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CUET
-- Mathematics - Section B1
Relations and Functions
a
b
c
d
for every $x∈B$
$(x,x)∈R$, (Reflexive)
for $(x,y)∈R$
$x,y$ → same sex
for $(y,x)∈R$
$y,x$ → same sex (Symmetric)
for $(x,y)∈R,(y,z)∈R$
$x,y⇒y,z⇒x,z$ (same sex)
$(x,z)∈R$ (Transitive)