As coined by Philip Wadler [1], the Expression Problem is a new name for an old problem. The goal is to define a datatype by cases, where one can add new cases to the datatype and new functions over ...

Boolean expressions and Boolean logic are widely used in mathematics, computer science, computer programming, and philosophy. These take their name from the 19 th century mathematician and logician ...

Harvey C. Mansfield ’53 is the Kenan Research Professor of Government at Harvard. The best instance of free speech I’ve observed at Harvard came long ago when I was an undergraduate. I attended a ...

Abstract: This paper presents a new approach to the problem of multi-level Boolean minimization. Conventional two-level minimization methods are embedded in a process that makes extensive use of the ...

Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs. In this tutorial, you will learn how to write expressions ...

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This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Announcer: From the Opinion pages of the Wall Street Journal, this is Free ...