Step
*
1
of Lemma
fps-add-assoc
1. X : Type
2. r : CRng
3. f : PowerSeries(X;r)
4. g : PowerSeries(X;r)
5. h : PowerSeries(X;r)
6. IsRing(|r|;+r;0;-r;*;1)
⊢ ((f+g)+h) = (f+(g+h)) ∈ PowerSeries(X;r)
BY
{ (BLemma `fps-ext` THEN Auto THEN RepUR ``fps-add fps-coeff`` 0 THEN Fold `infix_ap` 0 THEN Fold `fps-coeff` 0)⋅ }
1
1. X : Type
2. r : CRng
3. f : PowerSeries(X;r)
4. g : PowerSeries(X;r)
5. h : PowerSeries(X;r)
6. IsRing(|r|;+r;0;-r;*;1)
7. b : bag(X)
⊢ ((f[b] +r g[b]) +r h[b]) = (f[b] +r (g[b] +r h[b])) ∈ |r|
Latex:
Latex:
1. X : Type
2. r : CRng
3. f : PowerSeries(X;r)
4. g : PowerSeries(X;r)
5. h : PowerSeries(X;r)
6. IsRing(|r|;+r;0;-r;*;1)
\mvdash{} ((f+g)+h) = (f+(g+h))
By
Latex:
(BLemma `fps-ext`
THEN Auto
THEN RepUR ``fps-add fps-coeff`` 0
THEN Fold `infix\_ap` 0
THEN Fold `fps-coeff` 0)\mcdot{}
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