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| -rw-r--r-- | tactics/contradiction.ml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tactics/contradiction.ml b/tactics/contradiction.ml index dd1c68af9a..d504773160 100644 --- a/tactics/contradiction.ml +++ b/tactics/contradiction.ml @@ -22,6 +22,10 @@ open Rawterm (* Absurd *) let absurd c gls = + let env = pf_env gls and sigma = project gls in + let _,j = Coercion.Default.inh_coerce_to_sort dummy_loc env + (Evd.create_evar_defs sigma) (Retyping.get_judgment_of env sigma c) in + let c = j.Environ.utj_val in (tclTHENS (tclTHEN (elim_type (build_coq_False ())) (cut c)) ([(tclTHENS |