Two envelopes problem: Difference between revisions

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== Other simple resolutions ==
 
A widely- discussed way to resolve the paradox, both in popular literature and part of the academic literature, especially in philosophy, is to assume that the 'A' in step 7 is intended to be the [[expected value]] in envelope A and that we intended to write down a formula for the expected value in envelope B.
 
Step 7 states that the expected value in B = 1/2(2A + A/2).