Nuprl Lemma : seq-min-upper-le

∀[k:ℕ]. ∀[n:ℕ+]. ∀[f:ℕ+ ⟶ ℤ].  (seq-min-upper(k;n;f) ≤ n)


Proof




Definitions occuring in Statement :  seq-min-upper: seq-min-upper(k;n;f),  nat_plus: ℕ+,  nat: ℕ,  uall: ∀[x:A]. B[x],  le: A ≤ B,  function: x:A ⟶ B[x],  int: ℤ
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  seq-min-upper: seq-min-upper(k;n;f),  all: ∀x:A. B[x],  top: Top,  nat_plus: ℕ+,  less_than: a < b,  squash: ↓T,  less_than': less_than'(a;b),  true: True,  and: P ∧ Q,  prop: ℙ,  nat: ℕ,  implies: P ⇒ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  uimplies: b supposing a,  ifthenelse: if b then t else f fi ,  le: A ≤ B,  false: False,  not: ¬A,  bfalse: ff,  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  ge: i ≥ j ,  decidable: Dec(P),  satisfiable_int_formula: satisfiable_int_formula(fmla),  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  so_apply: x[s],  nequal: a ≠ b ∈ T ,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  subtract: n - m
Lemmas referenced :  primrec1_lemma,  le_int_wf,  nat_plus_wf,  less_than_wf,  bool_wf,  eqtt_to_assert,  assert_of_le_int,  false_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  le_wf,  nat_plus_properties,  seq-min-upper_wf,  nat_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_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,  primrec-wf-nat-plus,  less_than'_wf,  nat_wf,  primrec-unroll,  squash_wf,  true_wf,  eq_int_eq_false,  intformeq_wf,  itermAdd_wf,  int_formula_prop_eq_lemma,  int_term_value_add_lemma,  equal-wf-base,  int_subtype_base,  bfalse_wf,  iff_weakening_equal,  subtract_wf,  add-subtract-cancel,  decidable__lt,  not-lt-2,  less-iff-le,  condition-implies-le,  minus-add,  minus-one-mul,  zero-add,  minus-one-mul-top,  add-associates,  minus-minus,  add-swap,  add-commutes,  add_functionality_wrt_le,  add-zero,  le-add-cancel,  le_weakening2,  le_reflexive,  add-is-int-iff,  and_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  isect_memberEquality,  voidElimination,  voidEquality,  hypothesis,  isectElimination,  addEquality,  multiplyEquality,  natural_numberEquality,  applyEquality,  functionExtensionality,  hypothesisEquality,  dependent_set_memberEquality,  independent_pairFormation,  imageMemberEquality,  baseClosed,  setElimination,  rename,  because_Cache,  lambdaFormation,  unionElimination,  equalityElimination,  productElimination,  independent_isectElimination,  dependent_pairFormation,  equalityTransitivity,  equalitySymmetry,  promote_hyp,  instantiate,  cumulativity,  independent_functionElimination,  approximateComputation,  lambdaEquality,  int_eqEquality,  intEquality,  independent_pairEquality,  axiomEquality,  functionEquality,  imageElimination,  universeEquality,  baseApply,  closedConclusion,  minusEquality,  hyp_replacement,  applyLambdaEquality

Latex:
\mforall{}[k:\mBbbN{}].  \mforall{}[n:\mBbbN{}\msupplus{}].  \mforall{}[f:\mBbbN{}\msupplus{}  {}\mrightarrow{}  \mBbbZ{}].    (seq-min-upper(k;n;f)  \mleq{}  n)



Date html generated: 2017_10_03-AM-08_43_31
Last ObjectModification: 2017_09_09-AM-10_43_35

Theory : reals


Home Index