Step
*
of Lemma
altWind_wf
∀[A:𝕌']. ∀[B:A ⟶ Type]. ∀[P:altW(A;a.B[a]) ⟶ ℙ]. ∀[h:∀w:altW(A;a.B[a])
((∀b:coW-dom(a.B[a];w). P[altW-item(w;b)])
⇒ P[w])].
∀[w:altW(A;a.B[a])].
(altWind(h;w) ∈ P[w])
BY
{ Auto }
1
1. A : 𝕌'
2. B : A ⟶ Type
3. P : altW(A;a.B[a]) ⟶ ℙ
4. h : ∀w:altW(A;a.B[a]). ((∀b:coW-dom(a.B[a];w). P[altW-item(w;b)])
⇒ P[w])
5. w : altW(A;a.B[a])
⊢ altWind(h;w) ∈ P[w]
Latex:
Latex:
\mforall{}[A:\mBbbU{}']. \mforall{}[B:A {}\mrightarrow{} Type]. \mforall{}[P:altW(A;a.B[a]) {}\mrightarrow{} \mBbbP{}]. \mforall{}[h:\mforall{}w:altW(A;a.B[a])
((\mforall{}b:coW-dom(a.B[a];w). P[altW-item(w;b)])
{}\mRightarrow{} P[w])]. \mforall{}[w:altW(A;a.B[a])].
(altWind(h;w) \mmember{} P[w])
By
Latex:
Auto
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