Mathematical Notation Equation or Set Notation Interval Notation Inequality 0 < x 3 {x|} (0, 3] y -5 {y: y -5} [-5, +) ≥ ≥ z<-1 or z 3 {z| z<-1 or z 3} (--1)3, + ≥ ≥ x < 5 or x > 5 {x: x 5} (- + Empty (null) set { }
Mathematical Notation Equation or Inequality Set Notation Interval Notation 0 < x 3 {x|} (0, 3] y ≥ -5 {y: y ≥ -5} [-5, +) z<-1 or z ≥ 3 {z| z<-1 or z ≥ 3} (--1)3, + x < 5 or x > 5 {x: x 5} (- + Empty (null) set { }
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