Nuprl Lemma : mk_applies_fun2

∀[F,K,v:Top]. ∀[p,n:ℕ]. ∀[m:ℕn + 1].
  (mk_applies(F;λk.if (p + k =z p + n) then v else K (p + k) fi ;m) ~ mk_applies(F;λi.(K (p + i));m))


Proof




Definitions occuring in Statement :  mk_applies: mk_applies(F;G;m),  int_seg: {i..j-},  nat: ℕ,  ifthenelse: if b then t else f fi ,  eq_int: (i =z j),  uall: ∀[x:A]. B[x],  top: Top,  apply: f a,  lambda: λx.A[x],  add: n + m,  natural_number: $n,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  int_seg: {i..j-},  lelt: i ≤ j < k,  and: P ∧ Q,  subtype_rel: A ⊆r B,  prop: ℙ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  all: ∀x:A. B[x],  top: Top,  mk_applies: mk_applies(F;G;m),  decidable: Dec(P),  or: P ∨ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  bfalse: ff,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b
Lemmas referenced :  int_seg_properties,  le_wf,  int_seg_wf,  nat_wf,  top_wf,  nat_properties,  full-omega-unsat,  intformand_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  ge_wf,  less_than_wf,  primrec0_lemma,  decidable__le,  subtract_wf,  intformnot_wf,  itermSubtract_wf,  int_formula_prop_not_lemma,  int_term_value_subtract_lemma,  decidable__lt,  itermAdd_wf,  int_term_value_add_lemma,  lt_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_lt_int,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  eq_int_wf,  assert_of_eq_int,  intformeq_wf,  int_formula_prop_eq_lemma,  neg_assert_of_eq_int,  primrec-unroll
Rules used in proof :  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isectElimination,  thin,  natural_numberEquality,  addEquality,  setElimination,  rename,  because_Cache,  hypothesis,  hypothesisEquality,  productElimination,  hypothesis_subsumption,  lambdaEquality,  dependent_set_memberEquality,  isect_memberFormation,  sqequalAxiom,  sqequalRule,  isect_memberEquality,  intWeakElimination,  lambdaFormation,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  dependent_functionElimination,  voidElimination,  voidEquality,  independent_pairFormation,  unionElimination,  equalityElimination,  equalityTransitivity,  equalitySymmetry,  promote_hyp,  instantiate,  cumulativity

Latex:
\mforall{}[F,K,v:Top].  \mforall{}[p,n:\mBbbN{}].  \mforall{}[m:\mBbbN{}n  +  1].
    (mk\_applies(F;\mlambda{}k.if  (p  +  k  =\msubz{}  p  +  n)  then  v  else  K  (p  +  k)  fi  ;m) 
    \msim{}  mk\_applies(F;\mlambda{}i.(K  (p  +  i));m))



Date html generated: 2018_05_21-PM-06_21_44
Last ObjectModification: 2018_05_19-PM-05_27_53

Theory : untyped!computation


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