Question 555875: I am working with sets. My sets are as follows:
U = {a, b, c, d, e, f, g, h, i, j, k, r, t, y}
A = {b, i, r, t, h, d, a, y}
B = {c, a, k, e}
C = {c, a, r, d}
Problem #1 A' =
Problem #2 C' (upsidedown cup shape) A
In reference to these problems what does the apostrophe ( ' ) mean.
Answer by solver91311(24713)   (Show Source):
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