Alex Varga's Stuff
Set Theory Explorer
(A u B) = union
(A i B) = intersection
(A \ B) = difference
(c A) = complement
0 = empty set
U = universe
all-caps strings = sets
Starting Equation:
Challenges:
Easy: Prove (B u (B i (A u B))) == B
Hard: Prove ((A u C) - ((B - A) u (C - A))) == A
If you get the hard challenge in under 28 steps, let me know.
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