| A. Melder, .4ll ordinals arefinitely determinate, notes, 1979. |
....[10] see also [7] THEOREM 3.3. All ordinals are finitely determinate. REM gK 3.4. The proof of this result in a first version of this article contained a mistake. The proof was corrected by the referee of this article. The following proof was done by the referee. At the same time Alan Mekler [16] (see also [17] found a different proof of this result. PROOF. Let n w. We show that each ordinal is finitely n determinate. If not, then there is a minimal ordinal a which is not finitely n determinate. By Corollary 3.1 and Corollary 3.2, cf(a) w and a is closed under addition. It follows ....
A. Melder, .4ll ordinals arefinitely determinate, notes, 1979.
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