Peirce next considers a pair of compound involutions, stating an equation between them that is analogous to one of the laws of exponents in ordinary arithmetic, namely, the law that states <math>(a^b)^c = a^{bc}.\!</math>
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Peirce next considers a pair of compound involutions, stating an equation between them that is analogous to a law of exponents in ordinary arithmetic, namely, the law that states <math>(a^b)^c = a^{bc}.\!</math>