Nuprl Lemma : btr_Node_wf

∀[left,right:binary-tree()].  (btr_Node(left;right) ∈ binary-tree())


Proof




Definitions occuring in Statement :  btr_Node: btr_Node(left;right),  binary-tree: binary-tree(),  uall: ∀[x:A]. B[x],  member: t ∈ T
Lemmas :  binary-treeco-ext,  binary-treeco_wf,  eq_atom_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_atom,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_atom,  add_nat_wf,  false_wf,  le_wf,  binary-tree_size_wf,  nat_wf,  value-type-has-value,  set-value-type,  int-value-type,  has-value_wf-partial,  binary-treeco_size_wf,  binary-tree_wf
\mforall{}[left,right:binary-tree()].    (btr\_Node(left;right)  \mmember{}  binary-tree())



Date html generated: 2015_07_17-AM-07_51_53
Last ObjectModification: 2015_01_27-AM-09_35_05

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