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def definition def or abbrev

SameKernel

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formal statement (Lean)

 116def SameKernel {K : Type*} (I J : PrimitiveInterface K) : Prop :=

proof body

Definition body.

 117  ∀ x y : K, I.kernel x y ↔ J.kernel x y
 118
 119/-- If two interfaces have the same kernel, then their recognition lattices
 120are canonically equivalent. -/

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