_now equ neq gtr lsr gte lse add sub mul div dis ln exp log e10 syn red rnd fvw view grp_view pgm_view _obj ptn |ptn pgm |pgm _grp grp _fact fact |fact pred goal cst mdl icst icmd cmd ent ont dev nod ipgm icpp_pgm perf mk.rdx mk.grp_pair mk.low_sln mk.high_sln mk.low_act mk.high_act mk.low_res mk.sln_chg mk.act_chg mk.new self stdin stdout _inj _eje _mod _set _new_class _del_class _ldc _swp _stop |nb |bl true false |[] |nid |did |fid |st |us forever