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A sublattice(say, S) of a lattice(say, L) is a convex sublattice of L if _________

Posted: Thu Jul 14, 2022 9:04 am
by answerhappygod
a) x>=z, where x in S implies z in S, for every element x, y in L
b) x=y and y<=z, where x, y in S implies z in S, for every element x, y, z in L
c) x<=y<=z, where x, y in S implies z in S, for every element x, y, z in L
d) x=y and y>=z, where x, y in S implies z in S, for every element x, y, z in L