different between supertrue vs superfalse

English

super- +? true

supertrue (not comparable)

(logic) In supervaluationism, necessarily true regardless of the values of variables.
"I am happy or I am not happy" is supertrue, because I must be one or the other.

super- +? false

superfalse (not comparable)

(logic) In supervaluationism, necessarily false regardless of the values of variables.
"I am asleep and I am not asleep" is superfalse, because I can never be both.

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