Soc。Marknowthefartherdevelopment。Ishallonlyaskhim，andnotteachhim，andheshallsharetheenquirywithme：anddoyouwatchandseeifyoufindmetellingorexplaininganythingtohim，insteadofelicitinghisopinion。Tellme，boy，isnotthisasquareoffourfeetwhichIhavedrawn？
Boy。Yes。
Soc。AndnowIaddanothersquareequaltotheformerone？
Boy。Yes。
Soc。Andathird，whichisequaltoeitherofthem？