OAI/Combinatorics/DiscreteConvexity/CoordinateObservations.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Boolean observations of finite product laws
Independent Boolean observations with common success probability have the Bernoulli law on subsets, both on individual atoms and on arbitrary families.
- theorem
OAI.TalagrandDiscreteConvexity.prob_pi_cubeSet_eq_massline 22Source documentation
A specified set of successful coordinate observations has its Bernoulli mass.
theorem prob_pi_cubeSet_eq_mass (μ : ∀ i, FiniteLaw (Ω i)) (obs : ∀ i, Ω i → Bool) (p : ℝ) (hobs : ∀ i, (μ i).prob (fun w => obs i w = true) = p) (s : Finset α) : (FiniteLaw.pi μ).prob (fun ω => cubeSet (fun i => obs i (ω i)) = s) = bernoulliMass p s := by …Mentions: OAI.TalagrandDiscreteConvexity.FiniteLaw, OAI.TalagrandDiscreteConvexity.w, OAI.TalagrandDiscreteConvexity.FiniteLaw.pi, OAI.TalagrandDiscreteConvexity.cubeSet, OAI.TalagrandDiscreteConvexity.bernoulliMass
- theorem
OAI.TalagrandDiscreteConvexity.prob_pi_cubeSet_mem_familyline 50Source documentation
Membership of the observed set in a family has exactly its Bernoulli measure.
theorem prob_pi_cubeSet_mem_family (μ : ∀ i, FiniteLaw (Ω i)) (obs : ∀ i, Ω i → Bool) (p : ℝ) (hobs : ∀ i, (μ i).prob (fun w => obs i w = true) = p) (D : Family α) : (FiniteLaw.pi μ).prob (fun ω => cubeSet (fun i => obs i (ω i)) ∈ D) = familyMeasure p D := by …Mentions: OAI.TalagrandDiscreteConvexity.FiniteLaw, OAI.TalagrandDiscreteConvexity.w, OAI.TalagrandDiscreteConvexity.Family, OAI.TalagrandDiscreteConvexity.FiniteLaw.pi, OAI.TalagrandDiscreteConvexity.cubeSet, OAI.TalagrandDiscreteConvexity.familyMeasure