Step of Proof: dcdr-to-bool_wf 11,40

Inference at * 
Iof proof for Lemma dcdr-to-bool wf:


  P:d:Dec(P). [d]   
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 by (RepUR ``dcdr-to-bool bool decidable`` ( 0)
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C.


DefinitionsDec(P), , [d], case b of inl(x) => s(x) | inr(y) => t(y), inl x , inr x , , Unit, P  Q, left + right, A, x:AB(x), t  T, , Type
Lemmasit wf, unit wf, not wf

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