(3steps total) PrintForm Definitions Lemmas mb tree Sections MarkB generic Doc
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At: tree leaf wf2 1

1. E : Type
2. x : E
  tree_leaf(x Tree(E)


By: Inst Thm* tree_con(E;Tree(E))  Tree(E) [] THEN Unfold `subtype` -1


Generated subgoal:

1 3. E:Type, x:tree_con(E;Tree(E)). x  Tree(E)
  tree_leaf(x Tree(E)

1 step

About:
universemembersubtype
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(3steps total) PrintForm Definitions Lemmas mb tree Sections MarkB generic Doc