From cd17f9bfad72fb8f8da486facd75ff8ceecebd24 Mon Sep 17 00:00:00 2001 From: Jim Fehrle Date: Tue, 19 Jan 2021 11:19:33 -0800 Subject: Remove double induction tactic --- doc/changelog/04-tactics/13762-remove_double_induction.rst | 9 +++++++++ doc/sphinx/proof-engine/tactics.rst | 13 ------------- 2 files changed, 9 insertions(+), 13 deletions(-) create mode 100644 doc/changelog/04-tactics/13762-remove_double_induction.rst (limited to 'doc') diff --git a/doc/changelog/04-tactics/13762-remove_double_induction.rst b/doc/changelog/04-tactics/13762-remove_double_induction.rst new file mode 100644 index 0000000000..4ea54a1ab6 --- /dev/null +++ b/doc/changelog/04-tactics/13762-remove_double_induction.rst @@ -0,0 +1,9 @@ +- **Removed:** + double induction tactic. Replace :n:`double induction @ident @ident` + with :n:`induction @ident; induction @ident` (or + :n:`induction @ident ; destruct @ident` depending on the exact needs). + Replace :n:`double induction @natural__1 @natural__2` with + :n:`induction @natural__1; induction natural__3` where :n:`natural__3` is the result + of :n:`natural__2 - natural__1` + (`#13762 `_, + by Jim Fehrle). diff --git a/doc/sphinx/proof-engine/tactics.rst b/doc/sphinx/proof-engine/tactics.rst index 766f7ab44e..8f1422f843 100644 --- a/doc/sphinx/proof-engine/tactics.rst +++ b/doc/sphinx/proof-engine/tactics.rst @@ -2067,19 +2067,6 @@ analysis on inductive or co-inductive objects (see :ref:`inductive-definitions`) is the name given by :n:`intros until @natural` to the :n:`@natural`-th non-dependent premise of the goal. -.. tacn:: double induction @ident @ident - :name: double induction - - This tactic is deprecated and should be replaced by - :n:`induction @ident; induction @ident` (or - :n:`induction @ident ; destruct @ident` depending on the exact needs). - -.. tacv:: double induction @natural__1 @natural__2 - - This tactic is deprecated and should be replaced by - :n:`induction num1; induction num3` where :n:`num3` is the result - of :n:`num2 - num1` - .. tacn:: dependent induction @ident :name: dependent induction -- cgit v1.2.3