Step
*
of Lemma
fps-compose-single-disjoint
∀[X:Type]
∀[eq:EqDecider(X)]. ∀[r:CRng]. ∀[x:X]. ∀[v:bag(X)].
((¬x ↓∈ v)
⇒ (∀[f:PowerSeries(X;r)]. (<v>(x:=f) = <v> ∈ PowerSeries(X;r))))
supposing valueall-type(X)
BY
{ xxx(Auto THEN BagInd (-3) THEN Auto)xxx }
1
1. X : Type
2. valueall-type(X)
3. eq : EqDecider(X)
4. r : CRng
5. x : X
6. f : PowerSeries(X;r)
7. ¬x ↓∈ []
⊢ <[]>(x:=f) = <[]> ∈ PowerSeries(X;r)
2
1. X : Type
2. valueall-type(X)
3. eq : EqDecider(X)
4. r : CRng
5. x : X
6. f : PowerSeries(X;r)
7. u : X
8. v : X List
9. (¬x ↓∈ v)
⇒ (<v>(x:=f) = <v> ∈ PowerSeries(X;r))
10. ¬x ↓∈ [u / v]
⊢ <[u / v]>(x:=f) = <[u / v]> ∈ PowerSeries(X;r)
Latex:
Latex:
\mforall{}[X:Type]
\mforall{}[eq:EqDecider(X)]. \mforall{}[r:CRng]. \mforall{}[x:X]. \mforall{}[v:bag(X)].
((\mneg{}x \mdownarrow{}\mmember{} v) {}\mRightarrow{} (\mforall{}[f:PowerSeries(X;r)]. (<v>(x:=f) = <v>)))
supposing valueall-type(X)
By
Latex:
xxx(Auto THEN BagInd (-3) THEN Auto)xxx
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