Examlex
Which molecule has a Lewis structure that does not obey the octet rule
Contraries
Statements or propositions that cannot both be true at the same time, but can both be false.
Contradictories
Statements that cannot both be true at the same time and under the same circumstances.
Contraries
Statements, concepts, or propositions that cannot both be true at the same time, but can both be false.
Subcontraries
In traditional logic, propositions that cannot both be false but can both be true, specific within the square of opposition.
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