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(computer science)
A scalar declaration in ALGOL defining variables similar to FORTRAN's logical variables.


(mathematics, logic)
1. Boolean algebra.

<programming> 2. (bool) The type of an expression with two possible values, "true" and "false". Also, a variable of Boolean type or a function with Boolean arguments or result. The most common Boolean functions are AND, OR and NOT.
References in periodicals archive ?
0 focuses on 3D CAD model interoperability and features tolerant modeling, enhanced healing technology, new bending functionality, enhanced blending capabilities, new selective Booleans, and over 400 customer requested enhancements.
2, released in August, featured Booleans with complex helical paths that were 30 times faster than in ACIS 4.
Advanced geometric creation tools in the upgraded product include parametric feature locations and enhanced cutting, Booleans, and mid-plane thicken.