1.a. 123five
+ 34five
b. 1010two
- 101two
c. 23five
* 34five
c. What is the contrapositive of r → q?
d. The statements p → q and q → r are given. If we know q is true, is p necessarily true? Explain.
+ 34five
b. 1010two
- 101two
c. 23five
* 34five
c. What is the contrapositive of r → q?
d. The statements p → q and q → r are given. If we know q is true, is p necessarily true? Explain.