The connection concerning sets recognized by ⊆ is called inclusion or containment. Equality between sets is usually expressed with regards to subsets. b : to bend a little the tooth points of (a saw) alternately in opposite Instructions c : to sink (the head of a nail) below the surface https://dchvcngtrngi38269.tblogz.com/the-basic-principles-of-set-Đồ-cúng-49362346