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TableauNode

oxilean_std::modal_logic::types

Struct TableauNode 

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pub struct TableauNode {
    pub world: usize,
    pub positive: Vec<ModalFormula>,
    pub negative: Vec<ModalFormula>,
    pub closed: bool,
}
Expand description

A node in a tableau for modal logic K.

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§world: usize

World label.

§positive: Vec<ModalFormula>

Set of formulas true at this world.

§negative: Vec<ModalFormula>

Set of formulas false at this world.

§closed: bool

Whether this node is closed (contradiction found).

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impl TableauNode

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pub fn new(world: usize) -> Self

Create a new open tableau node.

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pub fn add_positive(&mut self, phi: ModalFormula)

Add a formula to the positive (true) set.

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pub fn add_negative(&mut self, phi: ModalFormula)

Add a formula to the negative (false) set.

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pub fn detect_closure(&mut self)

Detect closure: a formula appears both positive and negative.

Trait Implementations§

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impl Clone for TableauNode

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fn clone(&self) -> TableauNode

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TableauNode

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.