Users' Mathboxes Mathbox for Norm Megill < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  islsati Structured version   Visualization version   GIF version

Theorem islsati 34281
Description: A 1-dim subspace (atom) (of a left module or left vector space) equals the span of some vector. (Contributed by NM, 1-Oct-2014.)
Hypotheses
Ref Expression
islsati.v 𝑉 = (Base‘𝑊)
islsati.n 𝑁 = (LSpan‘𝑊)
islsati.a 𝐴 = (LSAtoms‘𝑊)
Assertion
Ref Expression
islsati ((𝑊𝑋𝑈𝐴) → ∃𝑣𝑉 𝑈 = (𝑁‘{𝑣}))
Distinct variable groups:   𝑣,𝑁   𝑣,𝑈   𝑣,𝑉   𝑣,𝑊   𝑣,𝑋
Allowed substitution hint:   𝐴(𝑣)

Proof of Theorem islsati
StepHypRef Expression
1 difss 3737 . 2 (𝑉 ∖ {(0g𝑊)}) ⊆ 𝑉
2 islsati.v . . . 4 𝑉 = (Base‘𝑊)
3 islsati.n . . . 4 𝑁 = (LSpan‘𝑊)
4 eqid 2622 . . . 4 (0g𝑊) = (0g𝑊)
5 islsati.a . . . 4 𝐴 = (LSAtoms‘𝑊)
62, 3, 4, 5islsat 34278 . . 3 (𝑊𝑋 → (𝑈𝐴 ↔ ∃𝑣 ∈ (𝑉 ∖ {(0g𝑊)})𝑈 = (𝑁‘{𝑣})))
76biimpa 501 . 2 ((𝑊𝑋𝑈𝐴) → ∃𝑣 ∈ (𝑉 ∖ {(0g𝑊)})𝑈 = (𝑁‘{𝑣}))
8 ssrexv 3667 . 2 ((𝑉 ∖ {(0g𝑊)}) ⊆ 𝑉 → (∃𝑣 ∈ (𝑉 ∖ {(0g𝑊)})𝑈 = (𝑁‘{𝑣}) → ∃𝑣𝑉 𝑈 = (𝑁‘{𝑣})))
91, 7, 8mpsyl 68 1 ((𝑊𝑋𝑈𝐴) → ∃𝑣𝑉 𝑈 = (𝑁‘{𝑣}))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 384   = wceq 1483  wcel 1990  wrex 2913  cdif 3571  wss 3574  {csn 4177  cfv 5888  Basecbs 15857  0gc0g 16100  LSpanclspn 18971  LSAtomsclsa 34261
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-fv 5896  df-lsatoms 34263
This theorem is referenced by:  lsmsatcv  34297  dihjat2  36720  dvh4dimlem  36732  lcfl8  36791  mapdval2N  36919  mapdspex  36957  hdmaprnlem16N  37154
  Copyright terms: Public domain W3C validator