Nuprl Lemma : rv-between-translation

∀n:ℕ. ∀a,b,c,z:ℝ^n.  (z + a-z + b-z + c ⇐⇒ a-b-c)


Proof




Definitions occuring in Statement :  rv-between: a-b-c,  real-vec-add: X + Y,  real-vec: ℝ^n,  nat: ℕ,  all: ∀x:A. B[x],  iff: P ⇐⇒ Q
Definitions unfolded in proof :  all: ∀x:A. B[x],  iff: P ⇐⇒ Q,  and: P ∧ Q,  implies: P ⇒ Q,  rv-between: a-b-c,  real-vec-between: a-b-c,  exists: ∃x:A. B[x],  member: t ∈ T,  req-vec: req-vec(n;x;y),  real-vec-add: X + Y,  real-vec-mul: a*X,  uall: ∀[x:A]. B[x],  nat: ℕ,  prop: ℙ,  cand: A c∧ B,  real-vec-sep: a ≠ b,  rev_implies: P ⇐ Q,  subtype_rel: A ⊆r B,  uimplies: b supposing a,  real-vec: ℝ^n,  uiff: uiff(P;Q),  itermConstant: "const",  req_int_terms: t1 ≡ t2,  false: False,  not: ¬A,  top: Top,  rev_uimplies: rev_uimplies(P;Q)
Lemmas referenced :  int_seg_wf,  i-member_wf,  rooint_wf,  int-to-real_wf,  req-vec_wf,  real-vec-add_wf,  real-vec-mul_wf,  rsub_wf,  rv-between_wf,  real-vec_wf,  nat_wf,  real-vec-dist_wf,  real_wf,  rleq_wf,  rless_functionality,  req_weakening,  real-vec-dist-translation2,  radd-preserves-req,  radd_wf,  rmul_wf,  rminus_wf,  req-implies-req,  real_term_polynomial,  itermSubtract_wf,  itermAdd_wf,  itermVar_wf,  itermMultiply_wf,  itermMinus_wf,  itermConstant_wf,  real_term_value_const_lemma,  real_term_value_sub_lemma,  real_term_value_add_lemma,  real_term_value_var_lemma,  real_term_value_mul_lemma,  real_term_value_minus_lemma,  req-iff-rsub-is-0,  req_functionality,  req_transitivity,  radd_functionality,  rminus_functionality
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  independent_pairFormation,  sqequalHypSubstitution,  productElimination,  thin,  promote_hyp,  dependent_pairFormation,  hypothesisEquality,  hypothesis,  cut,  dependent_functionElimination,  sqequalRule,  introduction,  extract_by_obid,  isectElimination,  natural_numberEquality,  setElimination,  rename,  productEquality,  applyEquality,  lambdaEquality,  setEquality,  because_Cache,  independent_isectElimination,  independent_functionElimination,  computeAll,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality

Latex:
\mforall{}n:\mBbbN{}.  \mforall{}a,b,c,z:\mBbbR{}\^{}n.    (z  +  a-z  +  b-z  +  c  \mLeftarrow{}{}\mRightarrow{}  a-b-c)



Date html generated: 2017_10_03-AM-11_10_40
Last ObjectModification: 2017_07_28-AM-08_23_20

Theory : reals


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