⧟
⧟
U+29DF
,
⧟
DOUBLE-ENDED MULTIMAP
←
⧞
[U+29DE]
Miscellaneous Mathematical Symbols-B
⧠
→
[U+29E0]
Translingual
Symbol
⧟
double-ended
multimap
(
logic
)
α ⧟ β
means
α ⊸ β
and
β ⊸ α