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View of /sml/trunk/benchmarks/programs/boyer/rules.sml

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Revision 193 - (download) (annotate)
Fri Nov 20 17:43:59 1998 UTC (22 years, 10 months ago) by monnier
File size: 19285 byte(s)
Initial revision
(* rules.sml:
 *)

structure Rules =
  struct

    open Terms;

    datatype cterm = CVar of int | CProp of string * cterm list;

    fun cterm_to_term (CVar v) = Var v
      | cterm_to_term (CProp(p, l)) = Prop(get p, map cterm_to_term l)

    fun add t = add_lemma (cterm_to_term t)

    val _ = (
add (CProp
("equal",
 [CProp ("compile",[CVar 5]), 
  CProp
  ("reverse",
   [CProp ("codegen",[CProp ("optimize",[CVar 5]), CProp ("nil",[])])])]));
add (CProp
("equal",
 [CProp ("eqp",[CVar 23, CVar 24]), 
  CProp ("equal",[CProp ("fix",[CVar 23]), CProp ("fix",[CVar 24])])]));
add (CProp
("equal",
 [CProp ("gt",[CVar 23, CVar 24]), CProp ("lt",[CVar 24, CVar 23])]));
add (CProp
("equal",
 [CProp ("le",[CVar 23, CVar 24]), CProp ("ge",[CVar 24, CVar 23])]));
add (CProp
("equal",
 [CProp ("ge",[CVar 23, CVar 24]), CProp ("le",[CVar 24, CVar 23])]));
add (CProp
("equal",
 [CProp ("boolean",[CVar 23]), 
  CProp
  ("or",
   [CProp ("equal",[CVar 23, CProp ("true",[])]), 
    CProp ("equal",[CVar 23, CProp ("false",[])])])]));
add (CProp
("equal",
 [CProp ("iff",[CVar 23, CVar 24]), 
  CProp
  ("and",
   [CProp ("implies",[CVar 23, CVar 24]), 
    CProp ("implies",[CVar 24, CVar 23])])]));
add (CProp
("equal",
 [CProp ("even1",[CVar 23]), 
  CProp
  ("if",
   [CProp ("zerop",[CVar 23]), CProp ("true",[]), 
    CProp ("odd",[CProp ("sub1",[CVar 23])])])]));
add (CProp
("equal",
 [CProp ("countps_",[CVar 11, CVar 15]), 
  CProp ("countps_loop",[CVar 11, CVar 15, CProp ("zero",[])])]));
add (CProp
("equal",
 [CProp ("fact_",[CVar 8]), 
  CProp ("fact_loop",[CVar 8, CProp ("one",[])])]));
add (CProp
("equal",
 [CProp ("reverse_",[CVar 23]), 
  CProp ("reverse_loop",[CVar 23, CProp ("nil",[])])]));
add (CProp
("equal",
 [CProp ("divides",[CVar 23, CVar 24]), 
  CProp ("zerop",[CProp ("remainder",[CVar 24, CVar 23])])]));
add (CProp
("equal",
 [CProp ("assume_true",[CVar 21, CVar 0]), 
  CProp ("cons",[CProp ("cons",[CVar 21, CProp ("true",[])]), CVar 0])]));
add (CProp
("equal",
 [CProp ("assume_false",[CVar 21, CVar 0]), 
  CProp ("cons",[CProp ("cons",[CVar 21, CProp ("false",[])]), CVar 0])]));
add (CProp
("equal",
 [CProp ("tautology_checker",[CVar 23]), 
  CProp ("tautologyp",[CProp ("normalize",[CVar 23]), CProp ("nil",[])])]));
add (CProp
("equal",
 [CProp ("falsify",[CVar 23]), 
  CProp ("falsify1",[CProp ("normalize",[CVar 23]), CProp ("nil",[])])]));
add (CProp
("equal",
 [CProp ("prime",[CVar 23]), 
  CProp
  ("and",
   [CProp ("not",[CProp ("zerop",[CVar 23])]), 
    CProp
    ("not",
     [CProp ("equal",[CVar 23, CProp ("add1",[CProp ("zero",[])])])]), 
    CProp ("prime1",[CVar 23, CProp ("sub1",[CVar 23])])])]));
add (CProp
("equal",
 [CProp ("and",[CVar 15, CVar 16]), 
  CProp
  ("if",
   [CVar 15, 
    CProp ("if",[CVar 16, CProp ("true",[]), CProp ("false",[])]), 
    CProp ("false",[])])]));
add (CProp
("equal",
 [CProp ("or",[CVar 15, CVar 16]), 
  CProp
  ("if",
   [CVar 15, CProp ("true",[]), 
    CProp ("if",[CVar 16, CProp ("true",[]), CProp ("false",[])]), 
    CProp ("false",[])])]));
add (CProp
("equal",
 [CProp ("not",[CVar 15]), 
  CProp ("if",[CVar 15, CProp ("false",[]), CProp ("true",[])])]));
add (CProp
("equal",
 [CProp ("implies",[CVar 15, CVar 16]), 
  CProp
  ("if",
   [CVar 15, 
    CProp ("if",[CVar 16, CProp ("true",[]), CProp ("false",[])]), 
    CProp ("true",[])])]));
add (CProp
("equal",
 [CProp ("fix",[CVar 23]), 
  CProp ("if",[CProp ("numberp",[CVar 23]), CVar 23, CProp ("zero",[])])]));
add (CProp
("equal",
 [CProp ("if",[CProp ("if",[CVar 0, CVar 1, CVar 2]), CVar 3, CVar 4]), 
  CProp
  ("if",
   [CVar 0, CProp ("if",[CVar 1, CVar 3, CVar 4]), 
    CProp ("if",[CVar 2, CVar 3, CVar 4])])]));
add (CProp
("equal",
 [CProp ("zerop",[CVar 23]), 
  CProp
  ("or",
   [CProp ("equal",[CVar 23, CProp ("zero",[])]), 
    CProp ("not",[CProp ("numberp",[CVar 23])])])]));
add (CProp
("equal",
 [CProp ("plus",[CProp ("plus",[CVar 23, CVar 24]), CVar 25]), 
  CProp ("plus",[CVar 23, CProp ("plus",[CVar 24, CVar 25])])]));
add (CProp
("equal",
 [CProp ("equal",[CProp ("plus",[CVar 0, CVar 1]), CProp ("zero",[])]), 
  CProp ("and",[CProp ("zerop",[CVar 0]), CProp ("zerop",[CVar 1])])]));
add (CProp
("equal",[CProp ("difference",[CVar 23, CVar 23]), CProp ("zero",[])]));
add (CProp
("equal",
 [CProp
  ("equal",
   [CProp ("plus",[CVar 0, CVar 1]), CProp ("plus",[CVar 0, CVar 2])]), 
  CProp ("equal",[CProp ("fix",[CVar 1]), CProp ("fix",[CVar 2])])]));
add (CProp
("equal",
 [CProp
  ("equal",[CProp ("zero",[]), CProp ("difference",[CVar 23, CVar 24])]), 
  CProp ("not",[CProp ("gt",[CVar 24, CVar 23])])]));
add (CProp
("equal",
 [CProp ("equal",[CVar 23, CProp ("difference",[CVar 23, CVar 24])]), 
  CProp
  ("and",
   [CProp ("numberp",[CVar 23]), 
    CProp
    ("or",
     [CProp ("equal",[CVar 23, CProp ("zero",[])]), 
      CProp ("zerop",[CVar 24])])])]));
add (CProp
("equal",
 [CProp
  ("meaning",
   [CProp ("plus_tree",[CProp ("append",[CVar 23, CVar 24])]), CVar 0]), 
  CProp
  ("plus",
   [CProp ("meaning",[CProp ("plus_tree",[CVar 23]), CVar 0]), 
    CProp ("meaning",[CProp ("plus_tree",[CVar 24]), CVar 0])])]));
add (CProp
("equal",
 [CProp
  ("meaning",
   [CProp ("plus_tree",[CProp ("plus_fringe",[CVar 23])]), CVar 0]), 
  CProp ("fix",[CProp ("meaning",[CVar 23, CVar 0])])]));
add (CProp
("equal",
 [CProp ("append",[CProp ("append",[CVar 23, CVar 24]), CVar 25]), 
  CProp ("append",[CVar 23, CProp ("append",[CVar 24, CVar 25])])]));
add (CProp
("equal",
 [CProp ("reverse",[CProp ("append",[CVar 0, CVar 1])]), 
  CProp
  ("append",[CProp ("reverse",[CVar 1]), CProp ("reverse",[CVar 0])])]));
add (CProp
("equal",
 [CProp ("times",[CVar 23, CProp ("plus",[CVar 24, CVar 25])]), 
  CProp
  ("plus",
   [CProp ("times",[CVar 23, CVar 24]), 
    CProp ("times",[CVar 23, CVar 25])])]));
add (CProp
("equal",
 [CProp ("times",[CProp ("times",[CVar 23, CVar 24]), CVar 25]), 
  CProp ("times",[CVar 23, CProp ("times",[CVar 24, CVar 25])])]));
add (CProp
("equal",
 [CProp
  ("equal",[CProp ("times",[CVar 23, CVar 24]), CProp ("zero",[])]), 
  CProp ("or",[CProp ("zerop",[CVar 23]), CProp ("zerop",[CVar 24])])]));
add (CProp
("equal",
 [CProp ("exec",[CProp ("append",[CVar 23, CVar 24]), CVar 15, CVar 4]), 
  CProp
  ("exec",[CVar 24, CProp ("exec",[CVar 23, CVar 15, CVar 4]), CVar 4])]));
add (CProp
("equal",
 [CProp ("mc_flatten",[CVar 23, CVar 24]), 
  CProp ("append",[CProp ("flatten",[CVar 23]), CVar 24])]));
add (CProp
("equal",
 [CProp ("member",[CVar 23, CProp ("append",[CVar 0, CVar 1])]), 
  CProp
  ("or",
   [CProp ("member",[CVar 23, CVar 0]), 
    CProp ("member",[CVar 23, CVar 1])])]));
add (CProp
("equal",
 [CProp ("member",[CVar 23, CProp ("reverse",[CVar 24])]), 
  CProp ("member",[CVar 23, CVar 24])]));
add (CProp
("equal",
 [CProp ("length",[CProp ("reverse",[CVar 23])]), 
  CProp ("length",[CVar 23])]));
add (CProp
("equal",
 [CProp ("member",[CVar 0, CProp ("intersect",[CVar 1, CVar 2])]), 
  CProp
  ("and",
   [CProp ("member",[CVar 0, CVar 1]), CProp ("member",[CVar 0, CVar 2])])]));
add (CProp
("equal",[CProp ("nth",[CProp ("zero",[]), CVar 8]), CProp ("zero",[])]));
add (CProp
("equal",
 [CProp ("exp",[CVar 8, CProp ("plus",[CVar 9, CVar 10])]), 
  CProp
  ("times",
   [CProp ("exp",[CVar 8, CVar 9]), CProp ("exp",[CVar 8, CVar 10])])]));
add (CProp
("equal",
 [CProp ("exp",[CVar 8, CProp ("times",[CVar 9, CVar 10])]), 
  CProp ("exp",[CProp ("exp",[CVar 8, CVar 9]), CVar 10])]));
add (CProp
("equal",
 [CProp ("reverse_loop",[CVar 23, CVar 24]), 
  CProp ("append",[CProp ("reverse",[CVar 23]), CVar 24])]));
add (CProp
("equal",
 [CProp ("reverse_loop",[CVar 23, CProp ("nil",[])]), 
  CProp ("reverse",[CVar 23])]));
add (CProp
("equal",
 [CProp ("count_list",[CVar 25, CProp ("sort_lp",[CVar 23, CVar 24])]), 
  CProp
  ("plus",
   [CProp ("count_list",[CVar 25, CVar 23]), 
    CProp ("count_list",[CVar 25, CVar 24])])]));
add (CProp
("equal",
 [CProp
  ("equal",
   [CProp ("append",[CVar 0, CVar 1]), CProp ("append",[CVar 0, CVar 2])]), 
  CProp ("equal",[CVar 1, CVar 2])]));
add (CProp
("equal",
 [CProp
  ("plus",
   [CProp ("remainder",[CVar 23, CVar 24]), 
    CProp ("times",[CVar 24, CProp ("quotient",[CVar 23, CVar 24])])]), 
  CProp ("fix",[CVar 23])]));
add (CProp
("equal",
 [CProp
  ("power_eval",[CProp ("big_plus",[CVar 11, CVar 8, CVar 1]), CVar 1]), 
  CProp ("plus",[CProp ("power_eval",[CVar 11, CVar 1]), CVar 8])]));
add (CProp
("equal",
 [CProp
  ("power_eval",
   [CProp ("big_plus",[CVar 23, CVar 24, CVar 8, CVar 1]), CVar 1]), 
  CProp
  ("plus",
   [CVar 8, 
    CProp
    ("plus",
     [CProp ("power_eval",[CVar 23, CVar 1]), 
      CProp ("power_eval",[CVar 24, CVar 1])])])]));
add (CProp
("equal",
 [CProp ("remainder",[CVar 24, CProp ("one",[])]), CProp ("zero",[])]));
add (CProp
("equal",
 [CProp ("lt",[CProp ("remainder",[CVar 23, CVar 24]), CVar 24]), 
  CProp ("not",[CProp ("zerop",[CVar 24])])]));
add (CProp
("equal",[CProp ("remainder",[CVar 23, CVar 23]), CProp ("zero",[])]));
add (CProp
("equal",
 [CProp ("lt",[CProp ("quotient",[CVar 8, CVar 9]), CVar 8]), 
  CProp
  ("and",
   [CProp ("not",[CProp ("zerop",[CVar 8])]), 
    CProp
    ("or",
     [CProp ("zerop",[CVar 9]), 
      CProp ("not",[CProp ("equal",[CVar 9, CProp ("one",[])])])])])]));
add (CProp
("equal",
 [CProp ("lt",[CProp ("remainder",[CVar 23, CVar 24]), CVar 23]), 
  CProp
  ("and",
   [CProp ("not",[CProp ("zerop",[CVar 24])]), 
    CProp ("not",[CProp ("zerop",[CVar 23])]), 
    CProp ("not",[CProp ("lt",[CVar 23, CVar 24])])])]));
add (CProp
("equal",
 [CProp ("power_eval",[CProp ("power_rep",[CVar 8, CVar 1]), CVar 1]), 
  CProp ("fix",[CVar 8])]));
add (CProp
("equal",
 [CProp
  ("power_eval",
   [CProp
    ("big_plus",
     [CProp ("power_rep",[CVar 8, CVar 1]), 
      CProp ("power_rep",[CVar 9, CVar 1]), CProp ("zero",[]), 
      CVar 1]), 
    CVar 1]), 
  CProp ("plus",[CVar 8, CVar 9])]));
add (CProp
("equal",
 [CProp ("gcd",[CVar 23, CVar 24]), CProp ("gcd",[CVar 24, CVar 23])]));
add (CProp
("equal",
 [CProp ("nth",[CProp ("append",[CVar 0, CVar 1]), CVar 8]), 
  CProp
  ("append",
   [CProp ("nth",[CVar 0, CVar 8]), 
    CProp
    ("nth",
     [CVar 1, CProp ("difference",[CVar 8, CProp ("length",[CVar 0])])])])]));
add (CProp
("equal",
 [CProp ("difference",[CProp ("plus",[CVar 23, CVar 24]), CVar 23]), 
  CProp ("fix",[CVar 24])]));
add (CProp
("equal",
 [CProp ("difference",[CProp ("plus",[CVar 24, CVar 23]), CVar 23]), 
  CProp ("fix",[CVar 24])]));
add (CProp
("equal",
 [CProp
  ("difference",
   [CProp ("plus",[CVar 23, CVar 24]), CProp ("plus",[CVar 23, CVar 25])]), 
  CProp ("difference",[CVar 24, CVar 25])]));
add (CProp
("equal",
 [CProp ("times",[CVar 23, CProp ("difference",[CVar 2, CVar 22])]), 
  CProp
  ("difference",
   [CProp ("times",[CVar 2, CVar 23]), 
    CProp ("times",[CVar 22, CVar 23])])]));
add (CProp
("equal",
 [CProp ("remainder",[CProp ("times",[CVar 23, CVar 25]), CVar 25]), 
  CProp ("zero",[])]));
add (CProp
("equal",
 [CProp
  ("difference",
   [CProp ("plus",[CVar 1, CProp ("plus",[CVar 0, CVar 2])]), CVar 0]), 
  CProp ("plus",[CVar 1, CVar 2])]));
add (CProp
("equal",
 [CProp
  ("difference",
   [CProp ("add1",[CProp ("plus",[CVar 24, CVar 25])]), CVar 25]), 
  CProp ("add1",[CVar 24])]));
add (CProp
("equal",
 [CProp
  ("lt",
   [CProp ("plus",[CVar 23, CVar 24]), CProp ("plus",[CVar 23, CVar 25])]), 
  CProp ("lt",[CVar 24, CVar 25])]));
add (CProp
("equal",
 [CProp
  ("lt",
   [CProp ("times",[CVar 23, CVar 25]), 
    CProp ("times",[CVar 24, CVar 25])]), 
  CProp
  ("and",
   [CProp ("not",[CProp ("zerop",[CVar 25])]), 
    CProp ("lt",[CVar 23, CVar 24])])]));
add (CProp
("equal",
 [CProp ("lt",[CVar 24, CProp ("plus",[CVar 23, CVar 24])]), 
  CProp ("not",[CProp ("zerop",[CVar 23])])]));
add (CProp
("equal",
 [CProp
  ("gcd",
   [CProp ("times",[CVar 23, CVar 25]), 
    CProp ("times",[CVar 24, CVar 25])]), 
  CProp ("times",[CVar 25, CProp ("gcd",[CVar 23, CVar 24])])]));
add (CProp
("equal",
 [CProp ("value",[CProp ("normalize",[CVar 23]), CVar 0]), 
  CProp ("value",[CVar 23, CVar 0])]));
add (CProp
("equal",
 [CProp
  ("equal",
   [CProp ("flatten",[CVar 23]), 
    CProp ("cons",[CVar 24, CProp ("nil",[])])]), 
  CProp
  ("and",
   [CProp ("nlistp",[CVar 23]), CProp ("equal",[CVar 23, CVar 24])])]));
add (CProp
("equal",
 [CProp ("listp",[CProp ("gother",[CVar 23])]), 
  CProp ("listp",[CVar 23])]));
add (CProp
("equal",
 [CProp ("samefringe",[CVar 23, CVar 24]), 
  CProp
  ("equal",[CProp ("flatten",[CVar 23]), CProp ("flatten",[CVar 24])])]));
add (CProp
("equal",
 [CProp
  ("equal",
   [CProp ("greatest_factor",[CVar 23, CVar 24]), CProp ("zero",[])]), 
  CProp
  ("and",
   [CProp
    ("or",
     [CProp ("zerop",[CVar 24]), 
      CProp ("equal",[CVar 24, CProp ("one",[])])]), 
    CProp ("equal",[CVar 23, CProp ("zero",[])])])]));
add (CProp
("equal",
 [CProp
  ("equal",
   [CProp ("greatest_factor",[CVar 23, CVar 24]), CProp ("one",[])]), 
  CProp ("equal",[CVar 23, CProp ("one",[])])]));
add (CProp
("equal",
 [CProp ("numberp",[CProp ("greatest_factor",[CVar 23, CVar 24])]), 
  CProp
  ("not",
   [CProp
    ("and",
     [CProp
      ("or",
       [CProp ("zerop",[CVar 24]), 
        CProp ("equal",[CVar 24, CProp ("one",[])])]), 
      CProp ("not",[CProp ("numberp",[CVar 23])])])])]));
add (CProp
("equal",
 [CProp ("times_list",[CProp ("append",[CVar 23, CVar 24])]), 
  CProp
  ("times",
   [CProp ("times_list",[CVar 23]), CProp ("times_list",[CVar 24])])]));
add (CProp
("equal",
 [CProp ("prime_list",[CProp ("append",[CVar 23, CVar 24])]), 
  CProp
  ("and",
   [CProp ("prime_list",[CVar 23]), CProp ("prime_list",[CVar 24])])]));
add (CProp
("equal",
 [CProp ("equal",[CVar 25, CProp ("times",[CVar 22, CVar 25])]), 
  CProp
  ("and",
   [CProp ("numberp",[CVar 25]), 
    CProp
    ("or",
     [CProp ("equal",[CVar 25, CProp ("zero",[])]), 
      CProp ("equal",[CVar 22, CProp ("one",[])])])])]));
add (CProp
("equal",
 [CProp ("ge",[CVar 23, CVar 24]), 
  CProp ("not",[CProp ("lt",[CVar 23, CVar 24])])]));
add (CProp
("equal",
 [CProp ("equal",[CVar 23, CProp ("times",[CVar 23, CVar 24])]), 
  CProp
  ("or",
   [CProp ("equal",[CVar 23, CProp ("zero",[])]), 
    CProp
    ("and",
     [CProp ("numberp",[CVar 23]), 
      CProp ("equal",[CVar 24, CProp ("one",[])])])])]));
add (CProp
("equal",
 [CProp ("remainder",[CProp ("times",[CVar 24, CVar 23]), CVar 24]), 
  CProp ("zero",[])]));
add (CProp
("equal",
 [CProp ("equal",[CProp ("times",[CVar 0, CVar 1]), CProp ("one",[])]), 
  CProp
  ("and",
   [CProp ("not",[CProp ("equal",[CVar 0, CProp ("zero",[])])]), 
    CProp ("not",[CProp ("equal",[CVar 1, CProp ("zero",[])])]), 
    CProp ("numberp",[CVar 0]), CProp ("numberp",[CVar 1]), 
    CProp ("equal",[CProp ("sub1",[CVar 0]), CProp ("zero",[])]), 
    CProp ("equal",[CProp ("sub1",[CVar 1]), CProp ("zero",[])])])]));
add (CProp
("equal",
 [CProp
  ("lt",
   [CProp ("length",[CProp ("delete",[CVar 23, CVar 11])]), 
    CProp ("length",[CVar 11])]), 
  CProp ("member",[CVar 23, CVar 11])]));
add (CProp
("equal",
 [CProp ("sort2",[CProp ("delete",[CVar 23, CVar 11])]), 
  CProp ("delete",[CVar 23, CProp ("sort2",[CVar 11])])]));
add (CProp ("equal",[CProp ("dsort",[CVar 23]), CProp ("sort2",[CVar 23])]));
add (CProp
("equal",
 [CProp
  ("length",
   [CProp
    ("cons",
     [CVar 0, 
      CProp
      ("cons",
       [CVar 1, 
        CProp
        ("cons",
         [CVar 2, 
          CProp
          ("cons",
           [CVar 3, 
            CProp ("cons",[CVar 4, CProp ("cons",[CVar 5, CVar 6])])])])])])])
  , CProp ("plus",[CProp ("six",[]), CProp ("length",[CVar 6])])]));
add (CProp
("equal",
 [CProp
  ("difference",
   [CProp ("add1",[CProp ("add1",[CVar 23])]), CProp ("two",[])]), 
  CProp ("fix",[CVar 23])]));
add (CProp
("equal",
 [CProp
  ("quotient",
   [CProp ("plus",[CVar 23, CProp ("plus",[CVar 23, CVar 24])]), 
    CProp ("two",[])]), 
  CProp
  ("plus",[CVar 23, CProp ("quotient",[CVar 24, CProp ("two",[])])])]));
add (CProp
("equal",
 [CProp ("sigma",[CProp ("zero",[]), CVar 8]), 
  CProp
  ("quotient",
   [CProp ("times",[CVar 8, CProp ("add1",[CVar 8])]), CProp ("two",[])])]));
add (CProp
("equal",
 [CProp ("plus",[CVar 23, CProp ("add1",[CVar 24])]), 
  CProp
  ("if",
   [CProp ("numberp",[CVar 24]), 
    CProp ("add1",[CProp ("plus",[CVar 23, CVar 24])]), 
    CProp ("add1",[CVar 23])])]));
add (CProp
("equal",
 [CProp
  ("equal",
   [CProp ("difference",[CVar 23, CVar 24]), 
    CProp ("difference",[CVar 25, CVar 24])]), 
  CProp
  ("if",
   [CProp ("lt",[CVar 23, CVar 24]), 
    CProp ("not",[CProp ("lt",[CVar 24, CVar 25])]), 
    CProp
    ("if",
     [CProp ("lt",[CVar 25, CVar 24]), 
      CProp ("not",[CProp ("lt",[CVar 24, CVar 23])]), 
      CProp ("equal",[CProp ("fix",[CVar 23]), CProp ("fix",[CVar 25])])])])])
);
add (CProp
("equal",
 [CProp
  ("meaning",
   [CProp ("plus_tree",[CProp ("delete",[CVar 23, CVar 24])]), CVar 0]), 
  CProp
  ("if",
   [CProp ("member",[CVar 23, CVar 24]), 
    CProp
    ("difference",
     [CProp ("meaning",[CProp ("plus_tree",[CVar 24]), CVar 0]), 
      CProp ("meaning",[CVar 23, CVar 0])]), 
    CProp ("meaning",[CProp ("plus_tree",[CVar 24]), CVar 0])])]));
add (CProp
("equal",
 [CProp ("times",[CVar 23, CProp ("add1",[CVar 24])]), 
  CProp
  ("if",
   [CProp ("numberp",[CVar 24]), 
    CProp
    ("plus",
     [CVar 23, CProp ("times",[CVar 23, CVar 24]), 
      CProp ("fix",[CVar 23])])])]));
add (CProp
("equal",
 [CProp ("nth",[CProp ("nil",[]), CVar 8]), 
  CProp
  ("if",[CProp ("zerop",[CVar 8]), CProp ("nil",[]), CProp ("zero",[])])]));
add (CProp
("equal",
 [CProp ("last",[CProp ("append",[CVar 0, CVar 1])]), 
  CProp
  ("if",
   [CProp ("listp",[CVar 1]), CProp ("last",[CVar 1]), 
    CProp
    ("if",
     [CProp ("listp",[CVar 0]), 
      CProp ("cons",[CProp ("car",[CProp ("last",[CVar 0])]), CVar 1]), 
      CVar 1])])]));
add (CProp
("equal",
 [CProp ("equal",[CProp ("lt",[CVar 23, CVar 24]), CVar 25]), 
  CProp
  ("if",
   [CProp ("lt",[CVar 23, CVar 24]), 
    CProp ("equal",[CProp ("true",[]), CVar 25]), 
    CProp ("equal",[CProp ("false",[]), CVar 25])])]));
add (CProp
("equal",
 [CProp ("assignment",[CVar 23, CProp ("append",[CVar 0, CVar 1])]), 
  CProp
  ("if",
   [CProp ("assignedp",[CVar 23, CVar 0]), 
    CProp ("assignment",[CVar 23, CVar 0]), 
    CProp ("assignment",[CVar 23, CVar 1])])]));
add (CProp
("equal",
 [CProp ("car",[CProp ("gother",[CVar 23])]), 
  CProp
  ("if",
   [CProp ("listp",[CVar 23]), 
    CProp ("car",[CProp ("flatten",[CVar 23])]), CProp ("zero",[])])]));
add (CProp
("equal",
 [CProp ("flatten",[CProp ("cdr",[CProp ("gother",[CVar 23])])]), 
  CProp
  ("if",
   [CProp ("listp",[CVar 23]), 
    CProp ("cdr",[CProp ("flatten",[CVar 23])]), 
    CProp ("cons",[CProp ("zero",[]), CProp ("nil",[])])])]));
add (CProp
("equal",
 [CProp ("quotient",[CProp ("times",[CVar 24, CVar 23]), CVar 24]), 
  CProp
  ("if",
   [CProp ("zerop",[CVar 24]), CProp ("zero",[]), 
    CProp ("fix",[CVar 23])])]));
add (CProp
("equal",
 [CProp ("get",[CVar 9, CProp ("set",[CVar 8, CVar 21, CVar 12])]), 
  CProp
  ("if",
   [CProp ("eqp",[CVar 9, CVar 8]), CVar 21, 
    CProp ("get",[CVar 9, CVar 12])])])))

  end; (* Rules *)


root@smlnj-gforge.cs.uchicago.edu
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