    expanded class
    	BOOLEAN

    General
    	cluster: base
    	description: "Truth values, with the boolean operations"
    	create: make_from_reference, default_create

    Ancestors
    	BOOLEAN_REF

    Queries
    	hash_code: INTEGER_32
    	infix "and then" (other: [like Current] BOOLEAN): BOOLEAN
    	infix "and" (other: [like Current] BOOLEAN): BOOLEAN
    	infix "implies" (other: [like Current] BOOLEAN): BOOLEAN
    	infix "or else" (other: [like Current] BOOLEAN): BOOLEAN
    	infix "or" (other: [like Current] BOOLEAN): BOOLEAN
    	infix "xor" (other: [like Current] BOOLEAN): BOOLEAN
    	is_hashable: BOOLEAN
    	item: BOOLEAN
    	out: STRING_8
    	prefix "not": [like Current] BOOLEAN
    	to_integer: INTEGER_32
    	to_reference: BOOLEAN_REF

    Commands
    	set_item (b: BOOLEAN)