circled minus
U+2296
circled times
U+2297
circled division slash
U+2298
circled dot operator
U+2299
circled ring operator
U+229A
circled asterisk operator
U+229B
circled equals
U+229C
circled dash
U+229D
squared plus
U+229E
squared minus
U+229F
squared times
U+22A0
squared dot operator
U+22A1
right tack
U+22A2
left tack
U+22A3
down tack
U+22A4
up tack
U+22A5
assertion
U+22A6
models
U+22A7
true
U+22A8
forces
U+22A9
triple vertical bar right turnstile
U+22AA
double vertical bar double right turnstile
U+22AB
does not prove
U+22AC
not true
U+22AD
does not force
U+22AE
negated double vertical bar double right turnstile
U+22AF
precedes under relation
U+22B0
succeeds under relation
U+22B1
normal subgroup of
U+22B2
contains as normal subgroup
U+22B3