# Propositional

### Some articles on propositional:

Tautology (logic) - Background
... Propositional logic begins with propositional variables, atomic units that represent concrete propositions ... A formula consists of propositional variables connected by logical connectives in a meaningful way, so that the truth of the overall formula can be uniquely deduced from the truth or falsity of each variable ... A valuation is a function that assigns each propositional variable either T (for truth) or F (for falsity) ...
Propositional Formula
... In propositional logic, a propositional formula is a type of syntactic formula which is well formed and has a truth value ... If the values of all variables in a propositional formula are given, it determines a unique truth value ... A propositional formula may also be called a propositional expression, a sentence, or a sentential formula ...
Stable Model Semantics - Stable Models of A Set of Propositional Formulas
... syntactic form, in comparison with arbitrary propositional formulas ... and Paolo Ferraris showed how to extend the definition of a stable model to sets of arbitrary propositional formulas ... to defining stable models for sets of propositional formulas are equivalent to each other ...
Shotgun Argumentation - Formal Fallacies - Propositional Fallacies
... A propositional fallacy is an error in logic that concerns compound propositions ... Types of Propositional fallacies Affirming a disjunct – concluded that one disjunct of a logical disjunction must be false because the other disjunct is true A or B A therefore not B ...
Catuskoti - Catuṣkoṭi Algorithm Mapped in Partial Logical Algebra
... collectively constituting an exhaustive set of positions for any given (or determined) propositional array ... A propositional array is signified in the model by numerals, traditionally though, propositional arrays were designated 'foot' (Sanskrit pāda), a lexical item which holds the semantic field 'line ...