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Mirrors > Home > MPE Home > Th. List > vcz | Structured version Visualization version GIF version |
Description: Anything times the zero vector is the zero vector. Equation 1b of [Kreyszig] p. 51. (Contributed by NM, 24-Nov-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
vc0.1 | ⊢ 𝐺 = (1st ‘𝑊) |
vc0.2 | ⊢ 𝑆 = (2nd ‘𝑊) |
vc0.3 | ⊢ 𝑋 = ran 𝐺 |
vc0.4 | ⊢ 𝑍 = (GId‘𝐺) |
Ref | Expression |
---|---|
vcz | ⊢ ((𝑊 ∈ CVecOLD ∧ 𝐴 ∈ ℂ) → (𝐴𝑆𝑍) = 𝑍) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vc0.1 | . . . . . 6 ⊢ 𝐺 = (1st ‘𝑊) | |
2 | vc0.3 | . . . . . 6 ⊢ 𝑋 = ran 𝐺 | |
3 | vc0.4 | . . . . . 6 ⊢ 𝑍 = (GId‘𝐺) | |
4 | 1, 2, 3 | vczcl 28351 | . . . . 5 ⊢ (𝑊 ∈ CVecOLD → 𝑍 ∈ 𝑋) |
5 | 4 | anim2i 618 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑊 ∈ CVecOLD) → (𝐴 ∈ ℂ ∧ 𝑍 ∈ 𝑋)) |
6 | 5 | ancoms 461 | . . 3 ⊢ ((𝑊 ∈ CVecOLD ∧ 𝐴 ∈ ℂ) → (𝐴 ∈ ℂ ∧ 𝑍 ∈ 𝑋)) |
7 | 0cn 10635 | . . . 4 ⊢ 0 ∈ ℂ | |
8 | vc0.2 | . . . . 5 ⊢ 𝑆 = (2nd ‘𝑊) | |
9 | 1, 8, 2 | vcass 28346 | . . . 4 ⊢ ((𝑊 ∈ CVecOLD ∧ (𝐴 ∈ ℂ ∧ 0 ∈ ℂ ∧ 𝑍 ∈ 𝑋)) → ((𝐴 · 0)𝑆𝑍) = (𝐴𝑆(0𝑆𝑍))) |
10 | 7, 9 | mp3anr2 1455 | . . 3 ⊢ ((𝑊 ∈ CVecOLD ∧ (𝐴 ∈ ℂ ∧ 𝑍 ∈ 𝑋)) → ((𝐴 · 0)𝑆𝑍) = (𝐴𝑆(0𝑆𝑍))) |
11 | 6, 10 | syldan 593 | . 2 ⊢ ((𝑊 ∈ CVecOLD ∧ 𝐴 ∈ ℂ) → ((𝐴 · 0)𝑆𝑍) = (𝐴𝑆(0𝑆𝑍))) |
12 | mul01 10821 | . . . 4 ⊢ (𝐴 ∈ ℂ → (𝐴 · 0) = 0) | |
13 | 12 | oveq1d 7173 | . . 3 ⊢ (𝐴 ∈ ℂ → ((𝐴 · 0)𝑆𝑍) = (0𝑆𝑍)) |
14 | 1, 8, 2, 3 | vc0 28353 | . . . 4 ⊢ ((𝑊 ∈ CVecOLD ∧ 𝑍 ∈ 𝑋) → (0𝑆𝑍) = 𝑍) |
15 | 4, 14 | mpdan 685 | . . 3 ⊢ (𝑊 ∈ CVecOLD → (0𝑆𝑍) = 𝑍) |
16 | 13, 15 | sylan9eqr 2880 | . 2 ⊢ ((𝑊 ∈ CVecOLD ∧ 𝐴 ∈ ℂ) → ((𝐴 · 0)𝑆𝑍) = 𝑍) |
17 | 15 | oveq2d 7174 | . . 3 ⊢ (𝑊 ∈ CVecOLD → (𝐴𝑆(0𝑆𝑍)) = (𝐴𝑆𝑍)) |
18 | 17 | adantr 483 | . 2 ⊢ ((𝑊 ∈ CVecOLD ∧ 𝐴 ∈ ℂ) → (𝐴𝑆(0𝑆𝑍)) = (𝐴𝑆𝑍)) |
19 | 11, 16, 18 | 3eqtr3rd 2867 | 1 ⊢ ((𝑊 ∈ CVecOLD ∧ 𝐴 ∈ ℂ) → (𝐴𝑆𝑍) = 𝑍) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ran crn 5558 ‘cfv 6357 (class class class)co 7158 1st c1st 7689 2nd c2nd 7690 ℂcc 10537 0cc0 10539 · cmul 10544 GIdcgi 28269 CVecOLDcvc 28337 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-po 5476 df-so 5477 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-1st 7691 df-2nd 7692 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-ltxr 10682 df-grpo 28272 df-gid 28273 df-ginv 28274 df-ablo 28324 df-vc 28338 |
This theorem is referenced by: nvsz 28417 |
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