Concept
Is J a subset of G or S?
Stephen Davies, Ph.D. Version 2.2.2 Through Discrete Mathematics A Cool Brisk Walk / Chapter 1
"G be { Matthew, Mark, Luke, John }, J be { Luke, Obi-wan, Yoda }, S be the set of all Star Wars characters, and F be the four gospels from the New Testament. Now then. Is J ⊆ G ? No. 6. Is J ⊆ S ? Yes."
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