Substitution Instance in Logic
A substitution instance is the result of replacing variables in a well-formed…
Subcontraries in Traditional Logic
Subcontraries are two particular statements in traditional logic that cannot both be…
Singular Proposition
A singular proposition asserts something about a specific, unique individual or object,…
Explanandum: The Core of Explanation
The explanandum is the statement or phenomenon requiring explanation. It's the 'what'…
Exclusion Negation in Three-Valued Logic
Exclusion negation in three-valued logic strictly denies the truth of a proposition.…