LOGICAL RELATION • DICTIONARY ONE.COM • Definition of Logical relation

... duplicated word ena-ena, taken in connection with Ha-ena in the previous verse, is a capital instance of a form of assonance, or nonterminal rhyme, much favored and occasionally used by Hawaiian poets of the middle period. From the fact that its use here introduces a break in the logical relation which it is hard to reconcile with unity one may think that the poet was seduced from the straight and narrow way by this opportunity for an indulgence that ...

— Unwritten Literature of Hawaii - The Sacred Songs of the Hula • Nathaniel Bright Emerson

... of my trunk by that of the journey, which would, therefore, be its "cause." But a little observation soon shows that the succession of our conscious ideas is not so easily explained, for at every moment representations appear which have no logical relation to those which precede them, and cannot be caused by them, nor by immediate sensory perceptions coming ...

— The Sexual Question - A Scientific, psychological, hygienic and sociological study • August Forel