wrote relenv_push and proved interpV implies AtomVal
fixed cofinite quantification problem I think
working on some more relenv lemmas
started alternate implementation of LibWfenv
final update before I go away for a while; target logrel is a mess but at least everything is in a consistent state. files in makefile should run
Attempt to define multi-language typing & reduction rules
subformula property for backtranslation defined
missing target identity function def for multilanguage
added a comment pointing out the problem with some of the multilang defs
Merge branch 'master' into combined