He described Wednesday's approval as "fundamentally the wrong decision" based on "flawed mathematics".

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D. in applied mathematics, the 50-year-old Berezovsky says he spent 25 years doing research on decision-making theory at the Russian Academy of Sciences.

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What exemplified Islam for him, he said, was the decision by one early Muslim ruler to ransom Christian prisoners in exchange for works of Greek philosophy, medicine and mathematics.

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