From 6cefbc4bb0a9ca6163075877f2d0ef30d6ec406a Mon Sep 17 00:00:00 2001 From: Leonardo de Moura Date: Thu, 4 Sep 2025 09:05:00 -0700 Subject: [PATCH] chore: fix typo (#10251) --- src/Init/Grind/Attr.lean | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/Init/Grind/Attr.lean b/src/Init/Grind/Attr.lean index 8ec9ef46bb..0d9d327ecf 100644 --- a/src/Init/Grind/Attr.lean +++ b/src/Init/Grind/Attr.lean @@ -95,7 +95,7 @@ Ordinarily, the grind attribute does not consider the `=` symbol when generating -/ syntax grindEqBwd := patternIgnore(atomic("←" "=") <|> atomic("<-" "=")) /-- -The `→` modifier instructs `grind` to select a multi-pattern from the conclusion of theorem. +The `←` modifier instructs `grind` to select a multi-pattern from the conclusion of theorem. In other words, `grind` will use the theorem for backwards reasoning. This may fail if not all of the arguments to the theorem appear in the conclusion. -/