| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > hisubcomi | Structured version Visualization version GIF version | ||
| Description: Two vector subtractions simultaneously commute in an inner product. (Contributed by NM, 1-Jul-2005.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hisubcom.1 | ⊢ 𝐴 ∈ ℋ |
| hisubcom.2 | ⊢ 𝐵 ∈ ℋ |
| hisubcom.3 | ⊢ 𝐶 ∈ ℋ |
| hisubcom.4 | ⊢ 𝐷 ∈ ℋ |
| Ref | Expression |
|---|---|
| hisubcomi | ⊢ ((𝐴 −ℎ 𝐵) ·ih (𝐶 −ℎ 𝐷)) = ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hisubcom.2 | . . . 4 ⊢ 𝐵 ∈ ℋ | |
| 2 | hisubcom.1 | . . . 4 ⊢ 𝐴 ∈ ℋ | |
| 3 | 1, 2 | hvnegdii 31443 | . . 3 ⊢ (-1 ·ℎ (𝐵 −ℎ 𝐴)) = (𝐴 −ℎ 𝐵) |
| 4 | hisubcom.4 | . . . 4 ⊢ 𝐷 ∈ ℋ | |
| 5 | hisubcom.3 | . . . 4 ⊢ 𝐶 ∈ ℋ | |
| 6 | 4, 5 | hvnegdii 31443 | . . 3 ⊢ (-1 ·ℎ (𝐷 −ℎ 𝐶)) = (𝐶 −ℎ 𝐷) |
| 7 | 3, 6 | oveq12i 7428 | . 2 ⊢ ((-1 ·ℎ (𝐵 −ℎ 𝐴)) ·ih (-1 ·ℎ (𝐷 −ℎ 𝐶))) = ((𝐴 −ℎ 𝐵) ·ih (𝐶 −ℎ 𝐷)) |
| 8 | neg1cn 12214 | . . . 4 ⊢ -1 ∈ ℂ | |
| 9 | 1, 2 | hvsubcli 31402 | . . . 4 ⊢ (𝐵 −ℎ 𝐴) ∈ ℋ |
| 10 | 4, 5 | hvsubcli 31402 | . . . 4 ⊢ (𝐷 −ℎ 𝐶) ∈ ℋ |
| 11 | 8, 8, 9, 10 | his35i 31470 | . . 3 ⊢ ((-1 ·ℎ (𝐵 −ℎ 𝐴)) ·ih (-1 ·ℎ (𝐷 −ℎ 𝐶))) = ((-1 · (∗‘-1)) · ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶))) |
| 12 | neg1rr 12215 | . . . . . . 7 ⊢ -1 ∈ ℝ | |
| 13 | cjre 15209 | . . . . . . 7 ⊢ (-1 ∈ ℝ → (∗‘-1) = -1) | |
| 14 | 12, 13 | ax-mp 5 | . . . . . 6 ⊢ (∗‘-1) = -1 |
| 15 | 14 | oveq2i 7427 | . . . . 5 ⊢ (-1 · (∗‘-1)) = (-1 · -1) |
| 16 | ax-1cn 11169 | . . . . . 6 ⊢ 1 ∈ ℂ | |
| 17 | 16, 16 | mul2negi 11673 | . . . . 5 ⊢ (-1 · -1) = (1 · 1) |
| 18 | 1t1e1 12413 | . . . . 5 ⊢ (1 · 1) = 1 | |
| 19 | 15, 17, 18 | 3eqtri 2792 | . . . 4 ⊢ (-1 · (∗‘-1)) = 1 |
| 20 | 19 | oveq1i 7426 | . . 3 ⊢ ((-1 · (∗‘-1)) · ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶))) = (1 · ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶))) |
| 21 | 9, 10 | hicli 31462 | . . . 4 ⊢ ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶)) ∈ ℂ |
| 22 | 21 | mullidi 11225 | . . 3 ⊢ (1 · ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶))) = ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶)) |
| 23 | 11, 20, 22 | 3eqtri 2792 | . 2 ⊢ ((-1 ·ℎ (𝐵 −ℎ 𝐴)) ·ih (-1 ·ℎ (𝐷 −ℎ 𝐶))) = ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶)) |
| 24 | 7, 23 | eqtr3i 2790 | 1 ⊢ ((𝐴 −ℎ 𝐵) ·ih (𝐶 −ℎ 𝐷)) = ((𝐵 −ℎ 𝐴) ·ih (𝐷 −ℎ 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 ‘cfv 6540 (class class class)co 7416 ℝcr 11110 1c1 11112 · cmul 11116 -cneg 11453 ∗ccj 15166 ℋchba 31300 ·ℎ csm 31302 ·ih csp 31303 −ℎ cmv 31306 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 ax-pre-mulgt0 11188 ax-hfvadd 31381 ax-hvcom 31382 ax-hfvmul 31386 ax-hvmulid 31387 ax-hvmulass 31388 ax-hvdistr1 31389 ax-hfi 31460 ax-his1 31463 ax-his3 31465 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7865 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11454 df-neg 11455 df-div 11883 df-nn 12245 df-2 12314 df-cj 15169 df-re 15170 df-im 15171 df-hvsub 31352 |
| This theorem is used by: lnophmlem2 32398 |
| Copyright terms: Public domain | W3C validator |