Let X,Y ⊂ Z(integers) and x is include in Z(integers) Let A = (X \ {x}) ∪ {x} a. Prove or disprove: A ⊆ X b. Prove or di
Posted: Thu Jul 07, 2022 2:20 pm
Let X,Y ⊂ Z(integers) and x is include in Z(integers)
Let A = (X \ {x}) ∪ {x}
a. Prove or disprove: A ⊆ X
b. Prove or disprove: X ⊆ A
Let A = (X \ {x}) ∪ {x}
a. Prove or disprove: A ⊆ X
b. Prove or disprove: X ⊆ A