Determine whether these biconditionals are true or false. a.2 + 2 = 4 if and only if 1 + 1 = 2. b.1 + 1 = 2 if and only if 2 + 3 = 4.

asked Aug 27, 2019 104k views

4 votes

Determine whether these biconditionals are true or false.

a.2 + 2 = 4 if and only if 1 + 1 = 2.
b.1 + 1 = 2 if and only if 2 + 3 = 4.

by Parsa

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6 votes

A. is true because 2+2 does = 4 and 1 +1 =2
B is false because 2 +3=5

Cuong Lam answered Sep 2, 2019

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