Commit 2023-01-31 21:41 195bf2a1

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feat: port Topology.ContinuousOn (#1907)

Estimated changes

added theorem Continuous.if
added theorem Continuous.if_const
added theorem Continuous.piecewise
added theorem ContinuousOn.comp'
added theorem ContinuousOn.comp
added theorem ContinuousOn.congr
added theorem ContinuousOn.fst
added theorem ContinuousOn.if'
added theorem ContinuousOn.if
added theorem ContinuousOn.mono
added theorem ContinuousOn.mono_dom
added theorem ContinuousOn.mono_rng
added theorem ContinuousOn.piecewise
added theorem ContinuousOn.prod
added theorem ContinuousOn.prod_map
added theorem ContinuousOn.snd
added def ContinuousOn
added theorem ContinuousWithinAt.fst
added theorem ContinuousWithinAt.snd
added theorem IsOpen.ite'
added theorem IsOpen.ite
added theorem IsOpen.nhdsWithin_eq
added theorem antitone_continuousOn
added theorem closure_pi_set
added theorem comap_nhdsWithin_range
added theorem continuousOn_congr
added theorem continuousOn_const
added theorem continuousOn_empty
added theorem continuousOn_fst
added theorem continuousOn_id
added theorem continuousOn_iff'
added theorem continuousOn_iff
added theorem continuousOn_open_iff
added theorem continuousOn_pi
added theorem continuousOn_singleton
added theorem continuousOn_snd
added theorem continuousWithinAt_fst
added theorem continuousWithinAt_id
added theorem continuousWithinAt_pi
added theorem continuousWithinAt_snd
added theorem continuous_if'
added theorem continuous_if
added theorem continuous_if_const
added theorem continuous_piecewise
added theorem dense_pi
added theorem insert_mem_nhds_iff
added theorem inter_mem_nhdsWithin
added theorem map_nhdsWithin
added theorem mem_closure_pi
added theorem mem_nhdsWithin
added theorem mem_nhdsWithin_insert
added theorem mem_nhdsWithin_subtype
added theorem mem_of_mem_nhdsWithin
added theorem nhdsWithin_basis_open
added theorem nhdsWithin_empty
added theorem nhdsWithin_eq
added theorem nhdsWithin_hasBasis
added theorem nhdsWithin_insert
added theorem nhdsWithin_inter'
added theorem nhdsWithin_inter
added theorem nhdsWithin_le_comap
added theorem nhdsWithin_le_iff
added theorem nhdsWithin_le_nhds
added theorem nhdsWithin_le_of_mem
added theorem nhdsWithin_mono
added theorem nhdsWithin_pi_eq'
added theorem nhdsWithin_pi_eq
added theorem nhdsWithin_pi_eq_bot
added theorem nhdsWithin_pi_neBot
added theorem nhdsWithin_pi_univ_eq
added theorem nhdsWithin_prod
added theorem nhdsWithin_restrict''
added theorem nhdsWithin_restrict'
added theorem nhdsWithin_restrict
added theorem nhdsWithin_singleton
added theorem nhdsWithin_subtype
added theorem nhdsWithin_union
added theorem nhdsWithin_univ
added theorem nhds_bind_nhdsWithin
added theorem principal_subtype
added theorem pure_le_nhdsWithin
added theorem self_mem_nhdsWithin
added theorem tendsto_nhdsWithin_iff