Nuprl Lemma : rv-disjoint-rv-scale

p:FinProbSpace. ∀n:ℕ. ∀X,Y:RandomVariable(p;n). ∀a:ℚ.  (rv-disjoint(p;n;X;Y)  rv-disjoint(p;n;X;a*Y))


Proof




Definitions occuring in Statement :  rv-disjoint: rv-disjoint(p;n;X;Y) rv-scale: q*X random-variable: RandomVariable(p;n) finite-prob-space: FinProbSpace rationals: nat: all: x:A. B[x] implies:  Q
Definitions unfolded in proof :  all: x:A. B[x] implies:  Q member: t ∈ T prop: uall: [x:A]. B[x] so_lambda: λ2x.t[x] so_apply: x[s] squash: T rv-compose: (x.F[x]) X random-variable: RandomVariable(p;n) nat: finite-prob-space: FinProbSpace rv-scale: q*X true: True
Lemmas referenced :  rv-disjoint_wf rationals_wf random-variable_wf nat_wf finite-prob-space_wf rv-disjoint-compose qmul_wf squash_wf true_wf int_seg_wf length_wf rv-compose_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation cut introduction extract_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis dependent_functionElimination sqequalRule lambdaEquality independent_functionElimination hyp_replacement equalitySymmetry applyEquality imageElimination equalityTransitivity functionExtensionality natural_numberEquality setElimination rename functionEquality because_Cache imageMemberEquality baseClosed

Latex:
\mforall{}p:FinProbSpace.  \mforall{}n:\mBbbN{}.  \mforall{}X,Y:RandomVariable(p;n).  \mforall{}a:\mBbbQ{}.
    (rv-disjoint(p;n;X;Y)  {}\mRightarrow{}  rv-disjoint(p;n;X;a*Y))



Date html generated: 2016_10_26-AM-06_49_53
Last ObjectModification: 2016_07_12-AM-08_04_09

Theory : randomness


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