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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 | ⊢ 𝐴 ∈ ℋ |
| hvnegdi.2 | ⊢ 𝐵 ∈ ℋ |
| Ref | Expression |
|---|---|
| hvnegdii | ⊢ (-1 ·ℎ (𝐴 −ℎ 𝐵)) = (𝐵 −ℎ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvnegdi.1 | . . . 4 ⊢ 𝐴 ∈ ℋ | |
| 2 | hvnegdi.2 | . . . 4 ⊢ 𝐵 ∈ ℋ | |
| 3 | 1, 2 | hvsubvali 31109 | . . 3 ⊢ (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵)) |
| 4 | 3 | oveq2i 7372 | . 2 ⊢ (-1 ·ℎ (𝐴 −ℎ 𝐵)) = (-1 ·ℎ (𝐴 +ℎ (-1 ·ℎ 𝐵))) |
| 5 | neg1cn 12138 | . . 3 ⊢ -1 ∈ ℂ | |
| 6 | 5, 2 | hvmulcli 31103 | . . 3 ⊢ (-1 ·ℎ 𝐵) ∈ ℋ |
| 7 | 5, 1, 6 | hvdistr1i 31140 | . 2 ⊢ (-1 ·ℎ (𝐴 +ℎ (-1 ·ℎ 𝐵))) = ((-1 ·ℎ 𝐴) +ℎ (-1 ·ℎ (-1 ·ℎ 𝐵))) |
| 8 | neg1mulneg1e1 12383 | . . . . . 6 ⊢ (-1 · -1) = 1 | |
| 9 | 8 | oveq1i 7371 | . . . . 5 ⊢ ((-1 · -1) ·ℎ 𝐵) = (1 ·ℎ 𝐵) |
| 10 | 5, 5, 2 | hvmulassi 31135 | . . . . 5 ⊢ ((-1 · -1) ·ℎ 𝐵) = (-1 ·ℎ (-1 ·ℎ 𝐵)) |
| 11 | ax-hvmulid 31095 | . . . . . 6 ⊢ (𝐵 ∈ ℋ → (1 ·ℎ 𝐵) = 𝐵) | |
| 12 | 2, 11 | ax-mp 5 | . . . . 5 ⊢ (1 ·ℎ 𝐵) = 𝐵 |
| 13 | 9, 10, 12 | 3eqtr3i 2768 | . . . 4 ⊢ (-1 ·ℎ (-1 ·ℎ 𝐵)) = 𝐵 |
| 14 | 13 | oveq1i 7371 | . . 3 ⊢ ((-1 ·ℎ (-1 ·ℎ 𝐵)) +ℎ (-1 ·ℎ 𝐴)) = (𝐵 +ℎ (-1 ·ℎ 𝐴)) |
| 15 | 5, 1 | hvmulcli 31103 | . . . 4 ⊢ (-1 ·ℎ 𝐴) ∈ ℋ |
| 16 | 5, 6 | hvmulcli 31103 | . . . 4 ⊢ (-1 ·ℎ (-1 ·ℎ 𝐵)) ∈ ℋ |
| 17 | 15, 16 | hvcomi 31108 | . . 3 ⊢ ((-1 ·ℎ 𝐴) +ℎ (-1 ·ℎ (-1 ·ℎ 𝐵))) = ((-1 ·ℎ (-1 ·ℎ 𝐵)) +ℎ (-1 ·ℎ 𝐴)) |
| 18 | 2, 1 | hvsubvali 31109 | . . 3 ⊢ (𝐵 −ℎ 𝐴) = (𝐵 +ℎ (-1 ·ℎ 𝐴)) |
| 19 | 14, 17, 18 | 3eqtr4i 2770 | . 2 ⊢ ((-1 ·ℎ 𝐴) +ℎ (-1 ·ℎ (-1 ·ℎ 𝐵))) = (𝐵 −ℎ 𝐴) |
| 20 | 4, 7, 19 | 3eqtri 2764 | 1 ⊢ (-1 ·ℎ (𝐴 −ℎ 𝐵)) = (𝐵 −ℎ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 (class class class)co 7361 1c1 11033 · cmul 11037 -cneg 11372 ℋchba 31008 +ℎ cva 31009 ·ℎ csm 31010 −ℎ cmv 31014 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-hvcom 31090 ax-hfvmul 31094 ax-hvmulid 31095 ax-hvmulass 31096 ax-hvdistr1 31097 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-po 5533 df-so 5534 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11175 df-mnf 11176 df-ltxr 11178 df-sub 11373 df-neg 11374 df-hvsub 31060 |
| This theorem is referenced by: hvnegdi 31156 hisubcomi 31193 normsubi 31230 normpar2i 31245 pjsslem 31768 pjcji 31773 |
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