- #1
vvvidenov
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Homework Statement
Find relations that satisfying
just Reflexive
just Symmrtic
just Transitive
(R) & (S), but not (T)
(R) & (T), but not (S)
(S) & (T), but not (R)
Homework Equations
S=Z
(a,b) [tex]\in[/tex]R if <=> a>b (T) but, not (S) & (R).
the ex is given in the class, but nothing else was explained. I am confused. Please help if you can.
The Attempt at a Solution
How about some cartisian product.
(1,1) (1,2) (1,3)
(2,1) (2,2) (2,3)
(3,1) (3,2) (3,3)
for (1,1) we have equiv. rel (R, S & T)