}
]
[ { "syntactic equivalence" * } {
- [ [ "for lenvs on referred entries" ] "req" + "( ? ≡[?] ? )" "req_fqup" + "req_fsle" * ]
+ [ [ "for lenvs on referred entries" ] "req" + "( ? ≡[?] ? )" "req_drops" + "req_fqup" + "req_fsle" * ]
}
]
[ { "generic extension of a context-sensitive relation" * } {
}
]
[ { "append" * } {
+ [ [ "for restricted closures" ] "fold" + "( ? + ? )" "fold_append" * ]
[ [ "for lenvs" ] "append" + "( ? + ? )" "append_length" * ]
}
]