abstract auto case class codata covering data default do dsl else if implicit import impossible in index_first index_next infix infixl infixr instance lambda let module mututal namespace of parameters partial pattern postulate prefix private proof public record rewrite static syntax tactics term then total using variable where with access assert_total default dynamic elim error_handlers error_reverse flag hide include language lib link name provide reflection applyTactic attack compute exact fill focus induction intro intros let refine reflect rewrite solve trivial try