Step
*
1
1
of Lemma
norm-list_wf
1. T : Type
2. value-type(T)
3. N : id-fun(T)
4. u : T
5. v : T List
6. norm-list(N) v ∈ {y:T List| v = y ∈ (T List)}
⊢ [u / v] = [N u / (norm-list(N) v)] ∈ (T List)
BY
{ (EqCD THEN Auto THEN (GenConclAtAddr [3] THEN D -2 THEN Auto)⋅) }
Latex:
Latex:
1. T : Type
2. value-type(T)
3. N : id-fun(T)
4. u : T
5. v : T List
6. norm-list(N) v \mmember{} \{y:T List| v = y\}
\mvdash{} [u / v] = [N u / (norm-list(N) v)]
By
Latex:
(EqCD THEN Auto THEN (GenConclAtAddr [3] THEN D -2 THEN Auto)\mcdot{})
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