Logic and Language Models for Computer Science by Dana Richards & Henry Hamburger

Author:Dana Richards & Henry Hamburger
Language: eng
Format: azw3, pdf
ISBN: 9789813229228
Publisher: World Scientific Publishing Co Pte Ltd
Published: 2017-09-08T04:00:00+00:00

In the set specification of Example 9.3, “every” is used twice to express universal quantification. As stated at the end of Section 4.4, the universal quantifier is always true over an empty set, so L includes all strings that contain no as and/or no bs. We could have given many other equivalent intensional descriptions of the language recognized by this machine, for example

The last description uses a regular expression, a technique that is explored further below.

Example 9.4

Draw a state-transition diagram for an automaton that recognizes the language

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.