Nuprl Lemma : integral-const

∀[a,b,c:ℝ].  (a_∫-b c dx = (c * (b - a)))


Proof




Definitions occuring in Statement :  integral: a_∫-b f[x] dx,  rsub: x - y,  req: x = y,  rmul: a * b,  real: ℝ,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  integral: a_∫-b f[x] dx,  subtype_rel: A ⊆r B,  rfun: I ⟶ℝ,  all: ∀x:A. B[x],  top: Top,  so_lambda: λ2x.t[x],  so_apply: x[s],  and: P ∧ Q,  prop: ℙ,  uimplies: b supposing a,  ifun: ifun(f;I),  real-fun: real-fun(f;a;b),  implies: P ⇒ Q,  iff: P ⇐⇒ Q,  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q),  rsub: x - y
Lemmas referenced :  req_witness,  top_wf,  member_rccint_lemma,  subtype_rel_dep_function,  real_wf,  rleq_wf,  rmin_wf,  rmax_wf,  subtype_rel_self,  set_wf,  left_endpoint_rccint_lemma,  right_endpoint_rccint_lemma,  req_weakening,  req_wf,  i-member_wf,  rccint_wf,  ifun_wf,  rccint-icompact,  rmin-rleq-rmax,  integral_wf,  rmul_wf,  rsub_wf,  rmin-rleq,  Riemann-integral_wf,  radd_wf,  int-to-real_wf,  rminus_wf,  req_functionality,  rsub_functionality,  Riemann-integral-const,  uiff_transitivity,  radd_functionality,  rminus_functionality,  req_transitivity,  rmul-distrib,  rmul_over_rminus,  rmul_comm,  rminus-radd,  req_inversion,  radd-assoc,  radd-ac,  radd_comm,  rminus-as-rmul,  rmul_functionality,  rmul-identity1,  rmul-distrib2,  radd-int,  rmul-zero-both,  rminus-zero,  radd-zero-both
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  dependent_set_memberEquality,  lambdaEquality,  hypothesisEquality,  hypothesis,  applyEquality,  sqequalRule,  dependent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  setEquality,  productEquality,  independent_isectElimination,  because_Cache,  lambdaFormation,  setElimination,  rename,  productElimination,  independent_functionElimination,  equalityTransitivity,  equalitySymmetry,  minusEquality,  natural_numberEquality,  addEquality

Latex:
\mforall{}[a,b,c:\mBbbR{}].    (a\_\mint{}\msupminus{}b  c  dx  =  (c  *  (b  -  a)))



Date html generated: 2016_10_26-PM-00_07_38
Last ObjectModification: 2016_09_12-PM-05_38_42

Theory : reals_2


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