You are mixing up your properties. The properties of addition are a set of guiding rules that apply to all fractions, decimals, and integers in mathematics when using addition.Spaces as Places allows for the use of the public right-of-way and private property for outdoor dining and other uses through a menu of options. An accessory dwelling unit (ADU) is a structure someone can live in without relying on another structure for basic needs like bathrooms and kitchens. 1 Closure under Addition We have learnt that sum of two whole numbers is again a,whole number. Verify the closure property of addition for the following pairs of rational numbers: 8 −7 and 5 3 7 −5 and 14 −3 Forms, handouts, and applications for applying for Building permits in unincorporated San Diego County. The Review of Assessment (Proposition 8) form is available from December 1st through April 30th online and at all ARCC branch offices. The STRO Ordinance requires a license for all STROs of a dwelling unit, or part thereof, for less than one month within the City of San Diego. If community, the petition should state what portion, if any, is to be included in the conservatorship.