Sam Tobin-Hochstadt d0c8a19ce8 Fix abstraction of implications. ... Fix contract for lookup-typed/lexical. Default cases for printing. Abstract out indexing functions for Nat/Integer split. svn: r17272		2009-12-11 23:00:37 +00:00
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base/lang	checkpoint	2009-11-21 00:11:37 +00:00
lang	checkpoint	2009-11-21 00:11:37 +00:00
base.ss	Fix abstraction of implications.	2009-12-11 23:00:37 +00:00
system.ss	start on typed/scheme	2009-11-19 19:47:51 +00:00