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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 1166 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp)) | |
| 2 | 1 | adantr 486 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → (𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp)) |
| 3 | 0re 11340 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 4 | ltle 11428 | . . . . . . 7 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 < 𝐴 → 0 ≤ 𝐴)) | |
| 5 | 4 | 3impia 1135 | . . . . . 6 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 6 | 3, 5 | mp3an1 1478 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 7 | 6 | 3adant2 1149 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 8 | 7 | anim1i 627 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → (0 ≤ 𝐴 ∧ 0hop ≤op 𝑇)) |
| 9 | leopmuli 32768 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp) ∧ (0 ≤ 𝐴 ∧ 0hop ≤op 𝑇)) → 0hop ≤op (𝐴 ·op 𝑇)) | |
| 10 | 2, 8, 9 | syl2anc 596 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → 0hop ≤op (𝐴 ·op 𝑇)) |
| 11 | gt0ne0 11811 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ≠ 0) | |
| 12 | rereccl 12065 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≠ 0) → (1 / 𝐴) ∈ ℝ) | |
| 13 | 11, 12 | syldan 603 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℝ) |
| 14 | 13 | 3adant2 1149 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℝ) |
| 15 | hmopm 32656 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp) → (𝐴 ·op 𝑇) ∈ HrmOp) | |
| 16 | 15 | 3adant3 1150 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (𝐴 ·op 𝑇) ∈ HrmOp) |
| 17 | recgt0 12193 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 < (1 / 𝐴)) | |
| 18 | ltle 11428 | . . . . . . . 8 ⊢ ((0 ∈ ℝ ∧ (1 / 𝐴) ∈ ℝ) → (0 < (1 / 𝐴) → 0 ≤ (1 / 𝐴))) | |
| 19 | 3, 13, 18 | sylancr 599 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (0 < (1 / 𝐴) → 0 ≤ (1 / 𝐴))) |
| 20 | 17, 19 | mpd 16 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ (1 / 𝐴)) |
| 21 | 20 | 3adant2 1149 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 0 ≤ (1 / 𝐴)) |
| 22 | 14, 16, 21 | jca31 524 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) ∈ ℝ ∧ (𝐴 ·op 𝑇) ∈ HrmOp) ∧ 0 ≤ (1 / 𝐴))) |
| 23 | leopmuli 32768 | . . . . 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 473 | . . . 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 592 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 26 | recn 11320 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
| 27 | 26 | adantr 486 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 28 | 27, 11 | recid2d 12119 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → ((1 / 𝐴) · 𝐴) = 1) |
| 29 | 28 | oveq1d 7461 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = (1 ·op 𝑇)) |
| 30 | 29 | 3adant2 1149 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = (1 ·op 𝑇)) |
| 31 | 27, 11 | reccld 12116 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℂ) |
| 32 | 31 | 3adant2 1149 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℂ) |
| 33 | 26 | 3ad2ant1 1151 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 34 | hmopf 32509 | . . . . . . 7 ⊢ (𝑇 ∈ HrmOp → 𝑇: ℋ⟶ ℋ) | |
| 35 | 34 | 3ad2ant2 1152 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝑇: ℋ⟶ ℋ) |
| 36 | homulass 32437 | . . . . . 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 1399 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 38 | homullid 32435 | . . . . . . 7 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇) | |
| 39 | 34, 38 | syl 18 | . . . . . 6 ⊢ (𝑇 ∈ HrmOp → (1 ·op 𝑇) = 𝑇) |
| 40 | 39 | 3ad2ant2 1152 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 ·op 𝑇) = 𝑇) |
| 41 | 30, 37, 40 | 3eqtr3d 2806 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → ((1 / 𝐴) ·op (𝐴 ·op 𝑇)) = 𝑇) |
| 42 | 41 | adantr 486 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → ((1 / 𝐴) ·op (𝐴 ·op 𝑇)) = 𝑇) |
| 43 | 25, 42 | breqtrd 5135 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op 𝑇) |
| 44 | 10, 43 | impbida 813 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → ( 0hop ≤op 𝑇 ↔ 0hop ≤op (𝐴 ·op 𝑇))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 class class class wbr 5106 ⟶wf 6557 (class class class)co 7446 ℂcc 11228 ℝcr 11229 0cc0 11230 1c1 11231 · cmul 11235 < clt 11373 ≤ cle 11374 / cdiv 12003 ℋchba 31554 ·op chot 31574 0hop ch0o 31578 HrmOpcho 31585 ≤op cleo 31593 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5236 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-inf2 9672 ax-cc 10543 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 ax-pre-sup 11308 ax-addf 11309 ax-mulf 11310 ax-hilex 31634 ax-hfvadd 31635 ax-hvcom 31636 ax-hvass 31637 ax-hv0cl 31638 ax-hvaddid 31639 ax-hfvmul 31640 ax-hvmulid 31641 ax-hvmulass 31642 ax-hvdistr1 31643 ax-hvdistr2 31644 ax-hvmul0 31645 ax-hfi 31714 ax-his1 31717 ax-his2 31718 ax-his3 31719 ax-his4 31720 ax-hcompl 31837 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-iin 4957 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-se 5610 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-of 7720 df-om 7905 df-1st 8028 df-2nd 8029 df-supp 8208 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-1o 8507 df-2o 8508 df-oadd 8511 df-omul 8512 df-er 8748 df-map 8880 df-pm 8881 df-ixp 8957 df-en 9005 df-dom 9006 df-sdom 9007 df-fin 9008 df-fsupp 9385 df-fi 9433 df-sup 9464 df-inf 9465 df-oi 9534 df-card 10050 df-acn 10053 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-div 12004 df-nn 12366 df-2 12435 df-3 12436 df-4 12437 df-5 12438 df-6 12439 df-7 12440 df-8 12441 df-9 12442 df-n0 12637 df-z 12724 df-dec 12845 df-uz 12996 df-q 13106 df-rp 13151 df-xneg 13271 df-xadd 13272 df-xmul 13273 df-ioo 13510 df-ico 13512 df-icc 13513 df-fz 13670 df-fzo 13819 df-fl 13962 df-seq 14175 df-exp 14235 df-hash 14505 df-cj 15298 df-re 15299 df-im 15300 df-sqrt 15434 df-abs 15435 df-clim 15687 df-rlim 15688 df-sum 15886 df-struct 17357 df-sets 17374 df-slot 17392 df-ndx 17404 df-base 17420 df-ress 17441 df-plusg 17473 df-mulr 17474 df-starv 17475 df-sca 17476 df-vsca 17477 df-ip 17478 df-tset 17479 df-ple 17480 df-ds 17482 df-unif 17483 df-hom 17484 df-cco 17485 df-rest 17625 df-topn 17626 df-0g 17644 df-gsum 17645 df-topgen 17646 df-pt 17647 df-prds 17650 df-xrs 17706 df-qtop 17711 df-imas 17712 df-xps 17714 df-mre 17788 df-mrc 17789 df-acs 17791 df-mgm 18848 df-sgrp 18940 df-mnd 18956 df-submnd 19011 df-mulg 19310 df-cntz 19564 df-cmn 20029 df-psmet 21703 df-xmet 21704 df-met 21705 df-bl 21706 df-mopn 21707 df-fbas 21708 df-fg 21709 df-cnfld 21712 df-top 23245 df-topon 23262 df-topsp 23284 df-bases 23297 df-cld 23370 df-ntr 23371 df-cls 23372 df-nei 23449 df-cn 23578 df-cnp 23579 df-lm 23580 df-haus 23666 df-tx 23914 df-hmeo 24107 df-fil 24198 df-fm 24290 df-flim 24291 df-flf 24292 df-xms 24672 df-ms 24673 df-tms 24674 df-cfil 25609 df-cau 25610 df-cmet 25611 df-grpo 31128 df-gid 31129 df-ginv 31130 df-gdiv 31131 df-ablo 31180 df-vc 31194 df-nv 31227 df-va 31230 df-ba 31231 df-sm 31232 df-0v 31233 df-vs 31234 df-nmcv 31235 df-ims 31236 df-dip 31336 df-ssp 31357 df-ph 31448 df-cbn 31498 df-hnorm 31603 df-hba 31604 df-hvsub 31606 df-hlim 31607 df-hcau 31608 df-sh 31842 df-ch 31856 df-oc 31887 df-ch0 31888 df-shs 31943 df-pjh 32030 df-hosum 32365 df-homul 32366 df-hodif 32367 df-h0op 32383 df-hmop 32479 df-leop 32487 |
| This theorem is used by: opsqrlem6 32780 |
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