diff options
| author | Emilio Jesus Gallego Arias | 2018-05-17 18:28:42 +0200 |
|---|---|---|
| committer | Emilio Jesus Gallego Arias | 2018-05-17 18:28:42 +0200 |
| commit | 5281317cb558f2b9aa6f854b9c7aeb617beba8e6 (patch) | |
| tree | 49b5ee04830560ff74a3a27c7add6000e28c0980 /doc | |
| parent | b0cf6c4042ed8e91c6f7081a6f0c4b83ec9407c2 (diff) | |
| parent | c9b4073104385f6079f260c5183bb3a6a989b7d9 (diff) | |
Merge PR #7451: Introduce an option to allow nested lemma, and turn it off by default.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/sphinx/language/gallina-specification-language.rst | 3 | ||||
| -rw-r--r-- | doc/sphinx/proof-engine/proof-handling.rst | 13 |
2 files changed, 15 insertions, 1 deletions
diff --git a/doc/sphinx/language/gallina-specification-language.rst b/doc/sphinx/language/gallina-specification-language.rst index 4dcd7deb13..d170431058 100644 --- a/doc/sphinx/language/gallina-specification-language.rst +++ b/doc/sphinx/language/gallina-specification-language.rst @@ -1339,7 +1339,8 @@ using the keyword :cmd:`Qed`. .. note:: - #. Several statements can be simultaneously asserted. + #. Several statements can be simultaneously asserted provided option + :opt:`Nested Proofs Allowed` was turned on. #. Not only other assertions but any vernacular command can be given while in the process of proving a given assertion. In this case, the diff --git a/doc/sphinx/proof-engine/proof-handling.rst b/doc/sphinx/proof-engine/proof-handling.rst index 6d0b277281..eba0db3ff5 100644 --- a/doc/sphinx/proof-engine/proof-handling.rst +++ b/doc/sphinx/proof-engine/proof-handling.rst @@ -113,6 +113,8 @@ list of assertion commands is given in :ref:`Assertions`. The command Aborts the editing of the proof named :token:`ident` (in case you have nested proofs). + .. seealso:: :opt:`Nested Proofs Allowed` + .. cmdv:: Abort All Aborts all current goals. @@ -561,6 +563,17 @@ Controlling the effect of proof editing commands has to be used to move the assumptions to the local context. +.. opt:: Nested Proofs Allowed + + When turned on (it is off by default), this option enables support for nested + proofs: a new assertion command can be inserted before the current proof is + finished, in which case Coq will temporarily switch to the proof of this + *nested lemma*. When the proof of the nested lemma is finished (with :cmd:`Qed` + or :cmd:`Defined`), its statement will be made available (as if it had been + proved before starting the previous proof) and Coq will switch back to the + proof of the previous assertion. + + Controlling memory usage ------------------------ |