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第五百六十四章 布尔代数(数理逻辑)(2 / 2)

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这些规则就用到或与非这样的符号。

布尔说:“我这样的运算规则特别根本,很多复杂的计算都可以化作这样的规则。每个计算或者逻辑问题都可以变成二进制数字的或与非运算。”

玛丽说:“我还是没有看到这种基本跟四则运算之间能建立起什么联系。”

布尔说:“进行集合运算可以获取到不同集合之间的交集、并集或补集,进行逻辑运算可以对不同集合进行与、或、非。”

玛丽说:“可以转化成加减乘除这样的计算吗?”

布尔说:“肯定的,而且比那些东西更加基本。这就是计算的最基本单元。”

玛丽看着这些东西都无法理解。但是绝对布尔说得有道理。同时他感觉到布尔对这个事情很有兴趣。

布尔代数在理论上有了一定的发展。布尔代数在代数学(代数结构)、逻辑演算、集合论、拓扑空间理论、测度论、概率论、泛函分析等数学分支中均有应用。

这就是很多数学问题的根本,而且制造计算机也可以使用这样的运算来做电子元件。两元素的布尔代数也是在电子工程中用于电路设计;这里的 0 和 1 代表数字电路中一个位的两种不同状态,典型的是高和低电压。电路通过包含变量的表达式来描述,两个这种表达式对这些变量的所有的值是等价的,当且仅当对应的电路有相同的输入-输出行为。此外,所有可能的输入-输出行为都可以使用合适的布尔表达式来建模。

大约在 1935年, M.H.斯通首先指出布尔代数与环之间有明确的联系,这使布尔代数在理论上有了一定的发展。

喜欢数学心请大家收藏:数学心本站更新速度全网最快。

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