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.ML
author paulson
Mon, 28 Feb 2000 10:48:39 +0100
changeset 8309 a054d5c98b21
parent 5377 efb799c5ed3c
permissions -rw-r--r--
more bijection theorems
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     1
 
Goal "sum n + sum n = n*(Suc n)";
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     2
 
by(induct_tac "n" 1);
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     3
 
by(Auto_tac);
isabelle