package logtk

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Some Utils for arith

package logtk

logtk
- Logtk
  - AllocCache
    
    Arr
  - Binder
    
    TPTP
    
    ZF
  - Builtin
    
    Arith
    
    ArithOp
    
    TPTP
    
    Tag
    
    ZF
  - Cnf
  - Comparison
    
    PARTIAL_ORD
  - Compute_prec
  - Congruence
    
    FO
    
    Make
    
    T
    
    TERM
  - Congruence_intf
    
    S
  - DBEnv
  - Defined_pos
    
    Arr
  - Dtree
    
    Default
    
    Make
    
    E
  - FV_tree
    
    Make
    
    C
    
    Feature_fun
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    Make
    
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    CLAUSE
    
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    S
  - Position
    
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    Map
    
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  - Scoped
  - Signal
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    Seq
    
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    ZF
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    FO
    
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    SPECIALIZED
    
    Ty
  - Term
    
    AC
    
    A
    
    AC_SPEC
    
    Arith
    
    Classic
    
    Conv
    
    DB
    
    Form
    
    Map
    
    Pos
    
    Seq
    
    Set
    
    TPTP
    
    Tbl
    
    VarMap
    
    VarSet
    
    VarTbl
    
    ZF
  - Test_prop
  - Type
    
    Conv
    
    Map
    
    Seq
    
    Set
    
    TPTP
    
    Tbl
    
    VarMap
    
    VarSet
    
    VarTbl
    
    ZF
  - TypeInference
    
    Ctx
    
    TyBuiltin
  - TypedSTerm
    
    Form
    
    Seq
    
    Subst
    
    TPTP
    
    Ty
    
    UStack
    
    Var_tbl
    
    ZF
  - Unif
    
    FO
    
    Inner
    
    Ty
  - Unif_constr
    
    FO
  - Unif_intf
    
    S
  - Unif_subst
    
    FO
  - UnionFind
    
    Make
    
    P
    
    PAIR
  - UntypedAST
    
    A
  - Util
    
    Exn
    
    Flag
    
    Int_map
    
    Int_set
    
    Section
  - Var
    
    Set
    
    Subst
logtk.parsers
- Logtk_parsers
  - Ast_dk
  - Ast_tptp
  - CallProver
    
    Eprover
    
    Prover
  - Lex_dk
  - Lex_tptp
  - Lex_zf
  - Parse_dk
  - Parse_tptp
  - Parse_zf
  - Parsing_utils
  - Tip_ast
  - Tip_lexer
  - Tip_parser
  - Trace_tstp
  - Util_dk
  - Util_tip
  - Util_tptp
  - Util_zf
logtk.proofs
- Logtk_proofs
  - LLProof
    
    Dot
    
    Tbl
  - LLProof_check
  - LLProof_conv
  - LLProver
  - LLTerm
    
    Conv
    
    Form
    
    Int_op
    
    LINEXP
    
    Linexp_int
    
    Linexp_rat
    
    Rat_op
    
    Set
logtk.solving
- Logtk_solving
  - Lpo
    
    Constraint
    
    Seq
    
    FO
    
    Solution
    
    TypedSTerm

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Some Utils for arith

type divisor = {

prime : Z.t;
power : int;

}

val is_prime : Z.t -> bool

Is the integer prime?

val prime_decomposition : Z.t -> divisor list

Decompose the number into a product of power-of-primes. Cheap if is_prime n was called before.

raises Invalid_argument
if the number is negative

val primes_leq : Z.t -> Z.t Iter.t

Iter of prime numbers smaller than (or equal to) the given number