Nuprl Lemma : div_mono1

∀[i,k:ℕ].  (i ÷ k < i) supposing (1 < k and 0 < i)


Proof




Definitions occuring in Statement :  nat: ℕ,  less_than: a < b,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  divide: n ÷ m,  natural_number: $n
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  all: ∀x:A. B[x],  nat: ℕ,  decidable: Dec(P),  or: P ∨ Q,  prop: ℙ,  nequal: a ≠ b ∈ T ,  ge: i ≥ j ,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  top: Top,  and: P ∧ Q,  nat_plus: ℕ+,  guard: {T},  int_nzero: ℤ-o,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  uiff: uiff(P;Q),  subtype_rel: A ⊆r B,  le: A ≤ B,  less_than': less_than'(a;b),  true: True,  less_than: a < b,  squash: ↓T
Lemmas referenced :  divide_wf,  mul_preserves_le,  int_term_value_add_lemma,  int_term_value_mul_lemma,  itermAdd_wf,  itermMultiply_wf,  multiply-is-int-iff,  add-is-int-iff,  int_formula_prop_le_lemma,  intformle_wf,  decidable__le,  le-add-cancel,  zero-add,  add-associates,  add-commutes,  add-swap,  add_functionality_wrt_le,  less-iff-le,  not-lt-2,  false_wf,  rem_bounds_1,  nequal_wf,  div_rem_sum,  int_formula_prop_not_lemma,  intformnot_wf,  le_weakening2,  less_than_transitivity2,  div_base_case,  nat_wf,  equal_wf,  int_formula_prop_wf,  int_formula_prop_less_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_eq_lemma,  int_formula_prop_and_lemma,  intformless_wf,  itermConstant_wf,  itermVar_wf,  intformeq_wf,  intformand_wf,  satisfiable-full-omega-tt,  nat_properties,  member-less_than,  less_than_wf,  decidable__lt
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  setElimination,  rename,  hypothesisEquality,  hypothesis,  unionElimination,  isectElimination,  natural_numberEquality,  sqequalRule,  isect_memberEquality,  divideEquality,  because_Cache,  lambdaFormation,  independent_isectElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  equalityTransitivity,  equalitySymmetry,  dependent_set_memberEquality,  productElimination,  independent_functionElimination,  addEquality,  applyEquality,  multiplyEquality,  imageElimination,  pointwiseFunctionality,  promote_hyp,  baseApply,  closedConclusion,  baseClosed

Latex:
\mforall{}[i,k:\mBbbN{}].    (i  \mdiv{}  k  <  i)  supposing  (1  <  k  and  0  <  i)



Date html generated: 2016_05_15-PM-04_46_39
Last ObjectModification: 2016_01_16-AM-11_24_56

Theory : general


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