diff options
Diffstat (limited to 'doc/sphinx/language/core')
| -rw-r--r-- | doc/sphinx/language/core/definitions.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/sphinx/language/core/definitions.rst b/doc/sphinx/language/core/definitions.rst index 57771c9036..ee6679a29a 100644 --- a/doc/sphinx/language/core/definitions.rst +++ b/doc/sphinx/language/core/definitions.rst @@ -173,7 +173,8 @@ Chapter :ref:`Tactics`. The basic assertion command is: The name you provided is already defined. You have then to choose another name. - .. exn:: Nested proofs are not allowed unless you turn the Nested Proofs Allowed flag on. + .. exn:: Nested proofs are discouraged and not allowed by default. This error probably means that you forgot to close the last "Proof." with "Qed." or "Defined.". \ + If you really intended to use nested proofs, you can do so by turning the "Nested Proofs Allowed" flag on. You are asserting a new statement while already being in proof editing mode. This feature, called nested proofs, is disabled by default. |