# VHDL syntax question.

**URL:** <https://boards.straightdope.com/t/vhdl-syntax-question/174527>\
**Category:** Factual Questions\
**Created:** [May 11, 2003, 6:25pm UTC](https://boards.straightdope.com/t/vhdl-syntax-question/174527 "2003-05-11T18:25:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cubsfan](https://avatars.discourse-cdn.com/v4/letter/c/f4b2a3/32.png) [@Cubsfan](https://boards.straightdope.com/u/Cubsfan)\
**Post date:** [May 11, 2003, 6:25pm UTC](https://boards.straightdope.com/t/vhdl-syntax-question/174527/1 "2003-05-11T18:25:33Z")

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How do I say “A NOT” when writing VHDL? If I want to write a piece of cominational code that says a= bnot or cnot, how do I say the not? I can’t find it anywhere.

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**Author:** ![don\_t\_ask](https://avatars.discourse-cdn.com/v4/letter/d/e68b1a/32.png) [@don\_t\_ask](https://boards.straightdope.com/u/don_t_ask)\
**Post date:** [May 12, 2003, 3:53am UTC](https://boards.straightdope.com/t/vhdl-syntax-question/174527/2 "2003-05-12T03:53:02Z")

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