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

Theorem lsmelvalx 18275
Description: Subspace sum membership (for a group or vector space). Extended domain version of lsmelval 18284. (Contributed by NM, 28-Jan-2014.) (Revised by Mario Carneiro, 19-Apr-2016.)
Hypotheses
Ref Expression
lsmfval.v 𝐵 = (Base‘𝐺)
lsmfval.a + = (+g𝐺)
lsmfval.s = (LSSum‘𝐺)
Assertion
Ref Expression
lsmelvalx ((𝐺𝑉𝑇𝐵𝑈𝐵) → (𝑋 ∈ (𝑇 𝑈) ↔ ∃𝑦𝑇𝑧𝑈 𝑋 = (𝑦 + 𝑧)))
Distinct variable groups:   𝑦,𝑧, +   𝑦,𝐵,𝑧   𝑦,𝑇,𝑧   𝑦,𝑋,𝑧   𝑦,𝐺,𝑧   𝑦,𝑈,𝑧
Allowed substitution hints:   (𝑦,𝑧)   𝑉(𝑦,𝑧)

Proof of Theorem lsmelvalx
StepHypRef Expression
1 lsmfval.v . . . 4 𝐵 = (Base‘𝐺)
2 lsmfval.a . . . 4 + = (+g𝐺)
3 lsmfval.s . . . 4 = (LSSum‘𝐺)
41, 2, 3lsmvalx 18274 . . 3 ((𝐺𝑉𝑇𝐵𝑈𝐵) → (𝑇 𝑈) = ran (𝑦𝑇, 𝑧𝑈 ↦ (𝑦 + 𝑧)))
54eleq2d 2825 . 2 ((𝐺𝑉𝑇𝐵𝑈𝐵) → (𝑋 ∈ (𝑇 𝑈) ↔ 𝑋 ∈ ran (𝑦𝑇, 𝑧𝑈 ↦ (𝑦 + 𝑧))))
6 eqid 2760 . . 3 (𝑦𝑇, 𝑧𝑈 ↦ (𝑦 + 𝑧)) = (𝑦𝑇, 𝑧𝑈 ↦ (𝑦 + 𝑧))
7 ovex 6842 . . 3 (𝑦 + 𝑧) ∈ V
86, 7elrnmpt2 6939 . 2 (𝑋 ∈ ran (𝑦𝑇, 𝑧𝑈 ↦ (𝑦 + 𝑧)) ↔ ∃𝑦𝑇𝑧𝑈 𝑋 = (𝑦 + 𝑧))
95, 8syl6bb 276 1 ((𝐺𝑉𝑇𝐵𝑈𝐵) → (𝑋 ∈ (𝑇 𝑈) ↔ ∃𝑦𝑇𝑧𝑈 𝑋 = (𝑦 + 𝑧)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  w3a 1072   = wceq 1632  wcel 2139  wrex 3051  wss 3715  ran crn 5267  cfv 6049  (class class class)co 6814  cmpt2 6816  Basecbs 16079  +gcplusg 16163  LSSumclsm 18269
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-8 2141  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-rep 4923  ax-sep 4933  ax-nul 4941  ax-pow 4992  ax-pr 5055  ax-un 7115
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1074  df-tru 1635  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ne 2933  df-ral 3055  df-rex 3056  df-reu 3057  df-rab 3059  df-v 3342  df-sbc 3577  df-csb 3675  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-nul 4059  df-if 4231  df-pw 4304  df-sn 4322  df-pr 4324  df-op 4328  df-uni 4589  df-iun 4674  df-br 4805  df-opab 4865  df-mpt 4882  df-id 5174  df-xp 5272  df-rel 5273  df-cnv 5274  df-co 5275  df-dm 5276  df-rn 5277  df-res 5278  df-ima 5279  df-iota 6012  df-fun 6051  df-fn 6052  df-f 6053  df-f1 6054  df-fo 6055  df-f1o 6056  df-fv 6057  df-ov 6817  df-oprab 6818  df-mpt2 6819  df-1st 7334  df-2nd 7335  df-lsm 18271
This theorem is referenced by:  lsmelvalix  18276  lsmless1x  18279  lsmless2x  18280  lsmelval  18284  lsmsubm  18288  lsmass  18303  lsmcomx  18479  lsmcss  20258
  Copyright terms: Public domain W3C validator