Step * 1 1 of Lemma outr-or-class


1. Type
2. Type
3. bag(B)@i
4. v1 bag(A)@i
⊢ bag-map(λx.outr(x);[x∈bag-merge(v1;v)|¬bisl(x)]) v ∈ bag(B)
BY
Subst ⌜bag-map(λx.outr(x);[x∈bag-merge(v1;v)|¬bisl(x)]) snd(bag-separate(bag-merge(v1;v)))⌝ 0⋅ }

1
.....equality..... 
1. Type
2. Type
3. bag(B)@i
4. v1 bag(A)@i
⊢ bag-map(λx.outr(x);[x∈bag-merge(v1;v)|¬bisl(x)]) snd(bag-separate(bag-merge(v1;v)))

2
1. Type
2. Type
3. bag(B)@i
4. v1 bag(A)@i
⊢ (snd(bag-separate(bag-merge(v1;v)))) v ∈ bag(B)


Latex:


Latex:

1.  A  :  Type
2.  B  :  Type
3.  v  :  bag(B)@i
4.  v1  :  bag(A)@i
\mvdash{}  bag-map(\mlambda{}x.outr(x);[x\mmember{}bag-merge(v1;v)|\mneg{}\msubb{}isl(x)])  =  v


By


Latex:
Subst  \mkleeneopen{}bag-map(\mlambda{}x.outr(x);[x\mmember{}bag-merge(v1;v)|\mneg{}\msubb{}isl(x)])  \msim{}  snd(bag-separate(bag-merge(v1;v)))\mkleeneclose{}  0\mcdot{}




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