Step of Proof: p-mu_wf 11,40

Inference at * 
Iof proof for Lemma p-mu wf:


  P:(), x:( + Top). p-mu(P;x  
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 by (Unfold `p-mu` ( 0)
CollapseTHEN (Auto) 
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C.


Definitionsp-mu(P;x), , case b of inl(x) => s(x) | inr(y) => t(y), x:A  B(x), #$n, {i..j}, {x:AB(x)} , i  j < k, P & Q, A  B, A, b, x:AB(x), f(a), left + right, Type, Top, x:AB(x), , t  T,
Lemmasint seg wf, le wf, not wf, assert wf, top wf, nat wf, bool wf

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