Nuprl Lemma : MTree_Leaf_wf

∀[T:Type]. ∀[val:T].  (MTree_Leaf(val) ∈ MultiTree(T))


Proof




Definitions occuring in Statement :  MTree_Leaf: MTree_Leaf(val),  MultiTree: MultiTree(T),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  MultiTree: MultiTree(T),  MTree_Leaf: MTree_Leaf(val),  eq_atom: x =a y,  ifthenelse: if b then t else f fi ,  bfalse: ff,  btrue: tt,  prop: ℙ,  subtype_rel: A ⊆r B,  ext-eq: A ≡ B,  and: P ∧ Q,  MultiTreeco_size: MultiTreeco_size(p),  has-value: (a)↓,  nat: ℕ,  le: A ≤ B,  less_than': less_than'(a;b),  false: False,  not: ¬A,  implies: P ⇒ Q,  all: ∀x:A. B[x],  so_lambda: λ2x.t[x],  so_apply: x[s],  uimplies: b supposing a
Lemmas referenced :  MultiTreeco-ext,  ifthenelse_wf,  eq_atom_wf,  list_wf,  less_than_wf,  length_wf,  l_member_wf,  MultiTreeco_wf,  false_wf,  le_wf,  nat_wf,  has-value_wf_base,  set_subtype_base,  int_subtype_base,  is-exception_wf,  has-value_wf-partial,  set-value-type,  int-value-type,  MultiTreeco_size_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  cut,  dependent_set_memberEquality,  lemma_by_obid,  hypothesis,  sqequalHypSubstitution,  isectElimination,  thin,  because_Cache,  sqequalRule,  dependent_pairEquality,  tokenEquality,  hypothesisEquality,  instantiate,  universeEquality,  productEquality,  setEquality,  atomEquality,  natural_numberEquality,  functionEquality,  setElimination,  rename,  voidEquality,  applyEquality,  productElimination,  independent_pairFormation,  lambdaFormation,  divergentSqle,  sqleReflexivity,  intEquality,  lambdaEquality,  independent_isectElimination,  equalityEquality,  equalityTransitivity,  equalitySymmetry,  dependent_functionElimination,  independent_functionElimination,  cumulativity

Latex:
\mforall{}[T:Type].  \mforall{}[val:T].    (MTree\_Leaf(val)  \mmember{}  MultiTree(T))



Date html generated: 2016_05_16-AM-08_52_56
Last ObjectModification: 2015_12_28-PM-06_54_13

Theory : C-semantics


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