📁 Source: Mathlib/Data/DFinsupp/Ext.lean
addHom_ext
addHom_ext'
addHom_ext'_iff
add_closure_iUnion_range_single
DFunLike.coe
AddMonoidHom
DFinsupp
AddZero.toZero
AddZeroClass.toAddZero
addZeroClass
AddMonoidHom.instFunLike
single
AddMonoidHom.eq_of_eqOn_denseM
AddMonoidHom.comp
singleAddHom
DFunLike.congr_fun
AddSubmonoid.closure
Set.iUnion
Set.range
Top.top
AddSubmonoid
AddSubmonoid.instTop
top_unique
induction
AddSubmonoid.zero_mem
AddSubmonoid.add_mem
AddSubmonoid.subset_closure
Set.mem_iUnion
Set.mem_range_self
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