Nuprl Lemma : flip-conjugation

∀[n:ℕ]. ∀[k:ℕn]. ∀[j:ℕk]. ∀[l:ℕn - k].  ((j, k + l) = ((k, k + l) o ((j, k) o (k, k + l))) ∈ (ℕn ⟶ ℕn))


Proof




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

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[k:\mBbbN{}n].  \mforall{}[j:\mBbbN{}k].  \mforall{}[l:\mBbbN{}n  -  k].    ((j,  k  +  l)  =  ((k,  k  +  l)  o  ((j,  k)  o  (k,  k  +  l))))



Date html generated: 2018_05_21-PM-00_41_12
Last ObjectModification: 2018_05_19-AM-06_48_36

Theory : list_1


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