Action instances for OrderDual #
This PR transfers group action with zero instances from a type α to αᵒᵈ and Lex α. Note that
the SMul instances are already defined in Mathlib/Algebra/Order/Group/Synonym.lean.
See also #
@[instance_reducible]
instance OrderDual.instModule {α : Type u_1} {β : Type u_2} [Semiring α] [AddCommMonoid β] [Module α β] :
@[instance_reducible]
instance OrderDual.instModule' {α : Type u_1} {β : Type u_2} [Semiring α] [AddCommMonoid β] [Module α β] :
@[instance_reducible]
@[instance_reducible]
instance Lex.instModule' {α : Type u_1} {β : Type u_2} [Semiring α] [AddCommMonoid β] [Module α β] :