eflexive closure(R)={,,,,,}
Symmetric closure(R)={,,,,,,,}
i can't help you with your transitive closure !
LetW be a non-empty set and R a binary relation onW. Then R+,
the transitive closure of R, is the smallest transitive relation on W that contains R.
That is,
R+ =&{R`|R` is a transitive binary relation on W & (R included by R`)}: