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声明
neighborhood_shrink
Mathlib.Topology.Metric.Basic
包
2
模块
63
定理
750
声明
1016
非可信 sidecar
源文本和展示 overlay 属于展示元数据。可信证据是签名证书和 checker 结果。
陈述
forall (X : Sort u), forall (center : X), forall (larger : forall (x : X), Prop), forall (smaller : forall (x : X), Prop), forall (sub : forall (x : X), forall (hx : smaller x), larger x), forall (h : @Neighborhood.{u} X center smaller), @Neighborhood.{u} X center larger证明项
fun X => fun center => fun larger => fun smaller => fun sub => fun h => sub center h