- In
logic and mathematics, the
logical biconditional, also
known as
material biconditional or
equivalence or
biimplication or bientailment, is the logical...
- In
propositional logic,
biconditional introduction is a
valid rule of inference. It
allows for one to
infer a
biconditional from two
conditional statements...
-
Biconditional elimination is the name of two
valid rules of
inference of
propositional logic. It
allows for one to
infer a
conditional from a biconditional...
-
shortened as "iff") is
paraphrased by the
biconditional, a
logical connective between statements. The
biconditional is true in two cases,
where either both...
- \leftrightarrow } ) from
mathematical logic, also
known as the
material biconditional. The two-input
version implements logical equality,
behaving according...
-
Psychology portal Entailment Equisatisfiability If and only if
Logical biconditional Logical equality ≡ the iff
symbol (U+2261
IDENTICAL TO) ∷ the a is to...
- {\underline {\varphi \lor \psi }}} χ∨ξ{\displaystyle \chi \lor \xi }
Biconditional introduction φ→ψ{\displaystyle \varphi \rightarrow \psi } ψ→φ_{\displaystyle...
-
representing the
truth functions of conjunction, disjunction, implication,
biconditional, and negation. Some
sources include other connectives, as in the table...
-
logical inequality is a
logical operator whose negation is the
logical biconditional. With two inputs, XOR is true if and only if the
inputs differ (one...
-
combined into a
single biconditional formula: ¬ ¬ P ↔ P {\displaystyle \neg \neg P\leftrightarrow P} .
Since biconditionality is an
equivalence relation...
