
What's the difference between predicate and propositional logic?
Propositional logic (also called sentential logic) is logic that includes sentence letters (A,B,C) and logical connectives, but not quantifiers. The semantics of propositional logic uses truth assignments to the …
Is a propositional function a proposition in propositional logic ...
Jul 7, 2024 · In propositional logic there are no propositional functions because there are no predicates and variables in the syntax. See Mendelson's example: the two mathematical statements "x is prime" …
logic - What is the difference between propositional constants ...
Sep 28, 2023 · Propositional constants represent some particular proposition, while propositional variables range over the set of all atomic propositions. Schemata, however, range over all propositions.
Propositional logic resolution - Mathematics Stack Exchange
Jan 22, 2024 · For details and proof of soundness/completeness, see e.g. Mordechai Ben-Ari, Mathematical Logic for Computer Science (Springer, 3rd ed 2012), Chapter 4 Propositional Logic: …
How to demystify the axioms of propositional logic?
The most misunderstood element of standard propositional logic is the $\to$ symbol. It is often read as "implies," but that has human meaning that one statement follows from the other in some direct way.
discrete mathematics - Propositional Logic : Absorption - Why is it so ...
Why is the Absorption Law of Propositional Logic so ? p $\\lor (p \\land q) \\equiv$ p Would appreciate an intuitive explanation and not one using a Truth Table
Is my translation of unless into propositional logic correct?
May 28, 2016 · Is my translation of unless into propositional logic correct? Ask Question Asked 9 years, 8 months ago Modified 7 years, 9 months ago
Is a propositional variable a proposition? - Mathematics Stack Exchange
Aug 7, 2022 · 1 Firstly, calling a propositional variable a proposition is prone to induce complications, at least, conceptually, if not operationally, for there is a clear difference between stating that (a variable) …
Newest 'propositional-calculus' Questions - Mathematics Stack Exchange
Dec 31, 2025 · Appropriate for questions about truth tables, conjunctive and disjunctive normal forms, negation, and implication of unquantified propositions. Also for general questions about the …
What (if anything) is the difference between propositional constants ...
Jan 21, 2023 · Hint: Think about propositional variables as the special case with arity 0 in the same way you correctly thought of individual constants as a special case of function symbols with arity 0. What …