propositional logic a logical representation in terms of propositional variables, each of which is true or false and has no arguments.
protocol a transcript of what a human subject says when asked to ``think aloud'' while solving a problem.
Propositional logic and Boolean logic
Boolean functions Â- Propositional calculus Â- Propositional formula Â- Logical connectives Â- Quantifiers Â- Truth tables
Predicate ...
Propositional logic or sentential logic is the logic of propositions, sentences, or clauses. ... A propositional calculus is a formal, deduction system, or proof theory for reasoning with propositional formulas as symbolic logic. ...
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One outgrowth of such attempts is propositional logic, which deals with a set of binary statements (propositions) connected by Boolean operators.
4 Propositional Logic: A Very Simple Logic . . . . . . . . . . . . . . . . . 243
7.5 Propositional Theorem Proving . . . . . . . . . . . . . . . . . . . . . . . 249
7.6 Effective Propositional Model Checking . . . . . . . . . . . . . . . . . . 259
7.
Propositional logic, symbols represent whole propositions (facts);
Ontological commitments have to do with the nature of reality ...
Propositional Logic Terms and Symbols. Here's where you can find out what the sideways "U" and other symbols mean!
A Bibliography of Non-Standard Logics.
The characteristic method of this study is the development of formal logic to symbolize and evaluate arguments; the characteristic topic is propositional logic, the logic of simple indicative statements.
Johnston's diagrams are specifically applied to truth values of propositional logic, whereas Euler's illustrate specific sets of "objects" and Venn's concept is more generally applied to possible relationships.
Such a system uses the basics of propositional logic to manipulate data which in turn is stored in the system through symbols or entities related one to to each other.
One of the most useful relationships which is used to manipulate expressions in Propositional Logic is the Modus Ponen. The modus ponen expression states that:
If you know X to be TRUE and X implies Y, then Y is also TRUE.
 See also: Artificial intelligence, Knowledge, Agent, AI, Knowledge representation
  
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