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Science
:
Math Exam Resources/Courses/MATH220/December 2011/Question 02 (b)/Hint 2
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From UBC Wiki
<
Science:Math Exam Resources
|
Courses/MATH220
|
December 2011
|
Question 02 (b)
The
contrapositive
of the statement
A
⇒
B
{\displaystyle \displaystyle A\Rightarrow B}
is
¬
B
⇒
¬
A
{\displaystyle \lnot B\Rightarrow \lnot A}
