Extension of Toyoda's theorem on entropi
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Vladimir Volenec
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Article
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1981
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John Wiley and Sons
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English
β 281 KB
## Extension of Toyoda's theorem on entropic groupoids By VLADIMRC VOLENEC of Zagreb (Eingegangen am 8. 10. 1980) A groupoid (a, .) is said to be entropic iff for every a, b, c, d E G the equality (1) ab cd = acbd holds true. A well-known TOYODA'S theorem ([S], [a], [21 and [l], 1). 33) asserts th