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Remove redundant Additive constraint #12

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Remove redundant Additive constraint #12

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2 changes: 1 addition & 1 deletion Algebra/Ring.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
public protocol Rng : Group, Semiring { }

/// A Rig is a Ring with elements lacking an inverse.
public protocol Rig : Semiring, Additive { }
public protocol Rig : Semiring { }

/// A Ring is a Group with a second operator that distributes over the group operation much like
/// how multiplication distributes over addition.
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