_∪_

Grammatical restrictions:

Argument Position Prohibited Expression
Argument 2 _∪_

Definitions:

set, set
Source: /avail/Avail/Foundation/Bootstrap/Infallible Primitives
Categories: Primitives, Sets, Mathematics
Compute and answer the set union of the arguments. This is a set that contains the elements of both sets.
Position Name Type Description
Parameters
1 arg1 set A set.
2 arg2 set A set.
Returns set The set union of the arguments.
type, type
Source: /avail/Avail/Foundation/Bootstrap/Infallible Primitives
Categories: Primitives, Types, Mathematics
Compute and answer the type union of the two types. This is the most specific type that is a supertype of both types.
Position Name Type Description
Parameters
1 arg1 type A type.
2 arg2 type A type.
Returns (⊤)'s type The type union of the arguments.

Semantic restrictions:

set meta, set meta
Source: /avail/Avail/Foundation/Early Sets
Type Description
Parameter Types
set meta
set meta
type's type, type's type
Source: /avail/Avail/Foundation/Types
Type Description
Parameter Types
type's type
type's type