}
]
[ { "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" * } {