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At the bottom of the picture below you can see, that $R^2 = R \circ R$, you can also see, that $R^3$ = $R \circ R^2$. My question is, would $R^4$ be $R^2\circ R^2$ or $R\circ R^3$

enter image description here

The Phenotype
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1 Answers1

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Composition is associative, so it doesn't matter. $R^4 = R \circ R^3 = R^2 \circ R^2 = R^3 \circ R$

Ross Millikan
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