Relations-Properties and Examples <二≤ <Uldw=≤ ≤n≥=ldw <n≥=0 <0≤=< ≤o≤=≤ ≥=≤-1 15/40Relations – Properties and Examples < ⊆ ≤ < ∪ IdN = ≤ ≤ ∩ ≥ = IdN < ∩ ≥ = ∅ < ◦ ≤ = < ≤ ◦ ≤ = ≤ ≥ = ≤−1 15 / 40