24286 df-tms 24287 df-cfil 25222 df-cau 25223 df-cmet 25224 df-grpo 30564 df-gid 30565 df-ginv 30566 df-gdiv 30567 df-ablo 30616 df-vc 30630 df-nv 30663 df-va 30666 df-ba 30667 df-sm 30668 df-0v 30669 df-vs 30670 df-nmcv 30671 df-ims 30672 df-dip 30772 df-ssp 30793 df-ph 30884 df-cbn 30934 df-hnorm 31039 df-hba 31040 df-hvsub 31042 df-hlim 31043 df-hcau 31044 df-sh 31278 df-ch 31292 df-oc 31323 df-ch0 31324 df-shs 31379 df-pjh 31466 df-hosum 31801 df-homul 31802 df-hodif 31803 df-h0op 31819 df-hmop 31915 df-leop 31923 |
| This theorem is referenced by: opsqrlem6 32216 |
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