Examlex
How many permutations of the seven letters A, B, C, D, E, F, G are there?
Subject
The person, place, thing, or idea that is being discussed or described in a sentence, or the area of study one focuses on.
Proposition
A statement or assertion that expresses a judgment or opinion.
Equivalent Propositions
Statements that are logically the same, in that they have the same truth value in every model or situation.
Meaning
The significance, definition, or implication of a word, phrase, sentence, or symbol.
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