Question

decide if this statement is valid or invalid. all squares are rectangles. abcd is a square, so abcd is a rectangle.

Explanation:

Step1: Analyze the properties of a square

A square has four right angles and opposite sides equal, which are the properties of a rectangle.

Step2: Apply the general - to - specific logic

Since all squares (general case) are rectangles, and ABCD (specific case) is a square, by the rule of deductive reasoning (if a general statement is true for a set, then it is true for an element of that set), ABCD is a rectangle.

Answer:

Valid