This article gives the statement, and possibly proof, of a Lie subring property (i.e., derivation-invariant Lie subring) satisfying a Lie subring metaproperty (i.e., transitive Lie subring property)
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ANALOGY: This is an analogue in Lie rings of a fact encountered in group. The old fact is: characteristicity is transitive.
Another analogue to the same fact, in the same new context, is: characteristicity is transitive for Lie rings
View other analogues of characteristicity is transitive|View other analogues from group to Lie ring (OR, View as a tabulated list)
A derivation-invariant Lie subring of a derivation-invariant Lie subring is a derivation-invariant Lie subring.
Given: A Lie ring with Lie subrings . is a derivation-invariant Lie subring of and is a derivation-invariant subring of .
To prove: is a derivation-invariant subring of .
Proof: Suppose is a derivation of .
Since is a derivation-invariant subring of , restricts to a map from to itself. Let be the restriction of to . Clearly, is a derivation of .
Since is derivation-invariant in , restricts to a map from to itself. Thus, restricts to a map from to .