doc-src/TutorialI/Misc/fakenat.thy
author haftmann
Thu, 23 Sep 2010 13:23:22 +0200
changeset 39661 6381d18507ef
parent 16417 9bc16273c2d4
permissions -rw-r--r--
reverted cs 07549694e2f1 -- use re-printing with current print mode instead after code assembly, avoid Latex.output_typewriter

(*<*)
theory fakenat imports Main begin;
(*>*)

text{*\noindent
The type \tydx{nat} of natural
numbers is predefined to have the constructors \cdx{0} and~\cdx{Suc}.  It  behaves as if it were declared like this:
*}

datatype nat = 0 | Suc nat
(*<*)
end
(*>*)