Nuprl Lemma : nullset_wf
∀[p:FinProbSpace]. ∀[S:(ℕ ⟶ Outcome) ⟶ ℙ].  (nullset(p;S) ∈ ℙ)
Proof
Definitions occuring in Statement : 
nullset: nullset(p;S)
, 
p-outcome: Outcome
, 
finite-prob-space: FinProbSpace
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
member: t ∈ T
, 
function: x:A ⟶ B[x]
Definitions unfolded in proof : 
nullset: nullset(p;S)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
, 
prop: ℙ
, 
so_lambda: λ2x.t[x]
, 
all: ∀x:A. B[x]
, 
and: P ∧ Q
, 
implies: P 
⇒ Q
, 
so_apply: x[s]
Lemmas referenced : 
all_wf, 
rationals_wf, 
qless_wf, 
exists_wf, 
p-open_wf, 
nat_wf, 
p-outcome_wf, 
p-open-member_wf, 
p-measure-le_wf, 
finite-prob-space_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
isect_memberFormation, 
introduction, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
setEquality, 
hypothesis, 
natural_numberEquality, 
applyEquality, 
because_Cache, 
hypothesisEquality, 
lambdaEquality, 
lambdaFormation, 
setElimination, 
rename, 
productEquality, 
functionEquality, 
universeEquality, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
cumulativity, 
isect_memberEquality
Latex:
\mforall{}[p:FinProbSpace].  \mforall{}[S:(\mBbbN{}  {}\mrightarrow{}  Outcome)  {}\mrightarrow{}  \mBbbP{}].    (nullset(p;S)  \mmember{}  \mBbbP{})
Date html generated:
2016_05_15-PM-11_50_00
Last ObjectModification:
2015_12_28-PM-07_14_31
Theory : randomness
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