Answer:
A, B, C are three sets A ∈ B and B ⊂ A To show: A ⊂ C or not? Proof: We will prove this with the help of an example. Let A = {1} B = { {1}, 2, 3} C = { {1}, 2, 3, 4, 5} Here, A ∈ B as set A is an element of set B Also, B ⊂ C as C contains all elements of B But A ⊄ C because 1 ∈ A but 1 ∉ C. Article by.
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