Consider the short-lived neutral isotope represented by 
X.Which of the following statements about this isotope are correct? (There may be more than one correct choice.)
Definitions:
Main Connective
The primary logical operator in a compound proposition that defines the proposition's overall truth value.
Main Connective
The principal operator in a logical proposition that determines the proposition's overall truth value.
Main Connective
The logical operator in a compound statement that determines the statement’s overall truth value, governing the structure of the argument.
Self-Contradiction
A compound statement that is false for every assignment of truth values to its atomic components.
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