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Theorem nv0rid 31237
Description: The zero vector is a right identity element. (Contributed by NM, 28-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.)
Hypotheses
Ref Expression
nv0id.1 𝑋 = (BaseSet‘𝑈)
nv0id.2 𝐺 = ( +𝑣 ‘𝑈)
nv0id.6 𝑍 = (0vec‘𝑈)
Assertion
Ref Expression
nv0rid ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺𝑍) = 𝐴)

Proof of Theorem nv0rid
StepHypRef Expression
1 nv0id.2 . . . . 5 𝐺 = ( +𝑣 ‘𝑈)
2 nv0id.6 . . . . 5 𝑍 = (0vec‘𝑈)
31, 20vfval 31208 . . . 4 (𝑈 ∈ NrmCVec → 𝑍 = (GId‘𝐺))
43oveq2d 7436 . . 3 (𝑈 ∈ NrmCVec → (𝐴𝐺𝑍) = (𝐴𝐺(GId‘𝐺)))
54adantr 486 . 2 ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺𝑍) = (𝐴𝐺(GId‘𝐺)))
61nvgrp 31219 . . 3 (𝑈 ∈ NrmCVec → 𝐺 ∈ GrpOp)
7 nv0id.1 . . . . 5 𝑋 = (BaseSet‘𝑈)
87, 1bafval 31206 . . . 4 𝑋 = ran 𝐺
9 eqid 2760 . . . 4 (GId‘𝐺) = (GId‘𝐺)
108, 9grporid 31119 . . 3 ((𝐺 ∈ GrpOp ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺(GId‘𝐺)) = 𝐴)
116, 10sylan 592 . 2 ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺(GId‘𝐺)) = 𝐴)
125, 11eqtrd 2795 1 ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺𝑍) = 𝐴)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   = wceq 1569   ∈ wcel 2144  ‘cfv 6538  (class class class)co 7420  GrpOpcgr 31091  GIdcgi 31092  NrmCVeccnv 31186   +𝑣 cpv 31187  BaseSetcba 31188  0veccn0v 31190
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pr 5390  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  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-1st 8001  df-2nd 8002  df-grpo 31095  df-gid 31096  df-ablo 31147  df-vc 31161  df-nv 31194  df-va 31197  df-ba 31198  df-sm 31199  df-0v 31200  df-nmcv 31202
This theorem is used by:  nvabs  31274  nvnd  31290  imsmetlem  31292  lnomul  31362  0lno  31392  ipdirilem  31431  hladdid  31505
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