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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 31313 | . . 3 ⊢ (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵)) |
| 4 | 3 | oveq2i 7422 | . 2 ⊢ (-1 ·ℎ (𝐴 −ℎ 𝐵)) = (-1 ·ℎ (𝐴 +ℎ (-1 ·ℎ 𝐵))) |
| 5 | neg1cn 12203 | . . 3 ⊢ -1 ∈ ℂ | |
| 6 | 5, 2 | hvmulcli 31307 | . . 3 ⊢ (-1 ·ℎ 𝐵) ∈ ℋ |
| 7 | 5, 1, 6 | hvdistr1i 31344 | . 2 ⊢ (-1 ·ℎ (𝐴 +ℎ (-1 ·ℎ 𝐵))) = ((-1 ·ℎ 𝐴) +ℎ (-1 ·ℎ (-1 ·ℎ 𝐵))) |
| 8 | neg1mulneg1e1 12456 | . . . . . 6 ⊢ (-1 · -1) = 1 | |
| 9 | 8 | oveq1i 7421 | . . . . 5 ⊢ ((-1 · -1) ·ℎ 𝐵) = (1 ·ℎ 𝐵) |
| 10 | 5, 5, 2 | hvmulassi 31339 | . . . . 5 ⊢ ((-1 · -1) ·ℎ 𝐵) = (-1 ·ℎ (-1 ·ℎ 𝐵)) |
| 11 | ax-hvmulid 31299 | . . . . . 6 ⊢ (𝐵 ∈ ℋ → (1 ·ℎ 𝐵) = 𝐵) | |
| 12 | 2, 11 | ax-mp 5 | . . . . 5 ⊢ (1 ·ℎ 𝐵) = 𝐵 |
| 13 | 9, 10, 12 | 3eqtr3i 2800 | . . . 4 ⊢ (-1 ·ℎ (-1 ·ℎ 𝐵)) = 𝐵 |
| 14 | 13 | oveq1i 7421 | . . 3 ⊢ ((-1 ·ℎ (-1 ·ℎ 𝐵)) +ℎ (-1 ·ℎ 𝐴)) = (𝐵 +ℎ (-1 ·ℎ 𝐴)) |
| 15 | 5, 1 | hvmulcli 31307 | . . . 4 ⊢ (-1 ·ℎ 𝐴) ∈ ℋ |
| 16 | 5, 6 | hvmulcli 31307 | . . . 4 ⊢ (-1 ·ℎ (-1 ·ℎ 𝐵)) ∈ ℋ |
| 17 | 15, 16 | hvcomi 31312 | . . 3 ⊢ ((-1 ·ℎ 𝐴) +ℎ (-1 ·ℎ (-1 ·ℎ 𝐵))) = ((-1 ·ℎ (-1 ·ℎ 𝐵)) +ℎ (-1 ·ℎ 𝐴)) |
| 18 | 2, 1 | hvsubvali 31313 | . . 3 ⊢ (𝐵 −ℎ 𝐴) = (𝐵 +ℎ (-1 ·ℎ 𝐴)) |
| 19 | 14, 17, 18 | 3eqtr4i 2802 | . 2 ⊢ ((-1 ·ℎ 𝐴) +ℎ (-1 ·ℎ (-1 ·ℎ 𝐵))) = (𝐵 −ℎ 𝐴) |
| 20 | 4, 7, 19 | 3eqtri 2796 | 1 ⊢ (-1 ·ℎ (𝐴 −ℎ 𝐵)) = (𝐵 −ℎ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 (class class class)co 7411 1c1 11101 · cmul 11105 -cneg 11442 ℋchba 31212 +ℎ cva 31213 ·ℎ csm 31214 −ℎ cmv 31218 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-hvcom 31294 ax-hfvmul 31298 ax-hvmulid 31299 ax-hvmulass 31300 ax-hvdistr1 31301 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-ltxr 11248 df-sub 11443 df-neg 11444 df-hvsub 31264 |
| This theorem is referenced by: hvnegdi 31360 hisubcomi 31397 normsubi 31434 normpar2i 31449 pjsslem 31972 pjcji 31977 |
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