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Signature symbols in this unit

Symbol	Specification	Kind	Type
# .	linheap	f	Heap → Nat
# .	reflist	f	Reflist → Nat
. '	reflist	f	Ref → Reflist
. + .	nat-basic	f	Nat × Nat → Nat
. + .	reflist	f	Ref × Reflist → Reflist
. + .	reflist	f	Reflist × Reflist → Reflist
. + .	reflist	f	Reflist × Ref → Reflist
. ++ .	reflist	f	Reflist × Ref → Reflist
. +1	nat-basic	f	Nat → Nat
. +2 .	reflist	f	Ref × Ref → Reflist
. - .	nat	pf	Nat × Nat → Nat with λ n, m. n ≥ m
. -- .	linheap	f	Heap × Ref → Heap
. -1	nat-basic	pf	Nat → Nat with λ n. n ≠ 0
. -1l .	reflist	f	Reflist × Ref → Reflist
. -l .	reflist	f	Reflist × Ref → Reflist
. -p .	reflist	f	Reflist × Nat → Reflist
. .butlast	reflist	pf	Reflist → Reflist with λ x. x ≠ []
. .last	reflist	pf	Reflist → Ref with λ x. x ≠ []
. .nxt	lincell	f	Cell → Ref
. < .	nat-basic	p	Nat × Nat
. < .	reflist	p	Reflist × Reflist
. > .	nat	p	Nat × Nat
. [ . ]	linheap	f	Heap × Ref × Cell → Heap
. [ . ]	linheap	pf	Heap × Ref → Cell with λ st, a. a ∈ st
. [ . ]	reflist	pf	Reflist × Nat → Ref with λ x, n. n < # x
. [ . ]	reflist	pf	Reflist × Nat × Ref → Reflist with λ x, n, a. n < # x
. \ .	reflist	f	Reflist × Reflist → Reflist
. ∈ .	linheap	p	Ref × Heap
. ∈ .	reflist	p	Ref × Reflist
. ∪ .	reflist	f	Reflist × Reflist → Reflist
. ≤ .	nat	p	Nat × Nat
. ≥ .	nat	p	Nat × Nat
. ⊆ .	linheap	p	Heap × Heap
. ⊆ .	reflist	p	Reflist × Reflist
. ⊑ .	reflist	p	Reflist × Reflist
. ⊒ .	reflist	p	Reflist × Reflist
[]	reflist	c	Reflist
∅	linheap	c	Heap
Cell	lincell	s
Heap	linheap	s
Nat	nat-basic	s
Ref	Ref	s
Reflist	reflist	s
butlastn	reflist	pf	Nat × Reflist → Reflist with λ n, x. n ≤ # x
ce	path-reachable	v	Cell
disj	reflist	p	Reflist × Reflist
dups	reflist	p	Reflist
fillfirst	reflist	f	Nat × Ref × Reflist → Reflist
filter	reflist	f	Reflist × Reflist → Reflist
firstn	reflist	pf	Nat × Reflist → Reflist with λ n, x. n ≤ # x
frome	reflist	f	Reflist × Ref → Reflist
h	path-reachable	v	Heap
hd .	reflist	pf	Reflist → Ref with λ x. x ≠ []
lastn	reflist	pf	Nat × Reflist → Reflist with λ n, x. n ≤ # x
m	path-reachable	v	Nat
mklist	reflist	f	Ref × Nat → Reflist
n	path-reachable	v	Nat
null	Ref	c	Ref
path	path-reachable	p	Reflist × Heap
pos	reflist	f	Ref × Reflist → Nat
r	path-reachable	v	Ref
reachable	path-reachable	p	Ref × Ref × Heap
reachable*	path-reachable	p	Heap × Ref × Ref
reachable-1	path-reachable	p	Heap × Ref × Ref
reachable-n	path-reachable	p	Heap × Nat × Ref × Ref
restn	reflist	pf	Nat × Reflist → Reflist with λ n, x. n ≤ # x
rev	reflist	f	Reflist → Reflist
rmdup	reflist	f	Reflist → Reflist
sublist	reflist	pf	Nat × Nat × Reflist → Reflist with λ n, m, x. n + m ≤ # x
tl .	reflist	pf	Reflist → Reflist with λ x. x ≠ []
x	path-reachable	v	Reflist