[ "stream ( ? ⨮{?} ? )" "stream_eq ( ? ≗{?} ? )" "stream_hdtl ( ⫰{?}? )" "stream_tls ( ⫰*{?}[?]? )" * ]
[ "list ( ◊ ) ( ? ⨮{?} ? ) ( |?| )" "list2 ( ◊ ) ( {?,?} ⨮{?,?} ? ) ( |?| )" * ]
[ "bool ( Ⓕ ) ( Ⓣ )" "arith ( ?^? ) ( ↑? ) ( ↓? ) ( ? ∨ ? ) ( ? ∧ ? )" * ]
- [ "logic ( ⊥ ) ( ⊤ )" "relations ( ? ⊆ ? )" "functions" "star" "ltc" * ]
+ [ "logic ( ⊥ ) ( ⊤ )" "relations ( ? ⊆ ? )" "functions" "exteq ( ? ≐{?,?} ? )" "star" "ltc" * ]
}
]
}