[AndrewC]

If my example is as flawed as you seem to be suggesting, it should be trivially easy for you to do this.

Square is insufficiently described. It requires more than four equal sides to describe a square.

[longshadow]

Square is insufficiently described. It requires more than four equal sides to describe a square.

Absolutely, as I specified in my original reply further up the thread. Equal interior angles are additionally required to distinguish it from a rhombus.