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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 11235 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 4 | ltle 11323 | . . . . . . 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 1477 | . . . . 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 32615 | . . 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 11704 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ≠ 0) | |
| 12 | rereccl 11958 | . . . . . . 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 32503 | . . . . . 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 12086 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 < (1 / 𝐴)) | |
| 18 | ltle 11323 | . . . . . . . 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 32615 | . . . . 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 11215 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
| 27 | 26 | adantr 486 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 28 | 27, 11 | recid2d 12012 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → ((1 / 𝐴) · 𝐴) = 1) |
| 29 | 28 | oveq1d 7429 | . . . . . 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 12009 | . . . . . . 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 32356 | . . . . . . 7 ⊢ (𝑇 ∈ HrmOp → 𝑇: ℋ⟶ ℋ) | |
| 35 | 34 | 3ad2ant2 1152 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝑇: ℋ⟶ ℋ) |
| 36 | homulass 32284 | . . . . . 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 1398 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 38 | homullid 32282 | . . . . . . 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 2803 | . . . 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 5131 | . 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 2145 ≠ wne 2955 class class class wbr 5103 ⟶wf 6529 (class class class)co 7414 ℂcc 11123 ℝcr 11124 0cc0 11125 1c1 11126 · cmul 11130 < clt 11268 ≤ cle 11269 / cdiv 11896 ℋchba 31401 ·op chot 31421 0hop ch0o 31425 HrmOpcho 31432 ≤op cleo 31440 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-inf2 9621 ax-cc 10438 ax-cnex 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 ax-pre-sup 11203 ax-addf 11204 ax-mulf 11205 ax-hilex 31481 ax-hfvadd 31482 ax-hvcom 31483 ax-hvass 31484 ax-hv0cl 31485 ax-hvaddid 31486 ax-hfvmul 31487 ax-hvmulid 31488 ax-hvmulass 31489 ax-hvdistr1 31490 ax-hvdistr2 31491 ax-hvmul0 31492 ax-hfi 31561 ax-his1 31564 ax-his2 31565 ax-his3 31566 ax-his4 31567 ax-hcompl 31684 |
| 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-of 7679 df-om 7864 df-1st 7987 df-2nd 7988 df-supp 8160 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8456 df-2o 8457 df-oadd 8460 df-omul 8461 df-er 8697 df-map 8829 df-pm 8830 df-ixp 8906 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-fsupp 9333 df-fi 9382 df-sup 9413 df-inf 9414 df-oi 9483 df-card 9945 df-acn 9948 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-div 11897 df-nn 12259 df-2 12328 df-3 12329 df-4 12330 df-5 12331 df-6 12332 df-7 12333 df-8 12334 df-9 12335 df-n0 12530 df-z 12617 df-dec 12738 df-uz 12889 df-q 12999 df-rp 13044 df-xneg 13164 df-xadd 13165 df-xmul 13166 df-ioo 13403 df-ico 13405 df-icc 13406 df-fz 13563 df-fzo 13711 df-fl 13854 df-seq 14067 df-exp 14127 df-hash 14396 df-cj 15187 df-re 15188 df-im 15189 df-sqrt 15323 df-abs 15324 df-clim 15576 df-rlim 15577 df-sum 15775 df-struct 17240 df-sets 17257 df-slot 17275 df-ndx 17287 df-base 17303 df-ress 17324 df-plusg 17356 df-mulr 17357 df-starv 17358 df-sca 17359 df-vsca 17360 df-ip 17361 df-tset 17362 df-ple 17363 df-ds 17365 df-unif 17366 df-hom 17367 df-cco 17368 df-rest 17508 df-topn 17509 df-0g 17527 df-gsum 17528 df-topgen 17529 df-pt 17530 df-prds 17533 df-xrs 17589 df-qtop 17594 df-imas 17595 df-xps 17597 df-mre 17671 df-mrc 17672 df-acs 17674 df-mgm 18731 df-sgrp 18822 df-mnd 18838 df-submnd 18893 df-mulg 19192 df-cntz 19445 df-cmn 19910 df-psmet 21578 df-xmet 21579 df-met 21580 df-bl 21581 df-mopn 21582 df-fbas 21583 df-fg 21584 df-cnfld 21587 df-top 23120 df-topon 23137 df-topsp 23159 df-bases 23172 df-cld 23245 df-ntr 23246 df-cls 23247 df-nei 23324 df-cn 23453 df-cnp 23454 df-lm 23455 df-haus 23541 df-tx 23789 df-hmeo 23982 df-fil 24073 df-fm 24165 df-flim 24166 df-flf 24167 df-xms 24547 df-ms 24548 df-tms 24549 df-cfil 25484 df-cau 25485 df-cmet 25486 df-grpo 30975 df-gid 30976 df-ginv 30977 df-gdiv 30978 df-ablo 31027 df-vc 31041 df-nv 31074 df-va 31077 df-ba 31078 df-sm 31079 df-0v 31080 df-vs 31081 df-nmcv 31082 df-ims 31083 df-dip 31183 df-ssp 31204 df-ph 31295 df-cbn 31345 df-hnorm 31450 df-hba 31451 df-hvsub 31453 df-hlim 31454 df-hcau 31455 df-sh 31689 df-ch 31703 df-oc 31734 df-ch0 31735 df-shs 31790 df-pjh 31877 df-hosum 32212 df-homul 32213 df-hodif 32214 df-h0op 32230 df-hmop 32326 df-leop 32334 |
| This theorem is used by: opsqrlem6 32627 |
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