6.98/2.11	YES
6.98/2.12	
6.98/2.12	Problem:
6.98/2.12	 a(b(a(a(a(b(x1)))))) -> c(c(a(x1)))
6.98/2.12	 c(x1) -> b(a(a(a(b(x1)))))
6.98/2.12	
6.98/2.12	Proof:
6.98/2.12	 Bounds Processor:
6.98/2.12	  bound: 5
6.98/2.12	  enrichment: match
6.98/2.12	  automaton:
6.98/2.12	   final states: {5,1}
6.98/2.12	   transitions:
6.98/2.12	    a4(234) -> 235*
6.98/2.12	    a4(174) -> 175*
6.98/2.12	    a4(159) -> 160*
6.98/2.12	    a4(154) -> 155*
6.98/2.12	    a4(226) -> 227*
6.98/2.12	    a4(161) -> 162*
6.98/2.12	    a4(153) -> 154*
6.98/2.12	    a4(138) -> 139*
6.98/2.12	    a4(160) -> 161*
6.98/2.12	    a4(155) -> 156*
6.98/2.12	    b1(10) -> 11*
6.98/2.12	    b1(32) -> 33*
6.98/2.12	    b1(14) -> 15*
6.98/2.12	    b1(28) -> 29*
6.98/2.12	    c4(227) -> 228*
6.98/2.12	    c4(139) -> 140*
6.98/2.12	    c4(236) -> 237*
6.98/2.12	    c4(176) -> 177*
6.98/2.12	    c4(228) -> 229*
6.98/2.12	    c4(235) -> 236*
6.98/2.12	    c4(175) -> 176*
6.98/2.12	    c4(140) -> 141*
6.98/2.12	    a1(30) -> 31*
6.98/2.12	    a1(12) -> 13*
6.98/2.12	    a1(29) -> 30*
6.98/2.12	    a1(31) -> 32*
6.98/2.12	    a1(11) -> 12*
6.98/2.12	    a1(13) -> 14*
6.98/2.12	    b5(272) -> 273*
6.98/2.12	    b5(252) -> 253*
6.98/2.12	    b5(242) -> 243*
6.98/2.12	    b5(212) -> 213*
6.98/2.12	    b5(202) -> 203*
6.98/2.12	    b5(182) -> 183*
6.98/2.12	    b5(276) -> 277*
6.98/2.12	    b5(266) -> 267*
6.98/2.12	    b5(206) -> 207*
6.98/2.12	    b5(196) -> 197*
6.98/2.12	    b5(248) -> 249*
6.98/2.12	    b5(238) -> 239*
6.98/2.12	    b5(208) -> 209*
6.98/2.12	    b5(178) -> 179*
6.98/2.12	    b5(270) -> 271*
6.98/2.12	    b5(200) -> 201*
6.98/2.12	    c2(40) -> 41*
6.98/2.12	    c2(79) -> 80*
6.98/2.12	    c2(44) -> 45*
6.98/2.12	    c2(39) -> 40*
6.98/2.12	    c2(43) -> 44*
6.98/2.12	    c2(80) -> 81*
6.98/2.12	    a5(267) -> 268*
6.98/2.12	    a5(197) -> 198*
6.98/2.12	    a5(274) -> 275*
6.98/2.12	    a5(269) -> 270*
6.98/2.12	    a5(249) -> 250*
6.98/2.12	    a5(239) -> 240*
6.98/2.12	    a5(209) -> 210*
6.98/2.12	    a5(204) -> 205*
6.98/2.12	    a5(199) -> 200*
6.98/2.12	    a5(179) -> 180*
6.98/2.12	    a5(251) -> 252*
6.98/2.12	    a5(241) -> 242*
6.98/2.12	    a5(211) -> 212*
6.98/2.12	    a5(181) -> 182*
6.98/2.12	    a5(273) -> 274*
6.98/2.12	    a5(268) -> 269*
6.98/2.12	    a5(203) -> 204*
6.98/2.12	    a5(198) -> 199*
6.98/2.12	    a5(275) -> 276*
6.98/2.12	    a5(250) -> 251*
6.98/2.12	    a5(240) -> 241*
6.98/2.12	    a5(210) -> 211*
6.98/2.12	    a5(205) -> 206*
6.98/2.12	    a5(180) -> 181*
6.98/2.12	    a2(42) -> 43*
6.98/2.12	    a2(78) -> 79*
6.98/2.12	    a2(38) -> 39*
6.98/2.12	    b3(60) -> 61*
6.98/2.12	    b3(132) -> 133*
6.98/2.12	    b3(62) -> 63*
6.98/2.12	    b3(124) -> 125*
6.98/2.12	    b3(104) -> 105*
6.98/2.12	    b3(94) -> 95*
6.98/2.12	    b3(136) -> 137*
6.98/2.12	    b3(66) -> 67*
6.98/2.12	    b3(56) -> 57*
6.98/2.12	    b3(98) -> 99*
6.98/2.12	    b3(120) -> 121*
6.98/2.12	    b3(100) -> 101*
6.98/2.12	    f30() -> 2*
6.98/2.12	    a3(65) -> 66*
6.98/2.12	    a3(122) -> 123*
6.98/2.12	    a3(102) -> 103*
6.98/2.12	    a3(97) -> 98*
6.98/2.12	    a3(57) -> 58*
6.98/2.12	    a3(134) -> 135*
6.98/2.12	    a3(64) -> 65*
6.98/2.12	    a3(59) -> 60*
6.98/2.12	    a3(121) -> 122*
6.98/2.12	    a3(116) -> 117*
6.98/2.12	    a3(101) -> 102*
6.98/2.12	    a3(96) -> 97*
6.98/2.12	    a3(133) -> 134*
6.98/2.12	    a3(123) -> 124*
6.98/2.12	    a3(103) -> 104*
6.98/2.12	    a3(63) -> 64*
6.98/2.12	    a3(58) -> 59*
6.98/2.12	    a3(135) -> 136*
6.98/2.12	    a3(95) -> 96*
6.98/2.12	    c0(4) -> 1*
6.98/2.12	    c0(3) -> 4*
6.98/2.12	    c3(117) -> 118*
6.98/2.12	    c3(118) -> 119*
6.98/2.12	    a0(7) -> 8*
6.98/2.12	    a0(2) -> 3*
6.98/2.12	    a0(6) -> 7*
6.98/2.12	    a0(8) -> 9*
6.98/2.12	    b4(162) -> 163*
6.98/2.12	    b4(152) -> 153*
6.98/2.12	    b4(156) -> 157*
6.98/2.12	    b4(158) -> 159*
6.98/2.12	    b0(2) -> 6*
6.98/2.12	    b0(9) -> 5*
6.98/2.12	    1 -> 102,210,3,10,7,12
6.98/2.12	    3 -> 10*
6.98/2.12	    4 -> 28*
6.98/2.12	    10 -> 42*
6.98/2.12	    15 -> 4*
6.98/2.12	    28 -> 38*
6.98/2.12	    33 -> 1*
6.98/2.12	    39 -> 62*
6.98/2.12	    40 -> 56*
6.98/2.12	    41 -> 103,211,43,100,174,8,13
6.98/2.12	    43 -> 100*
6.98/2.12	    44 -> 94*
6.98/2.12	    45 -> 39*
6.98/2.12	    56 -> 226,78
6.98/2.12	    61 -> 41,13
6.98/2.12	    62 -> 234,116
6.98/2.12	    67 -> 40*
6.98/2.12	    79 -> 120*
6.98/2.12	    80 -> 132*
6.98/2.12	    81 -> 9,14
6.98/2.12	    94 -> 138*
6.98/2.12	    99 -> 45*
6.98/2.12	    100 -> 174*
6.98/2.12	    105 -> 44*
6.98/2.12	    117 -> 158*
6.98/2.12	    118 -> 152*
6.98/2.12	    119 -> 79*
6.98/2.12	    125 -> 80*
6.98/2.12	    137 -> 81*
6.98/2.12	    139 -> 196*
6.98/2.12	    140 -> 178*
6.98/2.12	    141 -> 235,117
6.98/2.12	    157 -> 119*
6.98/2.12	    163 -> 118*
6.98/2.12	    175 -> 208*
6.98/2.12	    176 -> 202*
6.98/2.12	    177 -> 139*
6.98/2.12	    183 -> 141*
6.98/2.12	    201 -> 140*
6.98/2.12	    207 -> 177*
6.98/2.12	    213 -> 176*
6.98/2.12	    227 -> 248*
6.98/2.12	    228 -> 238*
6.98/2.12	    229 -> 104,212,175,208
6.98/2.12	    235 -> 272*
6.98/2.12	    236 -> 266*
6.98/2.12	    237 -> 227*
6.98/2.12	    243 -> 229,175
6.98/2.12	    253 -> 228*
6.98/2.12	    271 -> 237,227,248
6.98/2.12	    277 -> 236*
6.98/2.12	  problem:
6.98/2.12	   
6.98/2.12	  Qed
6.98/2.12	EOF