H(performed(X),T)/\H(performed(Y),T)/\X!=Y
--->false.

H(start,0)
--->E(performed(a0),Ta0)
/\E(performed(a0),Ta0_1)/\Ta0_1>Ta0.

H(performed(a0),Ta0)
--->E(performed(a1),Ta1)/\Ta1>Ta0/\EN(performed(X),TX)/\TX>Ta0/\TX<Ta1.

H(performed(a1),Ta1)
--->E(performed(a2),Ta2)/\Ta2>Ta1/\EN(performed(X),TX)/\TX>Ta1/\TX<Ta2.

H(performed(a2),Ta2)
--->E(performed(a3),Ta3)/\Ta3>Ta2/\EN(performed(X),TX)/\TX>Ta2/\TX<Ta3.

H(performed(a3),Ta3)
--->E(performed(a4),Ta4)/\Ta4>Ta3/\EN(performed(X),TX)/\TX>Ta3/\TX<Ta4.

H(performed(a4),Ta4)
--->EN(performed(a4),Ta4_1)/\Ta4_1>Ta4.