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Merged
strub merged 1 commit into from
Jan 12, 2026
+6 −2
Merged

Improve error message in top-assumption rewrite #858

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8 changes: 6 additions & 2 deletions src/ecHiGoal.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -1515,8 +1515,12 @@ let rec process_mintros_1 ?(cf = true) ttenv pis gs =
and intro1_rw (_ : ST.state) (o, s) tc =
let h = EcIdent.create "_" in
let rwt tc =
let pt = PT.pt_of_hyp !!tc (FApi.tc1_hyps tc) h in
process_rewrite1_core ~close:false (s, None, o) pt tc
match LDecl.by_id h (FApi.tc1_hyps tc) with
| LD_hyp _ ->
let pt = PT.pt_of_hyp !!tc (FApi.tc1_hyps tc) h in
process_rewrite1_core ~close:false (s, None, o) pt tc
| _ ->
tc_error !!tc "top assumption is not an hypothesis";
in t_seqs [t_intros_i [h]; rwt; t_clear h] tc

and intro1_unfold (_ : ST.state) (s, o) p tc =
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