Nuprl Lemma : rmul-bdd-diff-reg-seq-mul

∀a,b:ℝ.  bdd-diff(a * b;reg-seq-mul(a;b))


Proof




Definitions occuring in Statement :  rmul: a * b,  reg-seq-mul: reg-seq-mul(x;y),  real: ℝ,  bdd-diff: bdd-diff(f;g),  all: ∀x:A. B[x]
Definitions unfolded in proof :  all: ∀x:A. B[x],  rmul: a * b,  has-value: (a)↓,  uall: ∀[x:A]. B[x],  member: t ∈ T,  implies: P ⇒ Q,  nat_plus: ℕ+,  real: ℝ,  int_upper: {i...},  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  top: Top,  prop: ℙ,  false: False,  subtype_rel: A ⊆r B,  nat: ℕ,  guard: {T},  ge: i ≥ j ,  and: P ∧ Q,  uiff: uiff(P;Q),  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q
Lemmas referenced :  real-has-value,  accelerate-bdd-diff,  canonical-bound_wf,  imax_wf,  absval_wf,  int_upper_properties,  decidable__lt,  full-omega-unsat,  intformnot_wf,  intformless_wf,  itermConstant_wf,  istype-int,  int_formula_prop_not_lemma,  istype-void,  int_formula_prop_less_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  istype-less_than,  add_nat_plus,  imax_nat,  nat_properties,  decidable__le,  intformand_wf,  intformle_wf,  itermVar_wf,  intformeq_wf,  int_formula_prop_and_lemma,  int_formula_prop_le_lemma,  int_term_value_var_lemma,  int_formula_prop_eq_lemma,  istype-le,  nat_plus_properties,  add-is-int-iff,  itermAdd_wf,  int_term_value_add_lemma,  false_wf,  imax_ub,  reg-seq-mul_wf2,  real_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation_alt,  sqequalRule,  callbyvalueReduce,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  dependent_functionElimination,  inhabitedIsType,  setElimination,  rename,  dependent_set_memberEquality_alt,  addEquality,  applyEquality,  natural_numberEquality,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  isect_memberEquality_alt,  voidElimination,  universeIsType,  equalityTransitivity,  equalitySymmetry,  because_Cache,  applyLambdaEquality,  int_eqEquality,  independent_pairFormation,  equalityIstype,  pointwiseFunctionality,  promote_hyp,  baseApply,  closedConclusion,  baseClosed,  productElimination,  inlFormation_alt

Latex:
\mforall{}a,b:\mBbbR{}.    bdd-diff(a  *  b;reg-seq-mul(a;b))



Date html generated: 2019_10_16-PM-03_07_01
Last ObjectModification: 2019_02_02-PM-01_41_26

Theory : reals


Home Index