Zulip Chat Archive
Stream: new members
Topic: destruct evidence
Simon (Dec 17 2022 at 05:27):
If I have a value of an inductive type in the context, which tactic do I use to extract the information provided when constructing the value? I am looking for something like inversion in Coq.
Matt Diamond (Dec 17 2022 at 06:19):
maybe tactic#injection?
Reid Barton (Dec 17 2022 at 07:07):
cases, induction, induction'
Pedro Sánchez Terraf (Dec 17 2022 at 12:46):
From recent experience: You need to import tactic.induction for induction'.
Last updated: May 02 2025 at 03:31 UTC