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Mirrors > Home > HSE Home > Th. List > honegneg | Structured version Visualization version GIF version |
Description: Double negative of a Hilbert space operator. (Contributed by NM, 24-Aug-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
honegneg | โข (๐: โโถ โ โ (-1 ยทop (-1 ยทop ๐)) = ๐) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neg1mulneg1e1 12425 | . . 3 โข (-1 ยท -1) = 1 | |
2 | 1 | oveq1i 7419 | . 2 โข ((-1 ยท -1) ยทop ๐) = (1 ยทop ๐) |
3 | neg1cn 12326 | . . 3 โข -1 โ โ | |
4 | homulass 31055 | . . 3 โข ((-1 โ โ โง -1 โ โ โง ๐: โโถ โ) โ ((-1 ยท -1) ยทop ๐) = (-1 ยทop (-1 ยทop ๐))) | |
5 | 3, 3, 4 | mp3an12 1452 | . 2 โข (๐: โโถ โ โ ((-1 ยท -1) ยทop ๐) = (-1 ยทop (-1 ยทop ๐))) |
6 | homullid 31053 | . 2 โข (๐: โโถ โ โ (1 ยทop ๐) = ๐) | |
7 | 2, 5, 6 | 3eqtr3a 2797 | 1 โข (๐: โโถ โ โ (-1 ยทop (-1 ยทop ๐)) = ๐) |
Colors of variables: wff setvar class |
Syntax hints: โ wi 4 = wceq 1542 โ wcel 2107 โถwf 6540 (class class class)co 7409 โcc 11108 1c1 11111 ยท cmul 11115 -cneg 11445 โchba 30172 ยทop chot 30192 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-hilex 30252 ax-hfvmul 30258 ax-hvmulid 30259 ax-hvmulass 30260 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-id 5575 df-po 5589 df-so 5590 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-er 8703 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11250 df-mnf 11251 df-ltxr 11253 df-sub 11446 df-neg 11447 df-homul 30984 |
This theorem is referenced by: hosubneg 31060 honegsubdi 31063 |
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