Nuprl Lemma : rv-disjoint-shift

p:FinProbSpace. ∀n:ℕ. ∀X,Y:RandomVariable(p;n). ∀x:Outcome.
  rv-disjoint(p;n;X;Y)  rv-disjoint(p;n 1;rv-shift(x;X);rv-shift(x;Y)) supposing 0 < n


Proof




Definitions occuring in Statement :  rv-disjoint: rv-disjoint(p;n;X;Y) rv-shift: rv-shift(x;X) random-variable: RandomVariable(p;n) p-outcome: Outcome finite-prob-space: FinProbSpace nat: less_than: a < b uimplies: supposing a all: x:A. B[x] implies:  Q subtract: m natural_number: $n
Definitions unfolded in proof :  all: x:A. B[x] uimplies: supposing a member: t ∈ T uall: [x:A]. B[x] nat: implies:  Q rv-disjoint: rv-disjoint(p;n;X;Y) int_seg: {i..j-} uiff: uiff(P;Q) and: P ∧ Q lelt: i ≤ j < k p-outcome: Outcome finite-prob-space: FinProbSpace prop: sq_stable: SqStable(P) squash: T ge: i ≥  decidable: Dec(P) or: P ∨ Q satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False not: ¬A top: Top subtract: m le: A ≤ B less_than: a < b rv-shift: rv-shift(x;X) guard: {T} subtype_rel: A ⊆B cons-seq: cons-seq(x;s) so_lambda: λ2x.t[x] so_apply: x[s] nat_plus: + random-variable: RandomVariable(p;n) true: True iff: ⇐⇒ Q rev_implies:  Q bool: 𝔹 unit: Unit it: btrue: tt ifthenelse: if then else fi  bfalse: ff
Lemmas referenced :  member-less_than add-member-int_seg2 sq_stable__and le_wf less_than_wf length_wf rationals_wf sq_stable__le sq_stable__less_than squash_wf nat_properties decidable__le subtract_wf satisfiable-full-omega-tt intformand_wf intformnot_wf intformle_wf itermSubtract_wf itermConstant_wf itermVar_wf int_formula_prop_and_lemma int_formula_prop_not_lemma int_formula_prop_le_lemma int_term_value_subtract_lemma int_term_value_constant_lemma int_term_value_var_lemma int_formula_prop_wf lelt_wf cons-seq_wf p-outcome_wf int_seg_properties intformless_wf int_formula_prop_less_lemma subtract-add-cancel subtype_rel_self int_seg_wf not_wf equal_wf all_wf rv-shift_wf random-variable_wf rv-disjoint_wf nat_wf finite-prob-space_wf eq_int_wf bool_wf equal-wf-T-base assert_wf bnot_wf true_wf intformeq_wf int_formula_prop_eq_lemma decidable__lt itermAdd_wf int_term_value_add_lemma iff_weakening_equal uiff_transitivity eqtt_to_assert assert_of_eq_int iff_transitivity iff_weakening_uiff eqff_to_assert assert_of_bnot
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation isect_memberFormation cut introduction extract_by_obid sqequalHypSubstitution isectElimination thin natural_numberEquality setElimination rename hypothesisEquality hypothesis independent_isectElimination dependent_functionElimination because_Cache productElimination dependent_set_memberEquality independent_pairFormation isect_memberEquality independent_functionElimination sqequalRule lambdaEquality imageMemberEquality baseClosed imageElimination unionElimination dependent_pairFormation int_eqEquality intEquality voidElimination voidEquality computeAll inlFormation functionExtensionality applyEquality functionEquality addEquality inrFormation equalityTransitivity equalitySymmetry universeEquality equalityElimination impliesFunctionality

Latex:
\mforall{}p:FinProbSpace.  \mforall{}n:\mBbbN{}.  \mforall{}X,Y:RandomVariable(p;n).  \mforall{}x:Outcome.
    rv-disjoint(p;n;X;Y)  {}\mRightarrow{}  rv-disjoint(p;n  -  1;rv-shift(x;X);rv-shift(x;Y))  supposing  0  <  n



Date html generated: 2018_05_22-AM-00_35_26
Last ObjectModification: 2017_07_26-PM-07_00_12

Theory : randomness


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