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Example

3 := 2'; 4 := 3'; 5 := 4'

3 < 5 : <=>

   3^- < 5^- <=> 2 < 4 <=>

   2^- < 4^- <=> 1 < 3 <=>

   1^- < 3^- <=> 0 < 2 <=>

   T

Recursive unfolding of definitions.

Author: Wolfgang Schreiner
Last Modification: November 16, 1999