2. . Definition is a sufficient condition for s(Ca)" means "vx, if r(x)then sCx).- if r(x) then s(x)" Yr, r(x) Is a necessary condition for s(x)" means .Yr, if Nr( or, equivalently, "Vx, if s(x) then r(x)." s(xy, means "Yr.if ~s(x) then ~r (x)" or, equivalently. "Yx Vx, if s(x) thenx)or, equivalently. Vx if r(x) then s(x)." Rewrite th necessary or sufficient a. Squareness is a sufficient condition for rectangularity b. Being at e following statements as quantified conditional statements. Do not use the word least 35 years old is a necessary condition for being President of the United States