Nuprl Lemma : RankEx2_LeafT_wf

∀[S,T:Type]. ∀[leaft:T].  (RankEx2_LeafT(leaft) ∈ RankEx2(S;T))


Proof




Definitions occuring in Statement :  RankEx2_LeafT: RankEx2_LeafT(leaft),  RankEx2: RankEx2(S;T),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  RankEx2: RankEx2(S;T),  RankEx2_LeafT: RankEx2_LeafT(leaft),  eq_atom: x =a y,  ifthenelse: if b then t else f fi ,  btrue: tt,  all: ∀x:A. B[x],  implies: P ⇒ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  bfalse: ff,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  exists: ∃x:A. B[x],  prop: ℙ,  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  false: False,  subtype_rel: A ⊆r B,  ext-eq: A ≡ B,  RankEx2co_size: RankEx2co_size(p),  has-value: (a)↓,  nat: ℕ,  le: A ≤ B,  less_than': less_than'(a;b),  not: ¬A,  so_lambda: λ2x.t[x],  so_apply: x[s]
Lemmas referenced :  RankEx2co-ext,  eq_atom_wf,  bool_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_atom,  eqtt_to_assert,  assert_of_eq_atom,  RankEx2co_wf,  list_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,  RankEx2co_size_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  cut,  dependent_set_memberEquality,  lemma_by_obid,  hypothesis,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  because_Cache,  sqequalRule,  dependent_pairEquality,  tokenEquality,  lambdaFormation,  unionElimination,  equalityElimination,  productElimination,  independent_isectElimination,  equalityTransitivity,  equalitySymmetry,  dependent_pairFormation,  promote_hyp,  dependent_functionElimination,  instantiate,  cumulativity,  independent_functionElimination,  voidElimination,  productEquality,  unionEquality,  voidEquality,  equalityEquality,  applyEquality,  natural_numberEquality,  independent_pairFormation,  divergentSqle,  sqleReflexivity,  intEquality,  lambdaEquality,  universeEquality

Latex:
\mforall{}[S,T:Type].  \mforall{}[leaft:T].    (RankEx2\_LeafT(leaft)  \mmember{}  RankEx2(S;T))



Date html generated: 2016_05_16-AM-08_59_49
Last ObjectModification: 2015_12_28-PM-06_51_38

Theory : C-semantics


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