MathDB

7

Part of 1966 Miklós Schweitzer

Problems(1)

Miklos Schweitzer 1966_7

Source:

9/29/2008
Does there exist a function f(x,y) f(x,y) of two real variables that takes natural numbers as its values and for which f(x,y)\equal{}f(y,z) implies x\equal{}y\equal{}z? A. Hajnal
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