Commit 2023-09-24 19:47 6a6a3a83

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refactor(Topology/Order): Rename order topologies (#7310) Rename the Upper/Lower UpperSet/LowerSet topologies to the conventions suggested by @YaelDillies in https://github.com/leanprover-community/mathlib4/pull/2508#discussion_r1306711450

Estimated changes

deleted theorem LowerTopology.topology_eq
added def Topology.lower
added def Topology.upper
deleted theorem UpperTopology.topology_eq
deleted def WithLowerTopology
deleted def WithUpperTopology
deleted theorem lower_dual_iff_upper
deleted theorem upper_dual_iff_lower
deleted def lowerSetTopology'
deleted def upperSetTopology'