active p 0 mark 0 active p s X mark X active leq 0 Y mark true active leq s X 0 mark false active leq s X s Y mark leq X Y active if true X Y mark X active if false X Y mark Y active diff X Y mark if leq X Y 0 s diff p X Y mark p X active p mark X mark 0 active 0 mark s X active s mark X mark leq X1 X2 active leq mark X1 mark X2 mark true active true mark false active false mark if X1 X2 X3 active if mark X1 X2 X3 mark diff X1 X2 active diff mark X1 mark X2 p mark X p X p active X p X s mark X s X s active X s X leq mark X1 X2 leq X1 X2 leq X1 mark X2 leq X1 X2 leq active X1 X2 leq X1 X2 leq X1 active X2 leq X1 X2 if mark X1 X2 X3 if X1 X2 X3 if X1 mark X2 X3 if X1 X2 X3 if X1 X2 mark X3 if X1 X2 X3 if active X1 X2 X3 if X1 X2 X3 if X1 active X2 X3 if X1 X2 X3 if X1 X2 active X3 if X1 X2 X3 diff mark X1 X2 diff X1 X2 diff X1 mark X2 diff X1 X2 diff active X1 X2 diff X1 X2 diff X1 active X2 diff X1 X2 active 1 p 1 0 0 mark 1 s 1 leq 2 true 0 false 0 if 3 diff 2 INNERMOST ./TRS/TRCSR/inn/Ex1_GM03_iGM.trs