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#####   ####    #####   #   #   #   #   #   #   #  ####
##  #   ##      ##      ## ##    # #    #    # #   ##
##   #  ######  ##       ###      #    ###    #    ######

$ curl repovive.com/roadmaps/math-fundamentals/boolean-logic/not-truth-table

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#####   ######  #####    ###    #   #  ###  #   #  ######
##  ##  ##      ##  ##  ## ##   #   #   #   #   #  ##
#####   ####    #####   #   #   #   #   #   #   #  ####
##  #   ##      ##      ## ##    # #    #    # #   ##
##   #  ######  ##       ###      #    ###    #    ######

$ curl repovive.com/roadmaps/math-fundamentals/boolean-logic/not-truth-table

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NOT Truth Table - Boolean Logic | Math Fundamentals | Repovive

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Math Fundamentals18 sections · 842 units13h total

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NOT Truth Table

Simple flip

For NOT with input $A$ :


A     | !A
----- | -----
false | true
true  | false

This is the simplest truth table. NOT has no surprises: it inverts the input. You'll use NOT to reverse conditions, like checking if (!found) after a search loop.