Sergey Bozhko authored 3 years ago and Björn Brandenburg committed 3 years ago

Note that many files have changed; however, this is due to the fact that some of the lemmas in nat.v have been renamed or removed.

Vedant Chavda authored 4 years ago and Björn Brandenburg committed 4 years ago

change it to perm_big

Move everything into the new namespace starting with 'prosa' rather
than the bland 'rt'.