Theorem nvzcl 28417

Description: Closure law for the zero vector of a normed complex vector space. (Contributed by NM, 27-Nov-2007.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.)

Hypotheses

Ref	Expression
nvzcl.1	⊢ 𝑋 = (BaseSet‘𝑈)
nvzcl.6	⊢ 𝑍 = (0vec‘𝑈)

Assertion

Ref	Expression
nvzcl	⊢ (𝑈 ∈ NrmCVec → 𝑍 ∈ 𝑋)

Proof of Theorem nvzcl

Step	Hyp	Ref	Expression
1		eqid 2798	. . 3 ⊢ ( +𝑣 ‘𝑈) = ( +𝑣 ‘𝑈)
2		nvzcl.6	. . 3 ⊢ 𝑍 = (0vec‘𝑈)
3	1, 2	0vfval 28389	. 2 ⊢ (𝑈 ∈ NrmCVec → 𝑍 = (GId‘( +𝑣 ‘𝑈)))
4	1	nvgrp 28400	. . 3 ⊢ (𝑈 ∈ NrmCVec → ( +𝑣 ‘𝑈) ∈ GrpOp)
5		nvzcl.1	. . . . 5 ⊢ 𝑋 = (BaseSet‘𝑈)
6	5, 1	bafval 28387	. . . 4 ⊢ 𝑋 = ran ( +𝑣 ‘𝑈)
7		eqid 2798	. . . 4 ⊢ (GId‘( +𝑣 ‘𝑈)) = (GId‘( +𝑣 ‘𝑈))
8	6, 7	grpoidcl 28297	. . 3 ⊢ (( +𝑣 ‘𝑈) ∈ GrpOp → (GId‘( +𝑣 ‘𝑈)) ∈ 𝑋)
9	4, 8	syl 17	. 2 ⊢ (𝑈 ∈ NrmCVec → (GId‘( +𝑣 ‘𝑈)) ∈ 𝑋)
10	3, 9	eqeltrd 2890	1 ⊢ (𝑈 ∈ NrmCVec → 𝑍 ∈ 𝑋)

Syntax hints:   → wi 4   = wceq 1538   ∈ wcel 2111  ‘cfv 6324  GrpOpcgr 28272  GIdcgi 28273  NrmCVeccnv 28367   +_𝑣 cpv 28368  BaseSetcba 28369  0_veccn0v 28371

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-rep 5154  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-ral 3111  df-rex 3112  df-reu 3113  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-f1 6329  df-fo 6330  df-f1o 6331  df-fv 6332  df-riota 7093  df-ov 7138  df-oprab 7139  df-1st 7671  df-2nd 7672  df-grpo 28276  df-gid 28277  df-ablo 28328  df-vc 28342  df-nv 28375  df-va 28378  df-ba 28379  df-sm 28380  df-0v 28381  df-nmcv 28383

This theorem is referenced by:  nvmeq0  28441  nvz0  28451  elimnv  28466  nvnd  28471  imsmetlem  28473  dip0r  28500  dip0l  28501  sspz  28518  lno0  28539  lnomul  28543  nvo00  28544  nmosetn0  28548  nmooge0  28550  0oo  28572  0lno  28573  nmoo0  28574  blocni  28588  ubthlem1  28653  minvecolem1  28657  hl0cl  28685  hhshsslem2  29051