Avail - Library

Argument Position	Prohibited Expression
Argument 1	¬_

any, set

Source: /avail/Avail/Foundation/Sets

Is element not an element of aSet?

	Position	Name	Type	Description
Parameters
	1	element	any	An arbitrary value.
	2	aSet	set
Returns			boolean	true if element is not an element of aSet, false otherwise.

any, map

Source: /avail/Avail/Foundation/Maps

Is key not a key of aMap?

	Position	Name	Type	Description
Parameters
	1	key	any
	2	aMap	map
Returns			boolean	true if key is not an element of aMap, false otherwise.

any meta, set meta

Source: /avail/Avail/Foundation/Sets

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