The mzlib/for library re-exports from scheme/base:
for/fold for*/foldfor for*for/list for*/listfor/lists for*/listsfor/and for*/andfor/or for*/orfor/first for*/firstfor/last for*/last for/fold/derived for*/fold/derived in-rangein-naturalsin-listin-vectorin-stringin-bytesin-input-port-bytesin-input-port-charsin-hash-tablein-hash-table-keysin-hash-table-valuesin-hash-table-pairs in-parallelstop-beforestop-afterin-indexed sequence?sequence-generate define-sequence-syntaxmake-do-sequence:do-in