Nuprl Lemma : iterated-conjugate

∀[T:Type]. ∀[f,g,h:T ⟶ T]. ∀[m:ℕ].  ((λf.(g o (f o h))^m f) = (g^m o (f o h^m)) ∈ (T ⟶ T))


Proof




Definitions occuring in Statement :  fun_exp: f^n,  compose: f o g,  nat: ℕ,  uall: ∀[x:A]. B[x],  apply: f a,  lambda: λx.A[x],  function: x:A ⟶ B[x],  universe: Type,  equal: s = t ∈ T
Definitions unfolded in proof :  member: t ∈ T,  top: Top,  uall: ∀[x:A]. B[x],  nat: ℕ,  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],  and: P ∧ Q,  prop: ℙ,  fun_exp: f^n,  lt_int: i <z j,  subtract: n - m,  ifthenelse: if b then t else f fi ,  btrue: tt,  compose: f o g,  decidable: Dec(P),  or: P ∨ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  uiff: uiff(P;Q),  bfalse: ff,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  true: True,  squash: ↓T,  subtype_rel: A ⊆r B,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q
Lemmas referenced :  nat_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,  primrec-unroll,  decidable__le,  subtract_wf,  intformnot_wf,  itermSubtract_wf,  int_formula_prop_not_lemma,  int_term_value_subtract_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,  compose_wf,  fun_exp_wf,  le_wf,  subtract-add-cancel,  squash_wf,  true_wf,  subtype_rel_self,  iff_weakening_equal,  fun_exp_add1-sq2,  fun_exp_add1-sq
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  natural_numberEquality,  isect_memberEquality,  voidElimination,  voidEquality,  hypothesisEquality,  because_Cache,  cut,  introduction,  extract_by_obid,  hypothesis,  functionEquality,  isect_memberFormation,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  intWeakElimination,  lambdaFormation,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  dependent_functionElimination,  sqequalRule,  independent_pairFormation,  axiomEquality,  functionExtensionality,  applyEquality,  unionElimination,  equalityElimination,  equalityTransitivity,  equalitySymmetry,  productElimination,  promote_hyp,  instantiate,  cumulativity,  dependent_set_memberEquality,  addEquality,  imageElimination,  universeEquality,  imageMemberEquality,  baseClosed

Latex:
\mforall{}[T:Type].  \mforall{}[f,g,h:T  {}\mrightarrow{}  T].  \mforall{}[m:\mBbbN{}].    ((\mlambda{}f.(g  o  (f  o  h))\^{}m  f)  =  (g\^{}m  o  (f  o  h\^{}m)))



Date html generated: 2018_05_21-PM-08_17_19
Last ObjectModification: 2018_05_19-PM-04_55_41

Theory : general


Home Index