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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 1160 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp)) | |
| 2 | 1 | adantr 484 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → (𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp)) |
| 3 | 0re 11180 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 4 | ltle 11268 | . . . . . . 7 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 < 𝐴 → 0 ≤ 𝐴)) | |
| 5 | 4 | 3impia 1129 | . . . . . 6 ⊢ ((0 ∈ ℝ ∧ 𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 6 | 3, 5 | mp3an1 1468 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 7 | 6 | 3adant2 1143 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 0 ≤ 𝐴) |
| 8 | 7 | anim1i 624 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → (0 ≤ 𝐴 ∧ 0hop ≤op 𝑇)) |
| 9 | leopmuli 32282 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp) ∧ (0 ≤ 𝐴 ∧ 0hop ≤op 𝑇)) → 0hop ≤op (𝐴 ·op 𝑇)) | |
| 10 | 2, 8, 9 | syl2anc 593 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op 𝑇) → 0hop ≤op (𝐴 ·op 𝑇)) |
| 11 | gt0ne0 11649 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ≠ 0) | |
| 12 | rereccl 11906 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≠ 0) → (1 / 𝐴) ∈ ℝ) | |
| 13 | 11, 12 | syldan 600 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℝ) |
| 14 | 13 | 3adant2 1143 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℝ) |
| 15 | hmopm 32170 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp) → (𝐴 ·op 𝑇) ∈ HrmOp) | |
| 16 | 15 | 3adant3 1144 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (𝐴 ·op 𝑇) ∈ HrmOp) |
| 17 | recgt0 12034 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 0 < (1 / 𝐴)) | |
| 18 | ltle 11268 | . . . . . . . 8 ⊢ ((0 ∈ ℝ ∧ (1 / 𝐴) ∈ ℝ) → (0 < (1 / 𝐴) → 0 ≤ (1 / 𝐴))) | |
| 19 | 3, 13, 18 | sylancr 596 | . . . . . . 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 1143 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 0 ≤ (1 / 𝐴)) |
| 22 | 14, 16, 21 | jca31 522 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) ∈ ℝ ∧ (𝐴 ·op 𝑇) ∈ HrmOp) ∧ 0 ≤ (1 / 𝐴))) |
| 23 | leopmuli 32282 | . . . . 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 471 | . . . 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 589 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 26 | recn 11160 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
| 27 | 26 | adantr 484 | . . . . . . . 8 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 28 | 27, 11 | recid2d 11960 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → ((1 / 𝐴) · 𝐴) = 1) |
| 29 | 28 | oveq1d 7407 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = (1 ·op 𝑇)) |
| 30 | 29 | 3adant2 1143 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = (1 ·op 𝑇)) |
| 31 | 27, 11 | reccld 11957 | . . . . . . 7 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℂ) |
| 32 | 31 | 3adant2 1143 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 / 𝐴) ∈ ℂ) |
| 33 | 26 | 3ad2ant1 1145 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝐴 ∈ ℂ) |
| 34 | hmopf 32023 | . . . . . . 7 ⊢ (𝑇 ∈ HrmOp → 𝑇: ℋ⟶ ℋ) | |
| 35 | 34 | 3ad2ant2 1146 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → 𝑇: ℋ⟶ ℋ) |
| 36 | homulass 31951 | . . . . . 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 1389 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (((1 / 𝐴) · 𝐴) ·op 𝑇) = ((1 / 𝐴) ·op (𝐴 ·op 𝑇))) |
| 38 | homullid 31949 | . . . . . . 7 ⊢ (𝑇: ℋ⟶ ℋ → (1 ·op 𝑇) = 𝑇) | |
| 39 | 34, 38 | syl 17 | . . . . . 6 ⊢ (𝑇 ∈ HrmOp → (1 ·op 𝑇) = 𝑇) |
| 40 | 39 | 3ad2ant2 1146 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → (1 ·op 𝑇) = 𝑇) |
| 41 | 30, 37, 40 | 3eqtr3d 2804 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) → ((1 / 𝐴) ·op (𝐴 ·op 𝑇)) = 𝑇) |
| 42 | 41 | adantr 484 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → ((1 / 𝐴) ·op (𝐴 ·op 𝑇)) = 𝑇) |
| 43 | 25, 42 | breqtrd 5125 | . 2 ⊢ (((𝐴 ∈ ℝ ∧ 𝑇 ∈ HrmOp ∧ 0 < 𝐴) ∧ 0hop ≤op (𝐴 ·op 𝑇)) → 0hop ≤op 𝑇) |
| 44 | 10, 43 | impbida 810 | 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 208 ∧ wa 399 ∧ w3a 1097 = wceq 1559 ∈ wcel 2141 ≠ wne 2956 class class class wbr 5099 ⟶wf 6513 (class class class)co 7392 ℂcc 11068 ℝcr 11069 0cc0 11070 1c1 11071 · cmul 11075 < clt 11213 ≤ cle 11214 / cdiv 11841 ℋchba 31068 ·op chot 31088 0hop ch0o 31092 HrmOpcho 31099 ≤op cleo 31107 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-inf2 9593 ax-cc 10389 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 ax-pre-sup 11148 ax-addf 11149 ax-mulf 11150 ax-hilex 31148 ax-hfvadd 31149 ax-hvcom 31150 ax-hvass 31151 ax-hv0cl 31152 ax-hvaddid 31153 ax-hfvmul 31154 ax-hvmulid 31155 ax-hvmulass 31156 ax-hvdistr1 31157 ax-hvdistr2 31158 ax-hvmul0 31159 ax-hfi 31228 ax-his1 31231 ax-his2 31232 ax-his3 31233 ax-his4 31234 ax-hcompl 31351 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-int 4905 df-iun 4950 df-iin 4951 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-se 5599 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-isom 6526 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-of 7656 df-om 7843 df-1st 7966 df-2nd 7967 df-supp 8136 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-1o 8432 df-2o 8433 df-oadd 8436 df-omul 8437 df-er 8673 df-map 8805 df-pm 8806 df-ixp 8876 df-en 8924 df-dom 8925 df-sdom 8926 df-fin 8927 df-fsupp 9305 df-fi 9354 df-sup 9385 df-inf 9386 df-oi 9455 df-card 9894 df-acn 9897 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-div 11842 df-nn 12208 df-2 12277 df-3 12278 df-4 12279 df-5 12280 df-6 12281 df-7 12282 df-8 12283 df-9 12284 df-n0 12479 df-z 12566 df-dec 12686 df-uz 12837 df-q 12947 df-rp 12991 df-xneg 13111 df-xadd 13112 df-xmul 13113 df-ioo 13350 df-ico 13352 df-icc 13353 df-fz 13510 df-fzo 13657 df-fl 13799 df-seq 14012 df-exp 14072 df-hash 14341 df-cj 15109 df-re 15110 df-im 15111 df-sqrt 15245 df-abs 15246 df-clim 15498 df-rlim 15499 df-sum 15697 df-struct 17166 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17229 df-ress 17250 df-plusg 17282 df-mulr 17283 df-starv 17284 df-sca 17285 df-vsca 17286 df-ip 17287 df-tset 17288 df-ple 17289 df-ds 17291 df-unif 17292 df-hom 17293 df-cco 17294 df-rest 17434 df-topn 17435 df-0g 17453 df-gsum 17454 df-topgen 17455 df-pt 17456 df-prds 17459 df-xrs 17515 df-qtop 17520 df-imas 17521 df-xps 17523 df-mre 17597 df-mrc 17598 df-acs 17600 df-mgm 18657 df-sgrp 18736 df-mnd 18752 df-submnd 18801 df-mulg 19093 df-cntz 19340 df-cmn 19805 df-psmet 21396 df-xmet 21397 df-met 21398 df-bl 21399 df-mopn 21400 df-fbas 21401 df-fg 21402 df-cnfld 21405 df-top 22934 df-topon 22951 df-topsp 22973 df-bases 22986 df-cld 23059 df-ntr 23060 df-cls 23061 df-nei 23138 df-cn 23267 df-cnp 23268 df-lm 23269 df-haus 23355 df-tx 23602 df-hmeo 23795 df-fil 23886 df-fm 23978 df-flim 23979 df-flf 23980 df-xms 24360 df-ms 24361 df-tms 24362 df-cfil 25297 df-cau 25298 df-cmet 25299 df-grpo 30642 df-gid 30643 df-ginv 30644 df-gdiv 30645 df-ablo 30694 df-vc 30708 df-nv 30741 df-va 30744 df-ba 30745 df-sm 30746 df-0v 30747 df-vs 30748 df-nmcv 30749 df-ims 30750 df-dip 30850 df-ssp 30871 df-ph 30962 df-cbn 31012 df-hnorm 31117 df-hba 31118 df-hvsub 31120 df-hlim 31121 df-hcau 31122 df-sh 31356 df-ch 31370 df-oc 31401 df-ch0 31402 df-shs 31457 df-pjh 31544 df-hosum 31879 df-homul 31880 df-hodif 31881 df-h0op 31897 df-hmop 31993 df-leop 32001 |
| This theorem is referenced by: opsqrlem6 32294 |
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