DBI202Xuất hiện trong 1 đề thi
Which statement is the best represents Armstrong's Axiom of Decomposition?
Các lựa chọn
AIf $A \to B$ and $A \to C$, then $A \to BC$
BIf $A \to B$ and $B \to C$, then $A \to C$
CIf $A \to B$, then $AC \to BC$
DIf $A \to BC$, then $A \to B$ and $A \to C$