Nuprl Lemma : predicate-shift_wf

∀[T:Type]. ∀[X:𝕌']. ∀[A:n:ℕ ⟶ (ℕn ⟶ T) ⟶ X]. ∀[x:T].  (A_x ∈ n:ℕ ⟶ (ℕn ⟶ T) ⟶ X)


Proof




Definitions occuring in Statement :  predicate-shift: A_x,  int_seg: {i..j-},  nat: ℕ,  uall: ∀[x:A]. B[x],  member: t ∈ T,  function: x:A ⟶ B[x],  natural_number: $n,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  predicate-shift: A_x,  nat: ℕ,  ge: i ≥ j ,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  implies: P ⇒ Q,  not: ¬A,  top: Top,  and: P ∧ Q,  prop: ℙ,  le: A ≤ B,  less_than': less_than'(a;b),  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  so_apply: x[s]
Lemmas referenced :  nat_wf,  int_seg_subtype,  int_seg_wf,  subtype_rel_dep_function,  seq-single_wf,  false_wf,  seq-append_wf,  le_wf,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_add_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_not_lemma,  int_formula_prop_and_lemma,  itermVar_wf,  itermAdd_wf,  itermConstant_wf,  intformle_wf,  intformnot_wf,  intformand_wf,  satisfiable-full-omega-tt,  decidable__le,  nat_properties
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lambdaEquality,  applyEquality,  hypothesisEquality,  dependent_set_memberEquality,  addEquality,  sqequalHypSubstitution,  setElimination,  thin,  rename,  natural_numberEquality,  lemma_by_obid,  isectElimination,  hypothesis,  dependent_functionElimination,  unionElimination,  independent_isectElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  cumulativity,  lambdaFormation,  because_Cache,  functionEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[X:\mBbbU{}'].  \mforall{}[A:n:\mBbbN{}  {}\mrightarrow{}  (\mBbbN{}n  {}\mrightarrow{}  T)  {}\mrightarrow{}  X].  \mforall{}[x:T].    (A\_x  \mmember{}  n:\mBbbN{}  {}\mrightarrow{}  (\mBbbN{}n  {}\mrightarrow{}  T)  {}\mrightarrow{}  X)



Date html generated: 2016_05_14-PM-04_07_10
Last ObjectModification: 2016_01_14-PM-10_58_11

Theory : fan-theorem


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