Step
*
2
of Lemma
vs-iso-iff-kernel-0
1. [K] : Rng
2. [A] : VectorSpace(K)
3. [B] : VectorSpace(K)
4. ∃f:A ⟶ B. ((∀a:Point(A). (a ∈ Ker(f)
⇐⇒ a = 0 ∈ Point(A))) ∧ Surj(Point(A);Point(B);f))
⊢ A ≅ B
BY
{ ExRepD }
1
1. [K] : Rng
2. [A] : VectorSpace(K)
3. [B] : VectorSpace(K)
4. f : A ⟶ B
5. ∀a:Point(A). (a ∈ Ker(f)
⇐⇒ a = 0 ∈ Point(A))
6. Surj(Point(A);Point(B);f)
⊢ A ≅ B
Latex:
Latex:
1. [K] : Rng
2. [A] : VectorSpace(K)
3. [B] : VectorSpace(K)
4. \mexists{}f:A {}\mrightarrow{} B. ((\mforall{}a:Point(A). (a \mmember{} Ker(f) \mLeftarrow{}{}\mRightarrow{} a = 0)) \mwedge{} Surj(Point(A);Point(B);f))
\mvdash{} A \mcong{} B
By
Latex:
ExRepD
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