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JoeStrout: removed {{stub}} tag

2023-03-29T22:21:40Z

removed {{stub}} tag

JoeStrout: /* Numeric Operands */

2023-03-29T22:14:31Z

Numeric Operands

JoeStrout: filled out details

2023-03-29T22:13:31Z

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JoeStrout: Created page with "not is a keyword unary operator that returns the logical negation of its operand. Category:Language Category:Keywords {{stub}}"

2020-02-20T04:25:40Z

Created page with "<c>not</c> is a keyword unary operator that returns the logical negation of its operand. Category:Language Category:Keywords {{stub}}"

New page

<c>not</c> is a [[:Category:Keywords|keyword]] unary operator that returns the logical negation of its operand.

[[Category:Language]]
[[Category:Keywords]]

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	[[Category:Language]]		[[Category:Language]]
	[[Category:Keywords]]		[[Category:Keywords]]
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-This is consistent with MiniScript’s support for [[fuzzy logic]].  If interpreted as probability, then if <c>p</c> is the probability of an event happening, <c>not p</c> is the probability of that event ''not'' happening.
+This is consistent with MiniScript’s support for [[Fuzzy Logic|fuzzy logic]].  If interpreted as probability, then if <c>p</c> is the probability of an event happening, <c>not p</c> is the probability of that event ''not'' happening.
 == Non-Numeric Operands ==

← Older revision		Revision as of 22:13, 29 March 2023
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−	<c>not</c> is a [[:Category:Keywords\|keyword]] unary operator that returns the logical negation of its operand.	+	<c>not</c> is a [[:Category:Keywords\|keyword]] unary operator that returns the logical negation of its operand. In its simplest usage, <c>not true</c> is equal to <c>false</c>, and <c>not false</c> is equal to <c>true</c>.
		+
		+	== Numeric Operands ==
		+	In detail, for any numeric operand <c>x</c>, the result of <c>not x</c> depends on the absolute value of <c>x</c>. The full truth table for <c>not</c> with numeric operands is shown below.
		+
		+	{\| class="wikitable"
		+	\|-
		+	! Range of <c>abs(x)</c> !! <c>not x</c>
		+	\|-
		+	\| <c>abs(x) <= 0</c> \|\| <c>1</c>
		+	\|-
		+	\| <c>0 < abs(x) < 1</c> \|\| <c>1 - x</c>
		+	\|-
		+	\| <c>abs(x) >= 1</c> \|\| <c>0</c>
		+	\|}
		+
		+	This is consistent with MiniScript’s support for [[fuzzy logic]]. If interpreted as probability, then if <c>p</c> is the probability of an event happening, <c>not p</c> is the probability of that event ''not'' happening.
		+
		+	== Non-Numeric Operands ==
		+
		+	When used with types other than numbers, <c>not</c> returns 1 (<c>true</c>) if the given value is “empty”, and 0 (<c>false</c>) if the operand is “not empty”, as shown below.
		+
		+	{\| class="wikitable"
		+	\|-
		+	! Type of <c>x</c> \|\| Characteristic of <c>x</c> \|\| <c>not x</c>
		+	\|-
		+	\| [[string]] \|\| empty, i.e. <c>x.len == 0</c> \|\| 1
		+	\|-
		+	\| [[string]] \|\| non-empty, i.e. <c>x.len > 0</c> \|\| 0
		+	\|-
		+	\| [[list]] \|\| empty, i.e. <c>x.len == 0</c> \|\| 1
		+	\|-
		+	\| [[list]] \|\| non-empty, i.e. <c>x.len > 0</c> \|\| 0
		+	\|-
		+	\| [[map]] \|\| empty, i.e. <c>x.len == 0</c> \|\| 1
		+	\|-
		+	\| [[map]] \|\| non-empty, i.e. <c>x.len > 0</c> \|\| 0
		+	\|-
		+	\| [[function]] \|\| any \|\| 0
		+	\|-
		+	\| [[null]] \|\| (N/A) \|\| 1
		+	\|}
		+

	[[Category:Language]]		[[Category:Language]]