MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  vcz Structured version   Visualization version   GIF version

Theorem vcz 26619
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.)
Hypotheses
Ref Expression
vc0.1 𝐺 = (1st𝑊)
vc0.2 𝑆 = (2nd𝑊)
vc0.3 𝑋 = ran 𝐺
vc0.4 𝑍 = (GId‘𝐺)
Assertion
Ref Expression
vcz ((𝑊 ∈ CVecOLD𝐴 ∈ ℂ) → (𝐴𝑆𝑍) = 𝑍)

Proof of Theorem vcz
StepHypRef Expression
1 vc0.1 . . . . . 6 𝐺 = (1st𝑊)
2 vc0.3 . . . . . 6 𝑋 = ran 𝐺
3 vc0.4 . . . . . 6 𝑍 = (GId‘𝐺)
41, 2, 3vczcl 26615 . . . . 5 (𝑊 ∈ CVecOLD𝑍𝑋)
54anim2i 590 . . . 4 ((𝐴 ∈ ℂ ∧ 𝑊 ∈ CVecOLD) → (𝐴 ∈ ℂ ∧ 𝑍𝑋))
65ancoms 467 . . 3 ((𝑊 ∈ CVecOLD𝐴 ∈ ℂ) → (𝐴 ∈ ℂ ∧ 𝑍𝑋))
7 0cn 9889 . . . 4 0 ∈ ℂ
8 vc0.2 . . . . 5 𝑆 = (2nd𝑊)
91, 8, 2vcass 26603 . . . 4 ((𝑊 ∈ CVecOLD ∧ (𝐴 ∈ ℂ ∧ 0 ∈ ℂ ∧ 𝑍𝑋)) → ((𝐴 · 0)𝑆𝑍) = (𝐴𝑆(0𝑆𝑍)))
107, 9mp3anr2 1413 . . 3 ((𝑊 ∈ CVecOLD ∧ (𝐴 ∈ ℂ ∧ 𝑍𝑋)) → ((𝐴 · 0)𝑆𝑍) = (𝐴𝑆(0𝑆𝑍)))
116, 10syldan 485 . 2 ((𝑊 ∈ CVecOLD𝐴 ∈ ℂ) → ((𝐴 · 0)𝑆𝑍) = (𝐴𝑆(0𝑆𝑍)))
12 mul01 10067 . . . 4 (𝐴 ∈ ℂ → (𝐴 · 0) = 0)
1312oveq1d 6542 . . 3 (𝐴 ∈ ℂ → ((𝐴 · 0)𝑆𝑍) = (0𝑆𝑍))
141, 8, 2, 3vc0 26618 . . . 4 ((𝑊 ∈ CVecOLD𝑍𝑋) → (0𝑆𝑍) = 𝑍)
154, 14mpdan 698 . . 3 (𝑊 ∈ CVecOLD → (0𝑆𝑍) = 𝑍)
1613, 15sylan9eqr 2665 . 2 ((𝑊 ∈ CVecOLD𝐴 ∈ ℂ) → ((𝐴 · 0)𝑆𝑍) = 𝑍)
1715oveq2d 6543 . . 3 (𝑊 ∈ CVecOLD → (𝐴𝑆(0𝑆𝑍)) = (𝐴𝑆𝑍))
1817adantr 479 . 2 ((𝑊 ∈ CVecOLD𝐴 ∈ ℂ) → (𝐴𝑆(0𝑆𝑍)) = (𝐴𝑆𝑍))
1911, 16, 183eqtr3rd 2652 1 ((𝑊 ∈ CVecOLD𝐴 ∈ ℂ) → (𝐴𝑆𝑍) = 𝑍)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 382   = wceq 1474  wcel 1976  ran crn 5029  cfv 5790  (class class class)co 6527  1st c1st 7035  2nd c2nd 7036  cc 9791  0cc0 9793   · cmul 9798  GIdcgi 26522  CVecOLDcvc 26594
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1712  ax-4 1727  ax-5 1826  ax-6 1874  ax-7 1921  ax-8 1978  ax-9 1985  ax-10 2005  ax-11 2020  ax-12 2033  ax-13 2233  ax-ext 2589  ax-rep 4693  ax-sep 4703  ax-nul 4712  ax-pow 4764  ax-pr 4828  ax-un 6825  ax-resscn 9850  ax-1cn 9851  ax-icn 9852  ax-addcl 9853  ax-addrcl 9854  ax-mulcl 9855  ax-mulrcl 9856  ax-mulcom 9857  ax-addass 9858  ax-mulass 9859  ax-distr 9860  ax-i2m1 9861  ax-1ne0 9862  ax-1rid 9863  ax-rnegex 9864  ax-rrecex 9865  ax-cnre 9866  ax-pre-lttri 9867  ax-pre-lttrn 9868  ax-pre-ltadd 9869
This theorem depends on definitions:  df-bi 195  df-or 383  df-an 384  df-3or 1031  df-3an 1032  df-tru 1477  df-ex 1695  df-nf 1700  df-sb 1867  df-eu 2461  df-mo 2462  df-clab 2596  df-cleq 2602  df-clel 2605  df-nfc 2739  df-ne 2781  df-nel 2782  df-ral 2900  df-rex 2901  df-reu 2902  df-rab 2904  df-v 3174  df-sbc 3402  df-csb 3499  df-dif 3542  df-un 3544  df-in 3546  df-ss 3553  df-nul 3874  df-if 4036  df-pw 4109  df-sn 4125  df-pr 4127  df-op 4131  df-uni 4367  df-iun 4451  df-br 4578  df-opab 4638  df-mpt 4639  df-id 4943  df-po 4949  df-so 4950  df-xp 5034  df-rel 5035  df-cnv 5036  df-co 5037  df-dm 5038  df-rn 5039  df-res 5040  df-ima 5041  df-iota 5754  df-fun 5792  df-fn 5793  df-f 5794  df-f1 5795  df-fo 5796  df-f1o 5797  df-fv 5798  df-riota 6489  df-ov 6530  df-1st 7037  df-2nd 7038  df-er 7607  df-en 7820  df-dom 7821  df-sdom 7822  df-pnf 9933  df-mnf 9934  df-ltxr 9936  df-grpo 26525  df-gid 26526  df-ginv 26527  df-ablo 26580  df-vc 26595
This theorem is referenced by:  vcoprneOLD  26628  nvsz  26691
  Copyright terms: Public domain W3C validator