active from X mark cons X from s X active 2ndspos 0 Z mark rnil active 2ndspos s N cons X Z mark 2ndspos s N cons2 X Z active 2ndspos s N cons2 X cons Y Z mark rcons posrecip Y 2ndsneg N Z active 2ndsneg 0 Z mark rnil active 2ndsneg s N cons X Z mark 2ndsneg s N cons2 X Z active 2ndsneg s N cons2 X cons Y Z mark rcons negrecip Y 2ndspos N Z active pi X mark 2ndspos X from 0 active plus 0 Y mark Y active plus s X Y mark s plus X Y active times 0 Y mark 0 active times s X Y mark plus Y times X Y active square X mark times X X active s X s active X active posrecip X posrecip active X active negrecip X negrecip active X active cons X1 X2 cons active X1 X2 active cons2 X1 X2 cons2 X1 active X2 active rcons X1 X2 rcons active X1 X2 active rcons X1 X2 rcons X1 active X2 active from X from active X active 2ndspos X1 X2 2ndspos active X1 X2 active 2ndspos X1 X2 2ndspos X1 active X2 active 2ndsneg X1 X2 2ndsneg active X1 X2 active 2ndsneg X1 X2 2ndsneg X1 active X2 active pi X pi active X active plus X1 X2 plus active X1 X2 active plus X1 X2 plus X1 active X2 active times X1 X2 times active X1 X2 active times X1 X2 times X1 active X2 active square X square active X s mark X mark s X posrecip mark X mark posrecip X negrecip mark X mark negrecip X cons mark X1 X2 mark cons X1 X2 cons2 X1 mark X2 mark cons2 X1 X2 rcons mark X1 X2 mark rcons X1 X2 rcons X1 mark X2 mark rcons X1 X2 from mark X mark from X 2ndspos mark X1 X2 mark 2ndspos X1 X2 2ndspos X1 mark X2 mark 2ndspos X1 X2 2ndsneg mark X1 X2 mark 2ndsneg X1 X2 2ndsneg X1 mark X2 mark 2ndsneg X1 X2 pi mark X mark pi X plus mark X1 X2 mark plus X1 X2 plus X1 mark X2 mark plus X1 X2 times mark X1 X2 mark times X1 X2 times X1 mark X2 mark times X1 X2 square mark X mark square X proper 0 ok 0 proper s X s proper X proper posrecip X posrecip proper X proper negrecip X negrecip proper X proper nil ok nil proper cons X1 X2 cons proper X1 proper X2 proper cons2 X1 X2 cons2 proper X1 proper X2 proper rnil ok rnil proper rcons X1 X2 rcons proper X1 proper X2 proper from X from proper X proper 2ndspos X1 X2 2ndspos proper X1 proper X2 proper 2ndsneg X1 X2 2ndsneg proper X1 proper X2 proper pi X pi proper X proper plus X1 X2 plus proper X1 proper X2 proper times X1 X2 times proper X1 proper X2 proper square X square proper X s ok X ok s X posrecip ok X ok posrecip X negrecip ok X ok negrecip X cons ok X1 ok X2 ok cons X1 X2 cons2 ok X1 ok X2 ok cons2 X1 X2 rcons ok X1 ok X2 ok rcons X1 X2 from ok X ok from X 2ndspos ok X1 ok X2 ok 2ndspos X1 X2 2ndsneg ok X1 ok X2 ok 2ndsneg X1 X2 pi ok X ok pi X plus ok X1 ok X2 ok plus X1 X2 times ok X1 ok X2 ok times X1 X2 square ok X ok square X top mark X top proper X top ok X top active X 2.2 active times X1 X2 times active X1 X2 negrecip mark X negrecip X square ok X square X proper cons X1 X2 cons proper X1 proper X2 proper s X proper X active plus X1 X2 active X2 active rcons X1 X2 rcons X1 active X2 active times s X Y plus Y times X Y active 2ndspos X1 X2 active X2 active pi X from 0 active rcons X1 X2 rcons active X1 X2 active 2ndspos X1 X2 2ndspos X1 active X2 plus ok X1 ok X2 plus X1 X2 active pi X 2ndspos X from 0 proper plus X1 X2 proper X2 proper plus X1 X2 plus proper X1 proper X2 proper 2ndspos X1 X2 proper X2 active plus s X Y plus X Y active times s X Y times X Y proper cons2 X1 X2 proper X1 from mark X from X active square X square active X active cons2 X1 X2 cons2 X1 active X2 proper times X1 X2 proper X1 active from X from s X proper times X1 X2 times proper X1 proper X2 proper pi X proper X active from X s X proper posrecip X posrecip proper X active 2ndsneg X1 X2 2ndsneg active X1 X2 active posrecip X posrecip active X plus X1 mark X2 plus X1 X2 active times X1 X2 times X1 active X2 times ok X1 ok X2 times X1 X2 active s X s active X active rcons X1 X2 active X2 cons2 ok X1 ok X2 cons2 X1 X2 proper 2ndspos X1 X2 proper X1 active negrecip X active X top mark X proper X proper negrecip X proper X rcons mark X1 X2 rcons X1 X2 times mark X1 X2 times X1 X2 proper plus X1 X2 proper X1 proper pi X pi proper X proper times X1 X2 proper X2 active 2ndspos s N cons X Z cons2 X Z s mark X s X rcons X1 mark X2 rcons X1 X2 active 2ndsneg s N cons2 X cons Y Z 2ndspos N Z proper 2ndsneg X1 X2 proper X2 proper square X proper X active 2ndspos s N cons2 X cons Y Z rcons posrecip Y 2ndsneg N Z from ok X from X cons ok X1 ok X2 cons X1 X2 active rcons X1 X2 active X1 active 2ndsneg s N cons2 X cons Y Z negrecip Y active pi X active X proper negrecip X negrecip proper X proper cons X1 X2 proper X2 pi mark X pi X active s X active X proper 2ndspos X1 X2 2ndspos proper X1 proper X2 active plus X1 X2 plus X1 active X2 active from X cons X from s X rcons ok X1 ok X2 rcons X1 X2 active negrecip X negrecip active X proper posrecip X proper X proper cons X1 X2 proper X1 proper cons2 X1 X2 cons2 proper X1 proper X2 active square X active X active 2ndsneg s N cons X Z 2ndsneg s N cons2 X Z active 2ndspos s N cons X Z 2ndspos s N cons2 X Z proper rcons X1 X2 proper X2 active plus X1 X2 active X1 2ndsneg mark X1 X2 2ndsneg X1 X2 active 2ndsneg X1 X2 active X1 2ndspos ok X1 ok X2 2ndspos X1 X2 active cons X1 X2 cons active X1 X2 active 2ndspos s N cons2 X cons Y Z posrecip Y active cons X1 X2 active X1 active 2ndsneg X1 X2 2ndsneg X1 active X2 2ndspos mark X1 X2 2ndspos X1 X2 active plus s X Y s plus X Y active 2ndspos s N cons2 X cons Y Z 2ndsneg N Z s ok X s X plus mark X1 X2 plus X1 X2 active 2ndsneg X1 X2 active X2 proper from X proper X proper 2ndsneg X1 X2 proper X1 proper s X s proper X active 2ndspos X1 X2 2ndspos active X1 X2 active plus X1 X2 plus active X1 X2 proper from X from proper X active times X1 X2 active X2 active posrecip X active X 2ndsneg ok X1 ok X2 2ndsneg X1 X2 posrecip ok X posrecip X proper rcons X1 X2 proper X1 square mark X square X active from X active X active 2ndsneg s N cons X Z cons2 X Z active pi X pi active X active 2ndspos X1 X2 active X1 top ok X active X active 2ndsneg s N cons2 X cons Y Z rcons negrecip Y 2ndspos N Z active square X times X X proper 2ndsneg X1 X2 2ndsneg proper X1 proper X2 pi ok X pi X active times X1 X2 active X1 posrecip mark X posrecip X 2ndsneg X1 mark X2 2ndsneg X1 X2 active cons2 X1 X2 active X2 proper cons2 X1 X2 proper X2 2ndspos X1 mark X2 2ndspos X1 X2 top ok X top active X times X1 mark X2 times X1 X2 negrecip ok X negrecip X cons2 X1 mark X2 cons2 X1 X2 cons mark X1 X2 cons X1 X2 active from X from active X proper square X square proper X top mark X top proper X proper rcons X1 X2 rcons proper X1 proper X2 true top mark X top proper X top ok X top active X true Failed! NaTT certifiable-1.6