> See now 376604d56b5 http://isabelle.in.tum.de/reports/Isabelle/rev/376604d56b54
The changeset is misleading since it describes »- 1« as special case of a numeral, which it is not (any longer) – it is just the canonical representation of minus one. Florian -- PGP available: http://home.informatik.tu-muenchen.de/haftmann/pgp/florian_haftmann_at_informatik_tu_muenchen_de
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