Question: Given schema R = ( J , K , L , M , N , P ) and the set F of FDs listed below,

Given schema R =(J,K,L,M,N,P) and the set F of FDs listed below,
J -> KL
L-> J
MNP -> K
KP -> M
LJ -> N
Is it true that L is extraneous in LJ -> N ?

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