Given that A and B are the diagonals of a parallelogram. It follows that A and B have the same length.
A) Deductive, valid.
B) Inductive, strong.
C) Deductive, sound.
D) Inductive, weak.
E) Deductive, invalid.

Question

Quizplus · Accepted Answer

In a parallelogram, the diagonals do not necessarily have the same length; they bisect each other. This statement is deductively invalid because it incorrectly applies properties of parallelograms.

Given That a and B Are the Diagonals of a Parallelogram