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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 31622 | . . 3 ⊢ (𝐴 −ℎ 𝐵) = (𝐴 +ℎ ( -1 ·ℎ 𝐵)) |
| 4 | 3 | oveq2i 7431 | . 2 ⊢ ( -1 ·ℎ (𝐴 −ℎ 𝐵)) = ( -1 ·ℎ (𝐴 +ℎ ( -1 ·ℎ 𝐵))) |
| 5 | neg1cn 12305 | . . 3 ⊢ -1 ∈ ℂ | |
| 6 | 5, 2 | hvmulcli 31616 | . . 3 ⊢ ( -1 ·ℎ 𝐵) ∈ ℋ |
| 7 | 5, 1, 6 | hvdistr1i 31653 | . 2 ⊢ ( -1 ·ℎ (𝐴 +ℎ ( -1 ·ℎ 𝐵))) = (( -1 ·ℎ 𝐴) +ℎ ( -1 ·ℎ ( -1 ·ℎ 𝐵))) |
| 8 | neg1mulneg1e1 12558 | . . . . . 6 ⊢ ( -1 · -1) = 1 | |
| 9 | 8 | oveq1i 7430 | . . . . 5 ⊢ (( -1 · -1) ·ℎ 𝐵) = (1 ·ℎ 𝐵) |
| 10 | 5, 5, 2 | hvmulassi 31648 | . . . . 5 ⊢ (( -1 · -1) ·ℎ 𝐵) = ( -1 ·ℎ ( -1 ·ℎ 𝐵)) |
| 11 | ax-hvmulid 31608 | . . . . . 6 ⊢ (𝐵 ∈ ℋ → (1 ·ℎ 𝐵) = 𝐵) | |
| 12 | 2, 11 | ax-mp 5 | . . . . 5 ⊢ (1 ·ℎ 𝐵) = 𝐵 |
| 13 | 9, 10, 12 | 3eqtr3i 2792 | . . . 4 ⊢ ( -1 ·ℎ ( -1 ·ℎ 𝐵)) = 𝐵 |
| 14 | 13 | oveq1i 7430 | . . 3 ⊢ (( -1 ·ℎ ( -1 ·ℎ 𝐵)) +ℎ ( -1 ·ℎ 𝐴)) = (𝐵 +ℎ ( -1 ·ℎ 𝐴)) |
| 15 | 5, 1 | hvmulcli 31616 | . . . 4 ⊢ ( -1 ·ℎ 𝐴) ∈ ℋ |
| 16 | 5, 6 | hvmulcli 31616 | . . . 4 ⊢ ( -1 ·ℎ ( -1 ·ℎ 𝐵)) ∈ ℋ |
| 17 | 15, 16 | hvcomi 31621 | . . 3 ⊢ (( -1 ·ℎ 𝐴) +ℎ ( -1 ·ℎ ( -1 ·ℎ 𝐵))) = (( -1 ·ℎ ( -1 ·ℎ 𝐵)) +ℎ ( -1 ·ℎ 𝐴)) |
| 18 | 2, 1 | hvsubvali 31622 | . . 3 ⊢ (𝐵 −ℎ 𝐴) = (𝐵 +ℎ ( -1 ·ℎ 𝐴)) |
| 19 | 14, 17, 18 | 3eqtr4i 2794 | . 2 ⊢ (( -1 ·ℎ 𝐴) +ℎ ( -1 ·ℎ ( -1 ·ℎ 𝐵))) = (𝐵 −ℎ 𝐴) |
| 20 | 4, 7, 19 | 3eqtri 2788 | 1 ⊢ ( -1 ·ℎ (𝐴 −ℎ 𝐵)) = (𝐵 −ℎ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 (class class class)co 7420 1c1 11201 · cmul 11205 -cneg 11542 ℋchba 31521 +ℎ cva 31522 ·ℎ csm 31523 −ℎ cmv 31527 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-hvcom 31603 ax-hfvmul 31607 ax-hvmulid 31608 ax-hvmulass 31609 ax-hvdistr1 31610 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-ltxr 11348 df-sub 11543 df-neg 11544 df-hvsub 31573 |
| This theorem is used by: hvnegdi 31669 hisubcomi 31706 normsubi 31743 normpar2i 31758 pjsslem 32281 pjcji 32286 |
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