Signature symbols in this unit

Symbol	Specification	Kind	Type
# .	string-less	f	string → nat
. '	string-append	f	char → string
. + .	string-data	f	char × string → string
. + .	string-append	f	string × string → string
. + .	nat-basic2	f	nat × nat → nat
. +1	nat-basic1	f	nat → nat
. - .	nat	f	nat × nat → nat
. -1	nat-basic1	f	nat → nat
. .char1	string-data	f	string → char
. .rstring	string-data	f	string → string
. < .	string-less	p	char × char
. < .	nat-basic1	p	nat × nat
. < .	string-less	p	string × string
. > .	nat	p	nat × nat
. ≤ .	nat	p	nat × nat
. ≥ .	nat	p	nat × nat
char	char	s
char	char	v	char
char0	char	v	char
char1	char	v	char
char2	char	v	char
char3	string-less	v	char
m	nat-basic1	v	nat
n	nat-basic1	v	nat
n0	nat-basic1	v	nat
n1	nat-basic1	v	nat
nat	nat-basic1	s
pos	string-less	f	char × string → nat
sortedchars	string-less	c	string
str	string-data	v	string
str0	string-data	v	string
str1	string-data	v	string
str2	string-data	v	string
str3	string-data	v	string
string	string-data	s
stringvar	string-append	v	string
stringvar0	string-append	v	string