Nuprl Lemma : rnexp-add1

∀[n:ℕ]. ∀[x:ℝ].  (x^n + 1 = (x * x^n))


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,  natural_number: $n
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  ge: i ≥ j ,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  top: Top,  and: P ∧ Q,  prop: ℙ,  le: A ≤ B,  less_than': less_than'(a;b),  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q)
Lemmas referenced :  req_witness,  rnexp_wf,  nat_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermAdd_wf,  itermVar_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_add_lemma,  int_term_value_var_lemma,  int_formula_prop_wf,  le_wf,  rmul_wf,  real_wf,  nat_wf,  false_wf,  rmul_comm,  req_functionality,  req_transitivity,  req_inversion,  rnexp-add,  rmul_functionality,  req_weakening,  rnexp1
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  dependent_set_memberEquality,  addEquality,  setElimination,  rename,  hypothesisEquality,  hypothesis,  natural_numberEquality,  dependent_functionElimination,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  sqequalRule,  independent_pairFormation,  because_Cache,  lambdaFormation,  productElimination

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[x:\mBbbR{}].    (x\^{}n  +  1  =  (x  *  x\^{}n))



Date html generated: 2018_05_22-PM-01_32_53
Last ObjectModification: 2017_10_25-PM-03_51_37

Theory : reals


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