A logical negation operation

Introduced properties

init defaultinit(e: LExpr)

logic :: LNot :: defaultinit

fun e: LExpr

logic :: LNot :: e

The argument

protected fun e=(e: LExpr)

logic :: LNot :: e=

The argument

Redefined properties

redef type SELF: LNot

logic $ LNot :: SELF

Type of this instance, automatically specialized in every class

redef fun cnf(v: nullable Array[LVar]): CNF

logic $ LNot :: cnf

Compute a conjunctive normal form.

redef fun nnf: LExpr

logic $ LNot :: nnf

The negation normal form (NNF).

redef fun nnnf: LExpr

logic $ LNot :: nnnf

The negative negation normal form (NNF).

redef fun size: Int

logic $ LNot :: size

The size of the logical expression.

redef fun to_s: String

logic $ LNot :: to_s

User readable representation of self.

redef fun unary ~: LExpr

logic $ LNot :: unary ~

The negation of self

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?

fun &(e: LExpr): LExpr

logic :: LExpr :: &

Conjunction with e (or).

fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?

type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.

type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class

fun ^(e: LExpr): LExpr

logic :: LExpr :: ^

Exclusive disjunction with e (xor).

protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.

fun class_name: String

core :: Object :: class_name

The class name of the object.

fun cnf(vars: nullable Array[LVar]): CNF

logic :: LExpr :: cnf

Compute a conjunctive normal form.

init defaultinit

core :: Object :: defaultinit

init defaultinit

logic :: LExpr :: defaultinit

init defaultinit(e: LExpr)

logic :: LNot :: defaultinit

fun e: LExpr

logic :: LNot :: e

The argument

protected fun e=(e: LExpr)

logic :: LNot :: e=

The argument

fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.

fun hash: Int

core :: Object :: hash

The hash code of the object.

fun imp(e: LExpr): LExpr

logic :: LExpr :: imp

Implication with e (implies).

init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.

protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".

fun is_f: Bool

logic :: LExpr :: is_f

It the logical expression lfalse?

intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).

fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?

intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.

fun is_t: Bool

logic :: LExpr :: is_t

It the logical expression ltrue?

fun nnf: LExpr

logic :: LExpr :: nnf

The negation normal form (NNF).

fun nnnf: LExpr

logic :: LExpr :: nnnf

The negative negation normal form (NNF).

intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.

fun output

core :: Object :: output

Display self on stdout (debug only).

intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).

fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization

fun size: Int

logic :: LExpr :: size

The size of the logical expression.

intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.

abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.

fun unary ~: LExpr

logic :: LExpr :: unary ~

The negation of self

fun |(e: LExpr): LExpr

logic :: LExpr :: |

Disjunction with e (and).

Ancestors

interface Object

The root of the class hierarchy.

Parents

class LExpr

A logical expression

Class definitions

logic $ LNot

# A logical negation operation
class LNot
	super LExpr

	# The argument
	var e: LExpr

	redef fun ~ do return e
	redef fun to_s do return "~{e}"
	redef fun nnf do return e.nnnf
	redef fun nnnf do return e.nnf
	redef fun cnf(v) do
		if e isa LVar then return super
		return e.nnnf.cnf(v)
	end
	redef fun size do return e.size + 1
end

lib/logic/lexpr.nit:276,1--292,3