File "./output/qualification.v", line 20, characters 0-7:
Error: Signature components for field test do not match: expected type
"qualification.M2.t = qualification.M2.M.t" but found type
"qualification.M2.t = qualification.M2.t".
coqc exited with code 1
[ Dauer der Verarbeitung: 0.10 Sekunden
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]