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Mirrors > Home > HSE Home > Th. List > hvnegdii | Structured version Visualization version GIF version |
Description: Distribution of negative over subtraction. (Contributed by NM, 31-Oct-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
hvnegdi.1 | โข ๐ด โ โ |
hvnegdi.2 | โข ๐ต โ โ |
Ref | Expression |
---|---|
hvnegdii | โข (-1 ยทโ (๐ด โโ ๐ต)) = (๐ต โโ ๐ด) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hvnegdi.1 | . . . 4 โข ๐ด โ โ | |
2 | hvnegdi.2 | . . . 4 โข ๐ต โ โ | |
3 | 1, 2 | hvsubvali 30261 | . . 3 โข (๐ด โโ ๐ต) = (๐ด +โ (-1 ยทโ ๐ต)) |
4 | 3 | oveq2i 7417 | . 2 โข (-1 ยทโ (๐ด โโ ๐ต)) = (-1 ยทโ (๐ด +โ (-1 ยทโ ๐ต))) |
5 | neg1cn 12323 | . . 3 โข -1 โ โ | |
6 | 5, 2 | hvmulcli 30255 | . . 3 โข (-1 ยทโ ๐ต) โ โ |
7 | 5, 1, 6 | hvdistr1i 30292 | . 2 โข (-1 ยทโ (๐ด +โ (-1 ยทโ ๐ต))) = ((-1 ยทโ ๐ด) +โ (-1 ยทโ (-1 ยทโ ๐ต))) |
8 | neg1mulneg1e1 12422 | . . . . . 6 โข (-1 ยท -1) = 1 | |
9 | 8 | oveq1i 7416 | . . . . 5 โข ((-1 ยท -1) ยทโ ๐ต) = (1 ยทโ ๐ต) |
10 | 5, 5, 2 | hvmulassi 30287 | . . . . 5 โข ((-1 ยท -1) ยทโ ๐ต) = (-1 ยทโ (-1 ยทโ ๐ต)) |
11 | ax-hvmulid 30247 | . . . . . 6 โข (๐ต โ โ โ (1 ยทโ ๐ต) = ๐ต) | |
12 | 2, 11 | ax-mp 5 | . . . . 5 โข (1 ยทโ ๐ต) = ๐ต |
13 | 9, 10, 12 | 3eqtr3i 2769 | . . . 4 โข (-1 ยทโ (-1 ยทโ ๐ต)) = ๐ต |
14 | 13 | oveq1i 7416 | . . 3 โข ((-1 ยทโ (-1 ยทโ ๐ต)) +โ (-1 ยทโ ๐ด)) = (๐ต +โ (-1 ยทโ ๐ด)) |
15 | 5, 1 | hvmulcli 30255 | . . . 4 โข (-1 ยทโ ๐ด) โ โ |
16 | 5, 6 | hvmulcli 30255 | . . . 4 โข (-1 ยทโ (-1 ยทโ ๐ต)) โ โ |
17 | 15, 16 | hvcomi 30260 | . . 3 โข ((-1 ยทโ ๐ด) +โ (-1 ยทโ (-1 ยทโ ๐ต))) = ((-1 ยทโ (-1 ยทโ ๐ต)) +โ (-1 ยทโ ๐ด)) |
18 | 2, 1 | hvsubvali 30261 | . . 3 โข (๐ต โโ ๐ด) = (๐ต +โ (-1 ยทโ ๐ด)) |
19 | 14, 17, 18 | 3eqtr4i 2771 | . 2 โข ((-1 ยทโ ๐ด) +โ (-1 ยทโ (-1 ยทโ ๐ต))) = (๐ต โโ ๐ด) |
20 | 4, 7, 19 | 3eqtri 2765 | 1 โข (-1 ยทโ (๐ด โโ ๐ต)) = (๐ต โโ ๐ด) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1542 โ wcel 2107 (class class class)co 7406 1c1 11108 ยท cmul 11112 -cneg 11442 โchba 30160 +โ cva 30161 ยทโ csm 30162 โโ cmv 30166 |
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-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7722 ax-resscn 11164 ax-1cn 11165 ax-icn 11166 ax-addcl 11167 ax-addrcl 11168 ax-mulcl 11169 ax-mulrcl 11170 ax-mulcom 11171 ax-addass 11172 ax-mulass 11173 ax-distr 11174 ax-i2m1 11175 ax-1ne0 11176 ax-1rid 11177 ax-rnegex 11178 ax-rrecex 11179 ax-cnre 11180 ax-pre-lttri 11181 ax-pre-lttrn 11182 ax-pre-ltadd 11183 ax-hvcom 30242 ax-hfvmul 30246 ax-hvmulid 30247 ax-hvmulass 30248 ax-hvdistr1 30249 |
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 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5574 df-po 5588 df-so 5589 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-iota 6493 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7362 df-ov 7409 df-oprab 7410 df-mpo 7411 df-er 8700 df-en 8937 df-dom 8938 df-sdom 8939 df-pnf 11247 df-mnf 11248 df-ltxr 11250 df-sub 11443 df-neg 11444 df-hvsub 30212 |
This theorem is referenced by: hvnegdi 30308 hisubcomi 30345 normsubi 30382 normpar2i 30397 pjsslem 30920 pjcji 30925 |
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