Search results
5 days ago · Learn the basics of propositional logic, a branch of mathematics that studies the logical relationships between propositions. Find out the meaning, truth tables and examples of common logical connectives such as negation, conjunction, disjunction, exclusive or and implication.
- 9 min
1 day ago · A logical puzzle is a problem that can be solved through deductive reasoning. This page gives a summary of the types of logical puzzles one might come across and the problem-solving techniques used to solve them. One of the simplest types of logical puzzles is a syllogism.
5 days ago · Propositional logic, also known as sentential logic, is a branch of logic that deals with propositions and their relationships. It uses logical connectives like AND, OR, NOT, IMPLIES, and IF AND ONLY IF to form compound statements from simpler ones.
2 days ago · Predicate logic, first-order logic or quantified logic is a formal language in which propositions are expressed in terms of predicates, variables and quantifiers. It is different from propositional logic which lacks quantifiers.
3 days ago · Magedah is the author of Rhetoric, Logic, & Argumentation and Techniques of Propaganda and Persuasion. She began her career in the educational publishing industry and has over 15 years of experience as a writer and editor. Her books have been used in high school and university classrooms across the US, including courses at Harvard and Johns ...
4 days ago · A set of sentences is called a (first-order) theory, which takes the sentences in the set as its axioms. A theory is satisfiable if it has a model , i.e. a structure (of the appropriate signature) which satisfies all the sentences in the set . A complete theory is a theory that contains every sentence or its negation.
5 days ago · Propositional logic is a formal language that treats propositions as atomic units. A typical propositional logic word problem is as follows: A, B, C, D are quarreling quadruplets.
