Nuprl Lemma : rnexp-add

∀[n,m:ℕ]. ∀[x:ℝ].  ((x^n * x^m) = x^n + m)


Proof




Definitions occuring in Statement :  rnexp: x^k1,  req: x = y,  rmul: a * b,  real: ℝ,  nat: ℕ,  uall: ∀[x:A]. B[x],  add: n + m
Definitions unfolded in proof :  req_int_terms: t1 ≡ t2,  so_apply: x[s],  so_lambda: λ2x.t[x],  nequal: a ≠ b ∈ T ,  assert: ↑b,  bnot: ¬bb,  guard: {T},  sq_type: SQType(T),  bfalse: ff,  ifthenelse: if b then t else f fi ,  btrue: tt,  it: ⋅,  unit: Unit,  bool: 𝔹,  rev_uimplies: rev_uimplies(P;Q),  uiff: uiff(P;Q),  prop: ℙ,  and: P ∧ Q,  top: Top,  false: False,  exists: ∃x:A. B[x],  satisfiable_int_formula: satisfiable_int_formula(fmla),  implies: P ⇒ Q,  not: ¬A,  uimplies: b supposing a,  or: P ∨ Q,  decidable: Dec(P),  all: ∀x:A. B[x],  ge: i ≥ j ,  nat: ℕ,  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  real_term_value_const_lemma,  real_term_value_var_lemma,  real_term_value_mul_lemma,  real_term_value_sub_lemma,  real_polynomial_null,  req_inversion,  req-iff-rsub-is-0,  itermMultiply_wf,  general_arith_equation1,  rmul_comm,  rmul-one,  decidable__equal_int,  int_subtype_base,  set_subtype_base,  rnexp_unroll,  rmul_functionality,  int_formula_prop_eq_lemma,  intformeq_wf,  neg_assert_of_eq_int,  assert-bnot,  bool_subtype_base,  subtype_base_sq,  bool_cases_sqequal,  equal_wf,  eqff_to_assert,  assert_of_eq_int,  eqtt_to_assert,  bool_wf,  eq_int_wf,  req_functionality,  req_weakening,  zero-add,  rmul-identity1,  int-to-real_wf,  int_term_value_subtract_lemma,  itermSubtract_wf,  subtract_wf,  rnexp_zero_lemma,  less_than_wf,  ge_wf,  int_formula_prop_less_lemma,  intformless_wf,  nat_wf,  real_wf,  le_wf,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_add_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_not_lemma,  int_formula_prop_and_lemma,  itermVar_wf,  itermAdd_wf,  itermConstant_wf,  intformle_wf,  intformnot_wf,  intformand_wf,  full-omega-unsat,  decidable__le,  nat_properties,  rnexp_wf,  rmul_wf,  req_witness
Rules used in proof :  cumulativity,  instantiate,  promote_hyp,  equalitySymmetry,  equalityTransitivity,  equalityElimination,  productElimination,  lambdaFormation,  intWeakElimination,  because_Cache,  independent_pairFormation,  sqequalRule,  voidEquality,  voidElimination,  isect_memberEquality,  intEquality,  int_eqEquality,  lambdaEquality,  dependent_pairFormation,  independent_functionElimination,  approximateComputation,  independent_isectElimination,  unionElimination,  natural_numberEquality,  dependent_functionElimination,  rename,  setElimination,  addEquality,  dependent_set_memberEquality,  hypothesis,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[n,m:\mBbbN{}].  \mforall{}[x:\mBbbR{}].    ((x\^{}n  *  x\^{}m)  =  x\^{}n  +  m)



Date html generated: 2018_05_22-PM-01_32_46
Last ObjectModification: 2018_05_21-AM-00_07_23

Theory : reals


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