import Mathlib import OAI.Probability.CriticalPercolation.GraphGeometry.VertexBall namespace OAI section section open Set MeasureTheory ProbabilityTheory open scoped BigOperators namespace CriticalPercolation.ClusterDeletion variable {V : Type*} @[simp] lemma delete_bot (U : Set V) : delete (⊥ : SimpleGraph V) U = ⊥ := by ext v w simp [delete] @[simp] lemma component_bot (s : V) : component (⊥ : SimpleGraph V) s = {s} := by ext v simp [component, SimpleGraph.reachable_bot, eq_comm] @[simp] lemma roots_bot (S : Set V) : roots (⊥ : SimpleGraph V) S = S := by ext v simp [roots, SimpleGraph.reachable_bot] end CriticalPercolation.ClusterDeletion end end end OAI