diff options
Diffstat (limited to 'doc/sphinx/proof-engine')
| -rw-r--r-- | doc/sphinx/proof-engine/ssreflect-proof-language.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/sphinx/proof-engine/ssreflect-proof-language.rst b/doc/sphinx/proof-engine/ssreflect-proof-language.rst index 0af23354cc..3db771b0ba 100644 --- a/doc/sphinx/proof-engine/ssreflect-proof-language.rst +++ b/doc/sphinx/proof-engine/ssreflect-proof-language.rst @@ -3756,9 +3756,9 @@ involves the following steps: the corresponding intro pattern :n:`@i_pattern__i` in each goal. 4. Then :tacn:`under` checks that the first n subgoals - are (quantified) Leibniz equalities or registered Setoid equalities - between a term and an evar (e.g. ``m - m = ?F2 m`` in the running - example). + are (quantified) Leibniz equalities, double implications or + registered Setoid equalities between a term and an evar + (e.g. ``m - m = ?F2 m`` in the running example). 5. If so :tacn:`under` protects these n goals against an accidental instantiation of the evar. |