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authorJim Fehrle2021-01-08 12:06:24 -0800
committerJim Fehrle2021-01-22 12:15:59 -0800
commite16bbf716b97128272556134b88da2e80c3d115d (patch)
tree2045e610ae755aecf72002cb3be2787ce2c53d09 /doc/sphinx/proofs
parent66e24a2365b235bd35cbba71adce30dccea60b55 (diff)
Improve doc of occurrences and rewrite.
Diffstat (limited to 'doc/sphinx/proofs')
-rw-r--r--doc/sphinx/proofs/writing-proofs/rewriting.rst5
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/sphinx/proofs/writing-proofs/rewriting.rst b/doc/sphinx/proofs/writing-proofs/rewriting.rst
index 07b7928847..874c3a8f4d 100644
--- a/doc/sphinx/proofs/writing-proofs/rewriting.rst
+++ b/doc/sphinx/proofs/writing-proofs/rewriting.rst
@@ -91,7 +91,10 @@ Rewriting with Leibniz and setoid equality
in the conclusion is replaced.
If :n:`at @occs_nums` is specified, rewriting is always done with
- :ref:`setoid rewriting <generalizedrewriting>`, even for Leibniz’s equality.
+ :ref:`setoid rewriting <generalizedrewriting>`, even for Leibniz’s equality,
+ which means that you must `Require Setoid` to use that form.
+ However, note that :tacn:`rewrite` (even when using setoid rewriting) and
+ :tacn:`setoid_rewrite` don't behave identically (as already mentioned above).
:n:`by @ltac_expr3`
If specified, is used to resolve all side conditions generated by the tactic.