Equivalence in Logic and Mathematics
Equivalence signifies that two statements have the same truth value under all…
Double Negation Introduction
The principle of double negation introduction states that for any proposition P,…
Double Negation Elimination
Double negation elimination is a core principle in classical logic. It states…
De Morgan’s Rules
De Morgan's rules provide two fundamental laws for transforming negated logical expressions.…
Converse of a Conditional Statement
A converse is formed by swapping the hypothesis and conclusion of a…
Contrapositive in Logic
The contrapositive of a conditional statement logically equivalent. It involves swapping and…
Contraposition in Logic
Contraposition is a logical principle establishing the equivalence between a conditional statement…