author | nipkow |
Fri, 01 Dec 2000 19:53:29 +0100 | |
changeset 10574 | 8f98f0301d67 |
parent 9436 | 62bb04ab4b01 |
child 10648 | a8c647cfa31f |
permissions | -rw-r--r-- |
9436
62bb04ab4b01
rearranged setup of arithmetic procedures, avoiding global reference values;
wenzelm
parents:
diff
changeset
|
1 |
(*useful??*) |
62bb04ab4b01
rearranged setup of arithmetic procedures, avoiding global reference values;
wenzelm
parents:
diff
changeset
|
2 |
Goal "(z = z + w) = (w = (#0::real))"; |
62bb04ab4b01
rearranged setup of arithmetic procedures, avoiding global reference values;
wenzelm
parents:
diff
changeset
|
3 |
by Auto_tac; |
62bb04ab4b01
rearranged setup of arithmetic procedures, avoiding global reference values;
wenzelm
parents:
diff
changeset
|
4 |
qed "real_add_left_cancel0"; |
62bb04ab4b01
rearranged setup of arithmetic procedures, avoiding global reference values;
wenzelm
parents:
diff
changeset
|
5 |
Addsimps [real_add_left_cancel0]; |