Nuprl Lemma : fact-greater-exp

∀k,n:ℕ.  ∃m:ℕ. n * k^m < (m)!


Proof




Definitions occuring in Statement :  fact: (n)!,  exp: i^n,  nat: ℕ,  less_than: a < b,  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  multiply: n * m
Definitions unfolded in proof :  all: ∀x:A. B[x],  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  not: ¬A,  top: Top,  and: P ∧ Q,  prop: ℙ,  le: A ≤ B,  nat_plus: ℕ+,  subtype_rel: A ⊆r B,  decidable: Dec(P),  or: P ∨ Q,  subtract: n - m,  guard: {T},  uiff: uiff(P;Q),  sq_type: SQType(T),  so_lambda: λ2x.t[x],  so_apply: x[s],  less_than': less_than'(a;b),  fact: (n)!,  exp: i^n,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  true: True,  less_than: a < b,  squash: ↓T
Lemmas referenced :  nat_properties,  satisfiable-full-omega-tt,  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,  less_than'_wf,  fact_wf,  nat_plus_properties,  nat_plus_wf,  exp_wf2,  exp0_lemma,  fact_unroll_1,  intformeq_wf,  itermAdd_wf,  int_formula_prop_eq_lemma,  int_term_value_add_lemma,  equal-wf-T-base,  decidable__le,  intformnot_wf,  int_formula_prop_not_lemma,  le_wf,  subtract_wf,  itermSubtract_wf,  int_term_value_subtract_lemma,  nat_wf,  itermMultiply_wf,  int_term_value_mul_lemma,  mul-distributes,  mul-distributes-right,  add-associates,  mul-swap,  mul-commutes,  mul-associates,  zero-mul,  one-mul,  zero-add,  add-commutes,  mul_preserves_le,  general_arith_equation1,  multiply_nat_wf,  add_nat_wf,  nat_plus_subtype_nat,  exp_wf4,  multiply-is-int-iff,  false_wf,  equal_wf,  subtype_base_sq,  int_subtype_base,  exp_step,  set_subtype_base,  decidable__equal_int,  primrec1_lemma,  decidable__lt,  add-is-int-iff,  not-lt-2,  not-equal-2,  add_functionality_wrt_le,  add-zero,  le-add-cancel,  condition-implies-le,  minus-add,  minus-zero,  mul_bounds_1a,  fact-positive,  mul_preserves_lt,  exp_wf_nat_plus,  exp_add
Rules used in proof :  cut,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  setElimination,  rename,  intWeakElimination,  natural_numberEquality,  independent_isectElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  dependent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  sqequalRule,  independent_pairFormation,  computeAll,  independent_functionElimination,  productElimination,  independent_pairEquality,  applyEquality,  because_Cache,  multiplyEquality,  addEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  baseClosed,  dependent_set_memberEquality,  unionElimination,  minusEquality,  applyLambdaEquality,  pointwiseFunctionality,  promote_hyp,  baseApply,  closedConclusion,  instantiate,  cumulativity,  imageElimination

Latex:
\mforall{}k,n:\mBbbN{}.    \mexists{}m:\mBbbN{}.  n  *  k\^{}m  <  (m)!



Date html generated: 2018_05_21-PM-01_02_02
Last ObjectModification: 2018_01_28-PM-02_12_26

Theory : num_thy_1


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