Mercurial Mercurial > repos > isabelle / annotate
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc-src/Tutorial/Misc/NatSum.thy
author nipkow
Thu, 12 Nov 1998 16:45:40 +0100
changeset 5851 15ce4c1c8313
parent 5377 efb799c5ed3c
permissions -rw-r--r--
New section on advanced datatypes.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     1
 
NatSum = Main +
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     2
 
consts sum :: nat => nat
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     3
 
primrec
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     4
 
"sum 0 = 0"
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     5
 
"sum (Suc n) = Suc n + sum n"
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     6
 
end
isabelle