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Signature symbols in this unit

Symbol	Specification	Kind	Type
# .	map	f	Map('a, 'b) → Nat
# .	list-data	f	List('a) → Nat
. '	list	f	'a → List('a)
. + .	nat-basic	f	Nat × Nat → Nat
. + .	list-data	f	'a × List('a) → List('a)
. + .	list	f	List('a) × List('a) → List('a)
. + .	list	f	List('a) × 'a → List('a)
. ++ .	list-dup	f	List('a) × 'a → List('a)
. +1	nat-basic	f	Nat → Nat
. +2 .	list	f	'a × 'a → List('a)
. - .	nat	pf	Nat × Nat → Nat with λ n, m. n ≥ m
. -- .	map	f	Map('a, 'b) × 'a → Map('a, 'b)
. -1	nat-basic	pf	Nat → Nat with λ n. n ≠ 0
. -1l .	list-del	f	List('a) × 'a → List('a)
. -l .	list-del	f	List('a) × 'a → List('a)
. -p .	list-del	f	List('a) × Nat → List('a)
. .butlast	list-last	pf	List('a) → List('a) with λ x. x ≠ []
. .distinct	list-dup	f	List('a) → List('a)
. .drop ( . )	list-del	pf	List('a) × Nat → List('a) with λ x, n. n ≤ # x
. .dropRight ( . )	list-last	pf	List('a) × Nat → List('a) with λ x, n. n ≤ # x
. .foldLeft ( . )	list	f	List('a) × 'b × ('b × 'a → 'b) → 'b
. .head	list-data	pf	List('a) → 'a with λ x. x ≠ []
. .indexOf ( . )	list-del	f	List('a) × 'a → Nat
. .last	list-last	pf	List('a) → 'a with λ x. x ≠ []
. .map ( . )	list	f	List('a) × ('a → 'b) → List('b)
. .nxt	lincell	f	Cell → Ref
. .sublist ( . )	list-del	pf	List('a) × Nat × Nat → List('a) with λ x, n, m. n + m ≤ # x
. .tail	list-data	pf	List('a) → List('a) with λ x. x ≠ []
. .take ( . )	list-del	pf	List('a) × Nat → List('a) with λ x, n. n ≤ # x
. .takeRight ( . )	list-del	pf	List('a) × Nat → List('a) with λ x, n. n ≤ # x
. < .	nat-basic	p	Nat × Nat
. < .	list-data	p	List('a) × List('a)
. > .	nat	p	Nat × Nat
. [ . := . ]	map	f	Map('a, 'b) × 'a × 'b → Map('a, 'b)
. [ . := . ]	list-getput	pf	List('a) × Nat × 'a → List('a) with λ x, n, a. n < # x
. [ . ]	map	pf	Map('a, 'b) × 'a → 'b with λ st, a. a ∈ st
. [ . ]	list-getput	pf	List('a) × Nat → 'a with λ x, n. n < # x
. \ .	list-set	f	List('a) × List('a) → List('a)
. ∈ .	map	p	'a × Map('a, 'b)
. ∈ .	list	p	'a × List('a)
. ∪ .	list-set	f	List('a) × List('a) → List('a)
. ≤ .	nat	p	Nat × Nat
. ≥ .	nat	p	Nat × Nat
. ⊆ .	map	p	Map('a, 'b) × Map('a, 'b)
. ⊆ .	list-set	p	List('a) × List('a)
. ⊑ .	list-last	p	List('a) × List('a)
. ⊒ .	list-last	p	List('a) × List('a)
. intersect .	list-set	f	List('a) × List('a) → List('a)
[]	list-data	c	List('a)
∅	map	c	Map('a, 'b)
Cell	lincell	s
List	list-data	s
Map	map	s
Nat	nat-basic	s
Ref	Ref	s
ce	path-reachable	v	Cell
disj	list-dup	p	List('a) × List('a)
dups	list-dup	p	List('a)
fillfirst	list-last	f	Nat × 'a × List('a) → List('a)
frome	list-del	f	List('a) × 'a → List('a)
h	path-reachable	v	Map(Ref, Cell)
m	path-reachable	v	Nat
mklist	list-last	f	'a × Nat → List('a)
n	path-reachable	v	Nat
null	Ref	c	Ref
path	path-reachable	p	List(Ref) × Map(Ref, Cell)
r	path-reachable	v	Ref
reachable	path-reachable	p	Ref × Ref × Map(Ref, Cell)
reachable*	path-reachable	p	Map(Ref, Cell) × Ref × Ref
reachable-1	path-reachable	p	Map(Ref, Cell) × Ref × Ref
reachable-n	path-reachable	p	Map(Ref, Cell) × Nat × Ref × Ref
rev	list-last	f	List('a) → List('a)
x	path-reachable	v	List(Ref)
y	path-reachable	v	List(Ref)