note
	description: "Truth values, with the boolean operations."
	external_name: "System.Boolean"
	assembly: "mscorlib"
	library: "Free implementation of ELKS library"
	status: "See notice at end of class."
	legal: "See notice at end of class."
	date: "$Date: 2020-05-10 07:15:38 +0000 (Sun, 10 May 2020) $"
	revision: "$Revision: 104128 $"

frozen expanded class 
	BOOLEAN

inherit
	BOOLEAN_REF
		redefine
			conjuncted,
			conjuncted_semistrict,
			disjuncted,
			disjuncted_semistrict,
			disjuncted_exclusive,
			implication,
			negated
		end

create 
	default_create,
	make_from_reference

convert
	make_from_reference ({BOOLEAN_REF})

feature -- Basic operations

	conjuncted alias "and" alias "∧" (other: BOOLEAN): BOOLEAN
			-- Boolean conjunction with other.
		do
			Result := Precursor (other)
		end

	conjuncted_semistrict alias "and then" alias "∧…" (other: BOOLEAN): BOOLEAN
			-- Boolean semi-strict conjunction with other.
		do
			Result := Precursor (other)
		end

	implication alias "implies" alias "⇒" (other: BOOLEAN): BOOLEAN
			-- Boolean implication of other.
			-- (semi-strict)
		do
			Result := Precursor (other)
		end

	negated alias "not" alias "¬": BOOLEAN
			-- Negation.
		do
			Result := Precursor
		end

	disjuncted alias "or" alias "∨" (other: BOOLEAN): BOOLEAN
			-- Boolean disjunction with other.
		do
			Result := Precursor (other)
		end

	disjuncted_semistrict alias "or else" alias "∨…" (other: BOOLEAN): BOOLEAN
			-- Boolean semi-strict disjunction with other.
		do
			Result := Precursor (other)
		end

	disjuncted_exclusive alias "xor" alias "⊻" (other: BOOLEAN): BOOLEAN
			-- Boolean exclusive or with other.
		do
			Result := Precursor (other)
		end
	
note
	copyright: "Copyright (c) 1984-2020, Eiffel Software and others"
	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
		Eiffel Software
		5949 Hollister Ave., Goleta, CA 93117 USA
		Telephone 805-685-1006, Fax 805-685-6869
		Website http://www.eiffel.com
		Customer support http://support.eiffel.com
	]"

end -- class BOOLEAN

Generated by ISE EiffelStudio