doc-src/Tutorial/ToyList/lemma3
author nipkow
Mon, 22 Nov 1999 12:10:27 +0100
changeset 8024 199721f2eb2d
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Added linord_less_split

Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
by(induct_tac "xs" 1);
by(Auto_tac);