Step
*
1
of Lemma
implies-vs-subspace
1. K : Rng
2. vs : VectorSpace(K)
3. [P] : Point(vs) ⟶ ℙ
4. P[0]
5. ∀x,y:Point(vs). (P[x]
⇒ P[y]
⇒ (∀k:|K|. P[k * x + y]))
6. x : Point(vs)
7. y : Point(vs)
8. P[x]
9. P[y]
⊢ P[x + y]
BY
{ (InstHyp [⌜x⌝;⌜y⌝;⌜1⌝] 5⋅ THEN Auto) }
Latex:
Latex:
1. K : Rng
2. vs : VectorSpace(K)
3. [P] : Point(vs) {}\mrightarrow{} \mBbbP{}
4. P[0]
5. \mforall{}x,y:Point(vs). (P[x] {}\mRightarrow{} P[y] {}\mRightarrow{} (\mforall{}k:|K|. P[k * x + y]))
6. x : Point(vs)
7. y : Point(vs)
8. P[x]
9. P[y]
\mvdash{} P[x + y]
By
Latex:
(InstHyp [\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}1\mkleeneclose{}] 5\mcdot{} THEN Auto)
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