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Diffstat (limited to 'doc/sphinx')
| -rw-r--r-- | doc/sphinx/proof-engine/tactics.rst | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/doc/sphinx/proof-engine/tactics.rst b/doc/sphinx/proof-engine/tactics.rst index 29c2f8b81..d0a0d568e 100644 --- a/doc/sphinx/proof-engine/tactics.rst +++ b/doc/sphinx/proof-engine/tactics.rst @@ -3949,9 +3949,20 @@ succeeds, and results in an error otherwise. :name: constr_eq This tactic checks whether its arguments are equal modulo alpha - conversion and casts. + conversion, casts and universe constraints. It may unify universes. .. exn:: Not equal. +.. exn:: Not equal (due to universes). + +.. tacn:: constr_eq_strict @term @term + :name: constr_eq_strict + + This tactic checks whether its arguments are equal modulo alpha + conversion, casts and universe constraints. It does not add new + constraints. + +.. exn:: Not equal. +.. exn:: Not equal (due to universes). .. tacn:: unify @term @term :name: unify |