If you mean the symbol â, it means âcontains as an elementâ. The expression Aâx is equivalent to xâA, which means that x is an element of A and implies that A is a set. See Element (mathematics).
Pros and Cons of Different Types of Flooring. By: Danny Lipford. There are a number of different options available when choosing flooring for your home, including carpet, tile, hardwood, and laminate. Here are some of the advantages and disadvantages of each type of flooring.
Cost Breakdown. Cost to install a hardwood floor will normally include: Materials -- Popular kinds of wood flooring include Brazilian cherry, hickory, maple, red oak, and white ash.If sub-flooring replacement is necessary, this will add to the cost.Supplies -- The flooring contractor will supply equipment and supplies such as a level, staple gun, and adhesive, as well as protective gear.aterials -- Popular kinds of wood flooring include Brazilian cherry, hickory, maple, red oak, and white ash. If sub-flooring replacement is necessary, this will add to the cost. Supplies -- The flooring contractor will supply equipment and supplies such as a level, staple gun, and adhesive, as well as protective gear.