Fri, 17 Nov 2000 18:49:09 +0100 wenzelm tuned;
Fri, 17 Nov 2000 18:48:50 +0100 wenzelm removed quot_cond_function1, quot_function1;
Fri, 17 Nov 2000 18:48:00 +0100 wenzelm UNIV_witness;
Fri, 17 Nov 2000 18:47:33 +0100 wenzelm Ring_and_Field;
Fri, 17 Nov 2000 18:47:15 +0100 wenzelm Library/Ring_and_Field.thy;
Thu, 16 Nov 2000 23:12:58 +0100 bauerg rings and fields;
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