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Theorem bj-isvec 35458
Description: The predicate "is a vector space". (Contributed by BJ, 6-Jan-2024.)
Hypothesis
Ref Expression
bj-isvec.scal (𝜑𝐾 = (Scalar‘𝑉))
Assertion
Ref Expression
bj-isvec (𝜑 → (𝑉 ∈ LVec ↔ (𝑉 ∈ LMod ∧ 𝐾 ∈ DivRing)))

Proof of Theorem bj-isvec
StepHypRef Expression
1 eqid 2738 . . 3 (Scalar‘𝑉) = (Scalar‘𝑉)
21islvec 20366 . 2 (𝑉 ∈ LVec ↔ (𝑉 ∈ LMod ∧ (Scalar‘𝑉) ∈ DivRing))
3 bj-isvec.scal . . . . 5 (𝜑𝐾 = (Scalar‘𝑉))
43eqcomd 2744 . . . 4 (𝜑 → (Scalar‘𝑉) = 𝐾)
54eleq1d 2823 . . 3 (𝜑 → ((Scalar‘𝑉) ∈ DivRing ↔ 𝐾 ∈ DivRing))
65anbi2d 629 . 2 (𝜑 → ((𝑉 ∈ LMod ∧ (Scalar‘𝑉) ∈ DivRing) ↔ (𝑉 ∈ LMod ∧ 𝐾 ∈ DivRing)))
72, 6syl5bb 283 1 (𝜑 → (𝑉 ∈ LVec ↔ (𝑉 ∈ LMod ∧ 𝐾 ∈ DivRing)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 396   = wceq 1539  wcel 2106  cfv 6433  Scalarcsca 16965  DivRingcdr 19991  LModclmod 20123  LVecclvec 20364
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-ext 2709
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-sb 2068  df-clab 2716  df-cleq 2730  df-clel 2816  df-rab 3073  df-v 3434  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-br 5075  df-iota 6391  df-fv 6441  df-lvec 20365
This theorem is referenced by:  bj-rvecvec  35470
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