HOME TOP UP PREV NEXT 1 GERMAN MAP Tractatus Logico-Philosophicus 5.532
Therefore instead of Russell's "(x, y) . f(x, y)" : "(x, y) . f(x, y) .v. (x) . f(x, x)".)
And if the proposition "only one x satisfies f( )" reads: "(x) . fx : ~(x, y) . fx . fy".