Expression 4: "f" left parenthesis, "x" , right parenthesis equals "F" left parenthesis, "x" , right parenthesis left bracket, "c" , right bracketfx=Fxc
4
Expression 5: "c" equals 2c=2
11
length left parenthesis, "F" left parenthesis, "x" , right parenthesis , right parenthesislengthFx
5
Hidden Label: left parenthesis, 0 , "c" , right parenthesis0,c