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{{Main|Comparison function}} | {{Main|Comparison function}} | ||
{{Built-in|Greater than|<nowiki> | {{Built-in|Greater than|<nowiki>></nowiki>}} is a [[comparison function]] which tests whether the left [[argument]] is [[Tolerant comparison|tolerantly]] greater than and not equal to the right argument, returning 1 if this is the case and 0 otherwise. It is the [[Not|negation]] of [[Less than or Equal to]] (<source lang=apl inline>≤</source>). | ||
== Boolean function == | |||
When the arguments to Greater than are [[Boolean]], it is the [[wikipedia:material nonimplication|material nonimplication]] [[Boolean function]], also known as the [[wikipedia:NIMPLY gate|NIMPLY gate]]: | |||
::{|class=wikitable | |||
!<source lang=apl inline>></source>!!<source lang=apl inline>0</source>!!<source lang=apl inline>1</source> | |||
|- | |||
!<source lang=apl inline>0</source> | |||
|<source lang=apl inline>0</source>||<source lang=apl inline>0</source> | |||
|- | |||
!<source lang=apl inline>1</source> | |||
|<source lang=apl inline>1</source>||<source lang=apl inline>0</source> | |||
|} | |||
In the context of logic, it can be read as ''but not''. | |||
== External links == | == External links == | ||
| Line 7: | Line 20: | ||
=== Documentation === | === Documentation === | ||
* [ | * [https://help.dyalog.com/latest/index.htm#Language/Primitive%20Functions/Greater.htm Dyalog] | ||
* [http://microapl.com/apl_help/ch_020_020_330.htm APLX] | * [http://microapl.com/apl_help/ch_020_020_330.htm APLX] | ||
* J [http://www.jsoftware.com/help/dictionary/d020.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/gt#dyadic NuVoc] | * J [http://www.jsoftware.com/help/dictionary/d020.htm Dictionary], [https://code.jsoftware.com/wiki/Vocabulary/gt#dyadic NuVoc] | ||
{{APL built-ins}} | {{APL built-ins}}[[Category:Primitive functions]][[Category:Comparison functions]] | ||