narrowing

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narrowing

Unification followed by unfolding. The left-hand side of a rule is unified with some term, resulting in a set of variable bindings. The term is then replaced by the right-hand side of the rule with values substituted for bound variables.
References in classic literature ?
A, lady--who had fed herself from childhood with the shadowy food of aristocratic reminiscences, and whose religion it was that a lady's hand soils itself irremediably by doing aught for bread,--this born lady, after sixty years of narrowing means, is fain to step down from her pedestal of imaginary rank.
The next morning she rose early, and taking only some milk and bread for her breakfast, set out to walk on the road towards Ashby, under a leaden-coloured sky, with a narrowing streak of yellow, like a departing hope, on the edge of the horizon.
Thurid turned toward Xodar, his eyes narrowing to two nasty slits.
The children with their fair hair and rosy cheeks, strong, healthy, and vivacious; the delicate form of the hops; the challenging emerald of the leaves, like a blare of trumpets; the magic of the green alley, narrowing to a point as you looked down the row, with the pickers in their sun-bonnets: perhaps there was more of the Greek spirit there than you could find in the books of professors or in museums.
Perhaps it was with the hope of narrowing it that she yielded to his persuasions to go to night school and business college and to have herself gowned by a wonderful dressmaker who charged outrageous prices.
He passed again and again amid whirring blades and sweet odours of grass, encompassing with narrowing circles the sacred centre of the field.
At first the creek kept narrowing as I had looked to see; but presently to my surprise it began to widen out again.
Akut's eyes were busy drinking in the humor of the situation--he did not see the narrowing eyes of the boy upon him, nor the shortening neck as the broad shoulders rose in a characteristic attitude of preparation for attack.