Innovations in Annual Giving: Ten Departures that Worked
نویسندگان
چکیده
منابع مشابه
XMA2C011, Annual Examination 2012: Worked Solutions
We show that every element of A ∩ (B \C) is an element of (A ∩ B) \ (A ∩ C), and vice versa. Let x ∈ A ∩ (B \ C). Then x ∈ A and x ∈ B \ C. Then x ∈ B and x 6∈ C. But x ∈ A. It follows that x ∈ A ∩B and x 6∈ A ∩C, and therefore x ∈ (A ∩B) \ (A ∩ C). Now let x ∈ (A ∩ B) \ (A ∩ C). Then x ∈ A ∩ B and x 6∈ A ∩ C. Then x ∈ A and x ∈ B, because x ∈ A ∩B. Moreover x ∈ A and x 6∈ A ∩ C, and therefore ...
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ژورنال
عنوان ژورنال: International Journal of Educational Advancement
سال: 2004
ISSN: 1744-6511
DOI: 10.1057/palgrave.ijea.2140208