Step
*
1
1
1
1
of Lemma
bag-member-parts'
1. T : Type
2. valueall-type(T)
3. eq : EqDecider(T)
4. x : T
5. bs : bag(T)
6. L : bag(T) List+
7. bs = {} ∈ bag(T)
8. bs ~ {}
9. L = [{}] ∈ bag(T) List+
⊢ ¬x ↓∈ hd(L)
BY
{ (RepeatFor 2 ((DVar `L' THENA Auto)) THEN All Reduce THEN Auto THEN EqTypeHD (-1) THEN Auto) }
1
1. T : Type
2. valueall-type(T)
3. eq : EqDecider(T)
4. x : T
5. bs : bag(T)
6. u : bag(T)
7. v : bag(T) List
8. (||v|| + 1) ≥ 1
9. bs = {} ∈ bag(T)
10. bs ~ {}
11. [u / v] = [{}] ∈ (bag(T) List)
12. ||[u / v]|| ≥ 1
⊢ ¬x ↓∈ u
Latex:
Latex:
1. T : Type
2. valueall-type(T)
3. eq : EqDecider(T)
4. x : T
5. bs : bag(T)
6. L : bag(T) List\msupplus{}
7. bs = \{\}
8. bs \msim{} \{\}
9. L = [\{\}]
\mvdash{} \mneg{}x \mdownarrow{}\mmember{} hd(L)
By
Latex:
(RepeatFor 2 ((DVar `L' THENA Auto)) THEN All Reduce THEN Auto THEN EqTypeHD (-1) THEN Auto)
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