Explore logical form, the abstract structure of statements and arguments. It reveals underlying logical relationships, independent of specific content, crucial…
Logical equivalence describes the relationship between statements that hold true under precisely the same conditions. This allows for their seamless…
Logical connectives are symbols or words linking propositions to form complex statements. They define relationships like 'and', 'or', 'not', and…
An intermediate logic derived from propositional logic by incorporating all instances of the weak excluded middle axiom. It is also…
The logic of conditionals explores the structure and validity of 'if-then' statements. It's fundamental to reasoning, argumentation, and formal systems,…
A literal is a fundamental building block in propositional logic, representing either a basic proposition or its direct negation. It…
Joint denial, also known as NOR, is a logical connective. It is true only when both propositions it connects are…
Independent propositions are those that have no logical relationship of contradiction, implication, or equivalence. Their truth values do not affect…
Immediate inference is a direct reasoning process where a conclusion is drawn from a single premise. It bypasses intermediate steps,…
Iff, short for 'if and only if,' is a crucial logical connective indicating mutual implication. It establishes a biconditional relationship…