- #1
cragar
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Homework Statement
Let R be a relation defined in a set A
If for all [itex] x \in A [/itex] we have x R x, we call R reflexive
what does it mean when they write x R x ?
And
if for all x,y,z in A we have (x R y and y R z) --> x R z, we call R transitive .
I am not sure what they mean by transitive