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2.1.2.43 Exercise. Prove that x. floor(log(2,x) E PR(primitive recursive). Remove the undefinedness at x = 0...

2.1.2.43 Exercise. Prove that x. floor(log(2,x) E PR(primitive recursive). Remove the undefinedness at x = 0 in some convenient manner. For example, arrange that log,0) = 0

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