[()]
[()]
[()]
[()]
[()]
[()]
[(ensure-compiler!)]
[(compile! is-variable)]
[(compile! is-expression)]
[(compile! is-closed)]
[(compile! bc)]
[(listing! metta_compiled_predicate)]
[()]
[()]
[(bc (: CPU (⍃ 2 3)) GroundingSpace-0x1de1228 Z)]
[(bc (: CPU (⍃ 4 3)) GroundingSpace-0x1de1228 Z)]
[(bc (: $prf (less $x $y)) GroundingSpace-0x1de1228 (S (S (S Z))))]
0.02user 0.00system 0:00.03elapsed 97%CPU (0avgtext+0avgdata 24828maxresident)k
0inputs+0outputs (0major+3039minor)pagefaults 0swaps