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LECTURE V. PSYCHOLOGICAL AND PHYSICAL CAUSAL LAWS
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The traditional conception of cause and effect is one which modern science shows to be fundamentally erroneous, and requiring to be replaced by a quite different notion, that of LAWS OF CHANGE. In the traditional conception, a particular event A caused a particular event B, and by this it was implied that, given any event B, some earlier event A could be discovered which had a relation to it, such that—
(1) Whenever A occurred, it was followed by B;
(2) In this sequence, there was something "necessary," not a mere1 de facto occurrence of A first and then B.
The second point is illustrated2 by the old discussion as to whether it can be said that day causes night, on the ground that day is always followed by night. The orthodox answer was that day could not be called the cause of night, because it would not be followed by night if the earth's rotation3 were to cease, or rather to grow so slow that one complete rotation would take a year. A cause, it was held, must be such that under no conceivable circumstances could it fail to be followed by its effect.
As a matter of fact, such sequences as were sought by believers in the traditional form of causation have not so far been found in nature. Everything in nature is apparently4 in a state of continuous change,* so that what we call one "event" turns out to be really a process. If this event is to cause another event, the two will have to be contiguous in time; for if there is any interval5 between them, something may happen during that interval to prevent the expected effect. Cause and effect, therefore, will have to be temporally contiguous processes. It is difficult to believe, at any rate where physical laws are concerned, that the earlier part of the process which is the cause can make any difference to the effect, so long as the later part of the process which is the cause remains6 unchanged. Suppose, for example, that a man dies of arsenic7 poisoning, we say that his taking arsenic was the cause of death. But clearly the process by which he acquired the arsenic is
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mere
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adj.纯粹的;仅仅,只不过 | |
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illustrated
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adj. 有插图的,列举的 动词illustrate的过去式和过去分词 | |
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rotation
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n.旋转;循环,轮流 | |
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apparently
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adv.显然地;表面上,似乎 | |
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interval
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n.间隔,间距;幕间休息,中场休息 | |
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remains
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n.剩余物,残留物;遗体,遗迹 | |
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arsenic
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n.砒霜,砷;adj.砷的 | |
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irrelevant
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adj.不恰当的,无关系的,不相干的 | |
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physiological
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adj.生理学的,生理学上的 | |
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proceeding
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n.行动,进行,(pl.)会议录,学报 | |
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embody
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vt.具体表达,使具体化;包含,收录 | |
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embodying
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v.表现( embody的现在分词 );象征;包括;包含 | |
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acceleration
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n.加速,加速度 | |
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embodied
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v.表现( embody的过去式和过去分词 );象征;包括;包含 | |
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generalization
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n.普遍性,一般性,概括 | |
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generalizations
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一般化( generalization的名词复数 ); 普通化; 归纳; 概论 | |
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phenomena
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n.现象 | |
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infinitely
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adv.无限地,无穷地 | |
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perfectly
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adv.完美地,无可非议地,彻底地 | |
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justified
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a.正当的,有理的 | |
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superstitions
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迷信,迷信行为( superstition的名词复数 ) | |
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applied
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adj.应用的;v.应用,适用 | |
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derived
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vi.起源;由来;衍生;导出v.得到( derive的过去式和过去分词 );(从…中)得到获得;源于;(从…中)提取 | |
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analogous
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adj.相似的;类似的 | |
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simplicity
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n.简单,简易;朴素;直率,单纯 | |
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conceals
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v.隐藏,隐瞒,遮住( conceal的第三人称单数 ) | |
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simultaneously
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adv.同时发生地,同时进行地 | |
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impartial
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adj.(in,to)公正的,无偏见的 | |
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underlying
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adj.在下面的,含蓄的,潜在的 | |
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sufficiently
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adv.足够地,充分地 | |
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jointly
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ad.联合地,共同地 | |
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specially
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adv.特定地;特殊地;明确地 | |
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vibration
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n.颤动,振动;摆动 | |
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explicit
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adj.详述的,明确的;坦率的;显然的 | |
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outwards
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adj.外面的,公开的,向外的;adv.向外;n.外形 | |
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velocity
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n.速度,速率 | |
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emanating
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v.从…处传出,传出( emanate的现在分词 );产生,表现,显示 | |
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correlation
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n.相互关系,相关,关连 | |
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psychology
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n.心理,心理学,心理状态 | |
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alterations
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n.改动( alteration的名词复数 );更改;变化;改变 | |
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unity
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n.团结,联合,统一;和睦,协调 | |
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creasing
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(使…)起折痕,弄皱( crease的现在分词 ); (皮肤)皱起,使起皱纹; 挑檐 | |
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appreciably
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adv.相当大地 | |
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spoke
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n.(车轮的)辐条;轮辐;破坏某人的计划;阻挠某人的行动 v.讲,谈(speak的过去式);说;演说;从某种观点来说 | |
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essentially
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adv.本质上,实质上,基本上 | |
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embodies
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v.表现( embody的第三人称单数 );象征;包括;包含 | |
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