Expression 6: "E" equals left bracket, left parenthesis, 1 , 2 , right parenthesis , left parenthesis, 2 , 3 , right parenthesis , left parenthesis, 3 , 4 , right parenthesis , left parenthesis, 4 , 1 , right parenthesis , left parenthesis, 1 , 5 , right parenthesis , left parenthesis, 2 , 5 , right parenthesis , left parenthesis, 3 , 5 , right parenthesis , left parenthesis, 4 , 5 , right parenthesis , left parenthesis, 1 , 6 , right parenthesis , left parenthesis, 2 , 6 , right parenthesis , left parenthesis, 3 , 6 , right parenthesis , left parenthesis, 4 , 6 , right parenthesis , right bracketE=1,2,2,3,3,4,4,1,1,5,2,5,3,5,4,5,1,6,2,6,3,6,4,6
6
Expression 7: triangle left parenthesis, "P" left bracket, "F" . "x" , right bracket , "P" left bracket, "F" . "y" , right bracket , "P" left bracket, "F" . "z" , right bracket , right parenthesistrianglePF.x,PF.y,PF.z
7
Expression 8: sphere left parenthesis, "P" , 0.2 , right parenthesissphereP,0.2
8
Expression 9: segment left parenthesis, "P" left bracket, "E" . "x" , right bracket , "P" left bracket, "E" . "y" , right bracket , right parenthesissegmentPE.x,PE.y
