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* Univs: add Strict Universe Declaration option (on by default)Gravatar Matthieu Sozeau2015-10-07
| | | | | | | | | This option disallows "declare at first use" semantics for universe variables (in @{}), forcing the declaration of _all_ universes appearing in a definition when introducing it with syntax Definition/Inductive foo@{i j k} .. The bound universes at the end of a definition/inductive must be exactly those ones, no extras allowed currently. Test-suite files using the old semantics just disable the option.
* Fix declarations of instances to perform restriction of universeGravatar Matthieu Sozeau2015-04-09
instances as definitions and lemmas do (fixes bug# 4121).